GE Industrial Solutions 16V PicoTLynx 4A User Manual

GE

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

RoHS Compliant

Applications

 Distributed power architectures

 Intermediate bus voltage applications

 Telecommunications equipment

 Servers and storage applications

 Networking equipment

 Industrial equipment

Vin+ Vout+

VIN

PGOOD

MODULE

Cin

ON/OFF

Q1

GND

VOUT

SENSE

RTUNE

CTUNE

TRIM

RTrim

Co

Features

 Compliant to RoHS EU Directive 2002/95/EC

 Compatible in a Pb-free or SnPb reflow environment

 Wide Input voltage range (8Vdc-16Vdc)

 Output voltage programmable from 0.59Vdc

to 8.0Vdc via external resistor

 Tunable Loop

TM

to optimize dynamic output

voltage response

 Remote sense

 Power Good signal

 Fixed switching frequency

 Output overcurrent protection (non-latching)

 Overtemperature protection

 Remote On/Off

 Ability to sink and source current

 Cost efficient open frame design

 Small size: 12.2 mm x 12.2 mm x 7.25 mm

(0.48 in x 0.48 in x 0.29 in)

 Wide operating temperature range (-40°C to

85°C)

 UL* Recognized to UL60950-1, CAN/CSA

C22.2 No. 60950-1-03, and EN60950-1(VDE
0805-1) Licensed

 ISO** 9001 and ISO 14001 certified

manufacturing facilities

Data Sheet

†

‡

Description

The 16V PicoTLynxTM 4A power modules are non-isolated dc-dc converters that can deliver up to 4A of output current. These modules
operate over a wide range of input voltage (V
Vdc, programmable via an external resistor. Features include remote On/Off, adjustable output voltage, over current and over
temperature protection. A new feature, the Tunable LoopTM, allows the user to optimize the dynamic response of the converter to
match the load with reduced amount of output capacitance leading to savings on cost and PWB area.

* UL is a registered trademark of Underwriters Laboratories, Inc.

†

CS A is a registered trademark of Canadian Standards Association.

‡

VDE is a trademark of Verband Deutscher Elektrotechniker e.V.

** ISO is a registered trademark of the International Organization of Standards

= 8Vdc-16Vdc) and provide a precisely regulated output voltage from 0.59Vdc to 8.0

IN

GE

Data Sheet

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only,
functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of
the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect the device reliability.

Parameter Device Symbol Min Max Unit

Input Voltage All V

Up to 10 seconds

Operating Ambient Temperature All T

(see Thermal Considerations section)

Storage Temperature All T

IN

A

stg

Electrical Specifications

Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions.

Parameter Device Symbol Min Typ Max Unit

Operating Input Voltage All VIN 8.0

Maximum Input Current All I

(VIN=8V to 16V, IO=I

Input No Load Current
(V

= 16.0Vdc, IO = 0, module enabled)

IN

Input Stand-by Current
(V

= 16.0Vdc, module disabled)

IN

Inrush Transient All I2t 1 A2s

Input Reflected Ripple Current, peak-to-peak
(5Hz to 20MHz, 1μH source impedance; V
I

= I

; See Test Configurations)

O

Omax

)

O, max

= 0.6 Vdc I

V

O,set

V

= 8.0Vdc I

O,set

All I

=0 to 16V,

IN

All 50 mAp-p

IN,max

IN,No load

96.1 mA

IN,No load

1.2 mA

IN,stand-by

6.5 Adc

18 mA

-0.3 18 Vdc

-40 85 °C

-55 125 °C

⎯

16.0 Vdc

Input Ripple Rejection (120Hz) All -46 dB

CAUTION: This power module is not internally fused. An input line fuse must always be used.

This power module can be used in a wide variety of applications, ranging from simple standalone operation to an integrated part of
sophisticated power architecture. To preserve maximum flexibility, internal fusing is not included; however, to achieve maximum safety
and system protection, always use an input line fuse. The safety agencies require a fast-acting fuse with a maximum rating of 6 A (see
Safety Considerations section). Based on the information provided in this data sheet on inrush energy and maximum dc input current, the
same type of fuse with a lower rating can be used. Refer to the fuse manufacturer’s data sheet for further information.

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 2

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p

Data Sheet

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Electrical Specifications (continued)

Parameter Device Symbol Min Typ Max Unit

Output Voltage Set-point (with 0.5% tolerance for external
resistor used to set output voltage)

Output Voltage (Over all operating input voltage, resistive
load, and temperature conditions until end of life)

Adjustment Range (selected by an external resistor)
(Some output voltages may not be possible depending on
the input voltage – see Feature Descriptions Section)

Remote Sense Range All 0.5 Vdc

Output Regulation (for VO ≥ 2.5Vdc)

Line (VIN=V

Load (IO=I

IN, min

O, min

to V

to I

) All

IN, max

) All

O, max

Output Regulation (for VO < 2.5Vdc)

Line (VIN=V

Load (IO=I

Temperature (T

IN, min

O, min

to V

to I

) All

IN, max

) All

O, max

to T

ref=TA, min

) All

A, max

Remote Sense Range All 0.5 V
Output Ripple and Noise on nominal output

(VIN=V
ceramic ca

IN, nom

and IO=I

acitors)

O, min

to I

Co = 0.1μF // 10 μF

O, max

Peak-to-Peak (5Hz to 20MHz bandwidth) All

RMS (5Hz to 20MHz bandwidth) All 36 38 mV

External Capacitance1

Without the Tunable Loop

TM

ESR ≥ 1 mΩ All C

With the Tunable Loop

TM

ESR ≥0.15 mΩ All C

ESR ≥ 10 mΩ All C

Output Current (in either sink or source mode) All I

Output Current Limit Inception (Hiccup Mode)
(current limit does not operate in sink mode)

Output Short-Circuit Current All I

(VO≤250mV) ( Hiccup Mode )

Efficiency V

VIN= 12Vdc, TA=25°C V

IO=I

O, max , VO

= V

V

O,set

V

V

V

V

V

Switching Frequency All f

All V

All V

All V

O, set

O, set

O

-1.5 +1.5 % V

-2.5

+2.5 % V

⎯

0.59 8.0 Vdc

+0.4 % V

⎯

10mV % V

⎯

⎯

⎯

⎯

10 mV

5 mV

0.4 % V

⎯

90 100 mV

O, max

0

⎯

22 μF

O, max

O, max

o

All I

= 0.6Vdc η 74.2 %

O,set

= 1.2Vdc η 83.7 %

O, set

= 1.8Vdc η 87.7 %

O,set

= 2.5Vdc η 90.2 %

O,set

= 3.3Vdc η 91.7 %

O,set

= 5.0Vdc η 93.7 %

O,set

= 6.5Vdc η 94.9 %

O,set

= 8.0Vdc η 96.1 %

O,set

O, lim

O, s/c

sw

0

0

0 4 Adc

200 % I

200 mA

600

⎯

470 μF

⎯

3000 μF

⎯

⎯

pk-pk

o,max

kHz

O, set

O, set

O, set

O, set

O, set

rms

rms

1External capacitors may require using the new Tunable LoopTM feature to ensure that the module is stable as well as getting the best transient

TM

response. See the Tunable Loop

section for details.

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 3

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ormation)

Data Sheet

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

General Specifications

Parameter Min Typ Max Unit

Calculated MTBF (IO=0.8I

Weight

Feature Specifications

Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See Feature
Descriptions for additional information.

Parameter Device Symbol Min Typ Max Unit

On/Off Signal Interface

(VIN=V
Signal referenced to GND)

Device is with suffix “4” – Positive Logic (See Ordering
Information)
Logic High (Module ON)

Input High Current All IIH
Input High Voltage All VIH

Logic Low (Module OFF)

Input Low Current All IIL
Input Low Voltage All VIL

Device Code with no suffix – Negative Logic (See Ordering
Inf
(On/OFF pin is open collector/drain logic input with

external pull-up resistor; signal referenced to GND)
Logic High (Module OFF)
Input High Current All IIH — — 1 mA
Input High Voltage All VIH 3.5 — V
Logic Low (Module ON)
Input low Current All IIL — — 10 μA
Input Low Voltage All VIL -0.2 — 0.3 Vdc
Turn-On Delay and Rise Times
(VIN=V
Case 1: On/Off input is enabled and then input power is

applied (delay from instant at which V
=
10% of V
Case 2: Input power is applied for at least one second
and
then the On/Off input is enabled (delay from instant at
which Von/Off is enabled until V
Output voltage Rise time (time for Vo to rise from
10% of Vo, set to 90% of Vo, set)

Output voltage overshoot (TA = 25oC 3 % V
VIN= V
With or without maximum external capacitance

Over Temperature Protection All T
(See Thermal Considerations section)

IN, min

IN, nom

IN, min

to V

, IO=I

o, set)

to V

IN, max

O, max , VO

IN, max,IO

, TA=40°C) Telcordia Issue 2 Method 1 Case 3

O, max

⎯

14,353,850

1.92 (0.0677)

Hours

⎯

g (oz.)

; open collector or equivalent,

3.5

⎯
⎯

10 µA

V

V

IN,max

⎯ ⎯

-0.3

⎯

1 mA

0.8 V

Vdc

IN, max

to within ±1% of steady state)

= V

IN, min

until Vo

All Tdelay — 2 — msec

IN

All Tdelay — 2 — msec

o = 10% of Vo, set)

All Trise

= I

to I

O, min

)

O, max

ref

— 4 — msec

140 °C

O, set

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 4

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Data Sheet

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Feature Specifications (cont.)

Parameter Device Symbol Min Typ Max Units

Input Undervoltage Lockout

Turn-on Threshold All

Turn-off Threshold All

Hysteresis All

PGOOD (Power Good)

Signal Interface Open Drain, V

Output Voltage Limit for PGOOD All

Pulldown resistance of PGOOD pin All

supply

≤ 5VDC

4.0 Vdc

3.6 Vdc

0.4 Vdc

90% 110% V

7 50

O, set

Ω

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 5

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/

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Characteristic Curves

The following figures provide typical characteristics for the 16V PicoTLynxTM 4A at 0.6Vo and at 25oC.

Data Sheet

85

80

75

EFFICIENCY, η (%)

70

65

60

55

50

01234

Vin= 8V

OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA OC

Figure 1. Converter Efficiency versus Output Current.

(V) (10mV/div)

O

V

OUTPUT VOLTAGE

TIME, t (1μs/div) TIME, t (20μs /div)

Figure 3. Typical output ripple and noise (V

IN = 8V, Io = Io,max).

4.5

3.5

NC

2.5

1.5

OUTPUT CURRENT, Io (A)

0.5

20 30 40 50 60 70 80 90

Figure 2. Derating Output Current versus Ambient
Temperature and Airflow.

(V) (500mV/div)

O

(A) (2Adiv) V

O

I

OUTPUT CURRENT, OUTPUT VOLTAGE

Figure 4. Transient Response to Dynamic Load
Change from 0% to 50% to 0% .

(V) (5V/div)

OFF VOLTAGE

ON/OFF

(V) (200mV/div) V

O

OUTPUT VOLTAGE ON

V

TIME, t (2 ms/div) TIME, t (2 ms/div)

Figure 5. Typical Start-up Using On/Off Voltage (Io = Io,max, VIN =
8V)

(V) (10v/div)

in

(V) (200MV/div) V

O

OUTPUT VOLTAGE INPUT VOLTAGE

V

Figure 6. Typical Start-up Using Input Voltage (VIN =
8V, I

o = Io,max).

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 6

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0

/

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Characteristic Curves

The following figures provide typical characteristics for the 16V PicoTLynxTM 4A at 1.2Vo and at 25oC.

90

85

80

75

70

65

60

EFFICIENCY, η (%)

55

50

01234

Vin= 8V

Vin=12V

Vin=16V

OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA OC

Figure 7. Converter Efficiency versus Output Current.

OUTPUT CURRENT, Io (A)

Figure 8. Derating Output Current versus Ambient
Temperature and Airflow.

4.5

3.5

2.5

1.5

0.5

20 30 40 50 60 70 80 9

Data Sheet

NC

(V) (10mV/div)

O

V

OUTPUT VOLTAGE

TIME, t (1μs/div) TIME, t (20μs /div)

Figure 9. Typical output ripple and noise (V

IN = 12V, Io = Io,max).

(V) (5V/div)

OFF VOLTAGE

ON/OFF

(V) (500mV/div) V

O

OUTPUT VOLTAGE ON

V

TIME, t (2 ms/div) TIME, t (2 ms/div)

Figure 11. Typical Start-up Using On/Off Voltage (Io = Io,max ,VIN = 8V).

(V) (500mV/div)

O

(A) (2Adiv) V

O

I

OUTPUT CURRENT, OUTPUT VOLTAGE

Figure 10. Transient Response to Dynamic Load Change
from 0% to 50% to 0%.

(V) (10V/div)

IN

(V) (500mV/div) V

0

OUTPUT VOLTAGE INPUT VOLTAGE

V

Figure 12. Typical Start-up Using Input Voltage (V

o,max).

= I

IN = 8V, Io

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 7

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/

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Characteristic Curves

The following figures provide typical characteristics for the 16V PicoTLynxTM 4A at 1.8Vo and at 25oC.

95

90

85

80

Vin=8V

Vin=12V

Vin=16V

EFFICIENCY, η (%)

75

70

65

60

55

50

01234

OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA OC

Figure 13. Converter Efficiency versus Output Current.

Figure 14. Derating Output Current versus Ambient
Temperature and Airflow.

4.5

3.5

2.5

1.5

OUTPUT CURRENT, Io (A)

0.5

20 30 40 50 60 70 80 90

Data Sheet

NC

(V) (20mV/div)

O

V

OUTPUT VOLTAGE

TIME, t (1μs/div) TIME, t (20μs /div)

Figure 15. Typical output ripple and noise (V

(V) (5V/div)

OFF VOLTAGE

ON/OFF

(V) (500mV/div) V

O

V

OUTPUT VOLTAGE ON

TIME, t (2 ms/div) TIME, t (2 ms/div)

IN = 12V, Io = Io,max).

Figure 17. Typical Start-up Using On/Off Voltage (Io = Io,max).

(V) (500mV/div)

O

(A) (2Adiv) V

O

I

OUTPUT CURRENT, OUTPUT VOLTAGE

Figure 16. Transient Response to Dynamic Load Change
from 0% to 50% to 0%.

(V) (10V/div)

IN

(V) (500mV/div) V

0

OUTPUT VOLTAGE INPUT VOLTAGE

V

Figure 18. Typical Start-up Using Input Voltage (V
I

o = Io,max).

IN = 12V,

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 8

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OUTPUT

CURRENT

OUTPUT

VOLTAGE

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Characteristic Curves

The following figures provide typical characteristics for the 16V PicoTLynxTM 4A at 2.5Vo and at 25oC.

95

90

85

80

75

70

Vin=8V

Vin=12V

Vin=16V

65

EFFICIENCY, η (%)

60

55

50

OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA OC

Figure 19. Converter Efficiency versus Output Current.

OUTPUT CURRENT, Io (A)

Figure 20. Derating Output Current versus
Ambient Temperature and Airflow.

4.5

3.5

2.5

1.5

0.5

20 30 40 50 60 70 80 90

Data Sheet

NC

(V) (20mV/div)

O

V

OUTPUT VOLTAGE

TIME, t (1μs/div) TIME, t (20μs /div)

Figure 21. Typical output ripple and noise (V

(V) (5V/div)

ON/OFF

(V) (1V/div) V

O

OUTPUT VOLTAGE ON/OFF VOLTAGE

V

TIME, t (2 ms/div) TIME, t (2 ms/div)

IN = 12V, Io = Io,max).

(V) (500mV/div)

O

,

(A) (2Adiv) V

O

I

Figure 22. Transient Response to Dynamic Load
Change from 0% to 50% to 0%.

(V) (10V/div)

IN

(V) (1V/div) V

0

OUTPUT VOLTAGE INPUT VOLTAGE

V

Figure 23. Typical Start-up Using On/Off Voltage (Io = Io,max).

Figure 24. Typical Start-up Using Input Voltage (VIN = 12V,

o = Io,max).

I

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 9

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0

OUTPUT

VOLTAGE

ON/OFF

VOLTAGE

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Characteristic Curves

The following figures provide typical characteristics for the 16V PicoTLynxTM 4A at 3.3Vo and at 25oC.

95

4.5

Data Sheet

90

85

Vin=8V

80

EFFICIENCY, η (%)

75

70

01234

Vin=12V

Vin=16V

OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA OC

Figure 25. Converter Efficiency versus Output Current.

(V) (20mV/div)

O

V

OUTPUT VOLTAGE

TIME, t (1μs/div) TIME, t (20μs /div)

Figure 27. Typical output ripple and noise (V

IN = 12V, Io = Io,max).

3.5

NC

2.5

1.5

OUTPUT CURRENT, Io (A)

0.5

20 30 40 50 60 70 80 9

Figure 26. Derating Output Current versus Ambient
Temperature and Airflow.

(V) (500mV/div)

O

(A) (2Adiv) V

O

I

OUTPUT CURRENT, OUTPUT VOLTAGE

Figure 28. Transient Response to Dynamic Load Change
from 0% 50% to 0%.

(V) (5V/div)

ON/OFF

(V) (1V/div) V

O

V

TIME, t (2ms/div) TIME, t (2ms/div)

Figure 29. Typical Start-up Using On/Off Voltage (Io = Io,max).

(V) (10V/div)

IN

(V) (1V/div) V

0

OUTPUT VOLTAGE INPUT VOLTAGE

V

Figure 30. Typical Start-up Using Input Voltage (VIN =

o = Io,max).

12V, I

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 10

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16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Characteristic Curves

The following figures provide typical characteristics for the 16V PicoTLynxTM 4A at 5.0 Vo and at 25oC.

100

95

90

85

80

75

70

EFFICIENCY, η (%)

65

60

55

01234

Vin=8V

Vin=12V

Vin=16V

OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA OC

Figure 31. Converter Efficiency versus Output Current.

Figure 31. Derating Output Current versus Ambient
Temperature and Airflow.

4.5

3.5

2.5

1.5

OUTPUT CURRENT, Io (A)

0.5

20 30 40 50 60 70 80 90

Data Sheet

NC

(V) (50mV/div)

O

V

OUTPUT VOLTAGE

TIME, t (1μs/div) TIME, t (20μs /div)

Figure 33. Typical output ripple and noise (V

(V) (5V/div)

OFF VOLTAGE

ON/OFF

(V) (2V/div) V

O

OUTPUT VOLTAGE ON

V

TIME, t (2ms/div) TIME, t (2ms/div)

IN = 12V, Io = Io,max).

Figure 35. Typical Start-up Using On/Off Voltage (Io = Io,max).

(V) (500mV/div)

O

(A) (2Adiv) V

O

I

OUTPUT CURRENT, OUTPUT VOLTAGE

Figure 34. Transient Response to Dynamic Load Change
from 0% 50% to 0%.

(V) (10V/div)

IN

(V) (2V/div) V

0

OUTPUT VOLTAGE INPUT VOLTAGE

V

Figure 36. Typical Start-up Using Input Voltage (V

o,max).

= I

IN = 12V, Io

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 11

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0

O

VO

G

O

/O

VO

G

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Characteristic Curves

The following figures provide typical characteristics for the 16V PicoTLynxTM 4A at 6.5 Vo and at 25oC.

100

95

90

85

80

75

Vin=8V

Vin=12V

70

EFFICIENCY, η (%)

65

60

55

01234

OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA OC

Figure 37. Converter Efficiency versus Output Current.

Vin=16V

Figure 38. Derating Output Current versus Ambient
Temperature and Airflow.

4.5

3.5

2.5

1.5

OUTPUT CURRENT, Io (A)

0.5

20 30 40 50 60 70 80 9

Data Sheet

NC

(V) (50mV/div)

O

V

OUTPUT VOLTAGE

TIME, t (1μs/div) TIME, t (20μs /div)

Figure 39. Typical output ripple and noise (V

E

LTA

(V) (5V/div)

FF

ON/OFF

N

E

LTA

(V) (2V/div) V

UTPUT

O

V

TIME, t (2ms/div) TIME, t (2ms/div)

IN = 12V, Io = Io,max).

Figure 41. Typical Start-up Using On/Off Voltage (Io = Io,max).

(V) (500mV/div)

O

(A) (2Adiv) V

O

I

OUTPUT CURRENT, OUTPUT VOLTAGE

Figure 40. Transient Response to Dynamic Load Change
from 0% 50% to 0%.

(V) (10V/div)

IN

Figure 42. Typical Start-up Using Input Voltage (V
I

o = Io,max).

(V) (2V/div) V

0

OUTPUT VOLTAGE INPUT VOLTAGE

V

IN = 12V,

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 12

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/

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Characteristic Curves

The following figures provide typical characteristics for the 16V PicoTLynxTM 4A at 8.0Vo and at 25oC.

100

95

90

85

80

75

70

65

EFFICIENCY, η (%)

60

55

01234

Vin=10V

Vin=12V

OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA OC

Vin=16V

Figure 43. Converter Efficiency versus Output Current.

Figure 44. Derating Output Current versus Ambient
Temperature and Airflow.

4.5

3.5

2.5

1.5

OUTPUT CURRENT, Io (A)

0.5

20 30 40 50 60 70 80 90

Data Sheet

NC

(V) (50mV/div)

O

V

OUTPUT VOLTAGE

TIME, t (1μs/div) TIME, t (20μs /div)

Figure 45. Typical output ripple and noise (VIN = 12V, Io = Io,max).

(V) (5V/div)

OFF VOLTAGE

ON/OFF

(V) (2V/div) V

O

OUTPUT VOLTAGE ON

V

TIME, t (2ms/div) TIME, t (2ms/div)

Figure 47. Typical Start-up Using On/Off Voltage (Io = Io,max).

(V) (500mV/div)

O

(A) (2Adiv) V

O

I

OUTPUT CURRENT, OUTPUT VOLTAGE

Figure 46. Transient Response to Dynamic Load Change
from 0% 50% to 0%.

(V) (10V/div)

IN

(V) (2V/div) V

0

OUTPUT VOLTAGE INPUT VOLTAGE

V

Figure 48. Typical Start-up Using Input Voltage (V

o = Io,max).

12V, I

IN =

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 13

GE

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Test Configurations

TO OSCILLOSCOPE

L

TEST

1μH

CS 1000μF

BATTERY

NOTE: Measure input reflected ripple current with a simulated

source inductance (L
possible battery impedance. Measure current as shown
above.

Electrolytic

E.S.R.<0.1Ω

@ 20°C 100kHz

TEST

) of 1μH. Capacitor CS offsets

Figure 49. Input Reflected Ripple Current Test Setup.

COPPER STRIP

Vo+

0.1uF

COM

NOTE : All volt age meas urements to be taken at the modu le

terminals, as shown above. If sockets are used then
Kel vin c onnection s are requi red at the mod ule termi na ls
to av oid meas ureme nt errors due to socket co ntact
resistance.

10uF

GROUND PLANE

Figure 50. Output Ripple and Noise Test Setup

R

R

contact

distribution

R

R

contact

distribution

NOTE: All vol tage m easurem ents to b e taken at th e module

termin als, as sh own ab ove. If s ockets a re used t hen
Kelvin c onnecti ons ar e requir ed at th e modul e termin als
to avoid meas uremen t errors due to socket c ontact
resistance.

VIN(+)

V

IN

COM

Figure 51. Output Voltage and Efficiency Test Setup.

. I

V

O

Efficiency

=

η

VIN. I

O

IN

V

COM

CIN

2x100μF

Tantalum

O

V

CURRENT PROBE

SCOPE U SING
BNC SOCKET

R

contact Rdistribution

O

R

contact Rdistribution

x 100 %

VIN(+)

COM

RESISTIVE
LOAD

R

LOAD

Design Considerations

Input Filtering

The 16V PicoTLynxTM 4A module should be connected to a low
ac-impedance source. A highly inductive source can affect
the stability of the module. An input capacitance must be
placed directly adjacent to the input pin of the module, to
minimize input ripple voltage and ensure module stability.

To minimize input voltage ripple, ceramic capacitors are
recommended at the input of the module. Figure 52 shows the
input ripple voltage for various output voltages at 4A of load
current with 1x10 µF or 1x22 µF ceramic capacitors and an
input of 12V.

350

300

250

200

150

100

50

0

Input Ripple Voltage (mVp-p)

0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5

Output Voltage (Vdc)

Figure 52. Input ripple voltage for various output voltages
with 1x10 µF or 1x22 µF ceramic capacitors at the input (4A
load). Input voltage is 12V.

Output Filtering

The 16V PicoTLynxTM 4A modules are designed for low output
ripple voltage and will meet the maximum output ripple
specification with 0.1 µF ceramic and 10 µF ceramic
capacitors at the output of the module. However, additional
output filtering may be required by the system designer for a
number of reasons. First, there may be a need to further
reduce the output ripple and noise of the module. Second, the
dynamic response characteristics may need to be customized
to a particular load step change.

To reduce the output ripple and improve the dynamic
response to a step load change, additional capacitance at the
output can be used. Low ESR polymer and ceramic capacitors
are recommended to improve the dynamic response of the
module. Figure 53 provides output ripple information for
different external capacitance values at various Vo and for a
load current of 4A. For stable operation of the module, limit the
capacitance to less than the maximum output capacitance as
specified in the electrical specification table. Optimal
performance of the module can be achieved by using the
Tunable Loop

TM

feature described later in this data sheet.

Data Sheet

1x10uF

1x22uF

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 14

GE

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

100

90
80

70
60

50

40
30

Ripple (m Vp-p )

20
10

0

0.5 2.5 4.5 6.5

Output Voltage(Volts)

1x10uF E xt ernal Cap
1x47uF E xt ernal Cap
2x47uF E xt ernal Cap
4x47uF E xt ernal Cap

Figure 53. Output ripple voltage for various output voltages
with external 1x10 µF, 1x47 µF, 2x47 µF or 4x47 µF ceramic
capacitors at the output (4A load). Input voltage is 12V.

Safety Considerations

For safety agency approval the power module must be
installed in compliance with the spacing and separation
requirements of the end-use safety agency standards, i.e., UL
60950-1, CSA C22.2 No. 60950-1-03, and VDE 0850:2001-12
(EN60950-1) Licensed.

For the converter output to be considered meeting the
requirements of safety extra-low voltage (SELV), the input must
meet SELV requirements. The power module has extra-low
voltage (ELV) outputs when all inputs are ELV.

The input to these units is to be provided with a fast-acting
fuse with a maximum rating of 6A in the positive input lead.

Feature Descriptions

Remote Enable

The 16V PicoTLynxTM 4A power modules feature an On/Off pin
for remote On/Off operation. Two On/Off logic options are
available. In the Positive Logic On/Off option, (device code
suffix “4” – see Ordering Information), the module turns ON
during a logic High on the On/Off pin and turns OFF during a
logic Low. With the Negative Logic On/Off option, (no device
code suffix, see Ordering Information), the module turns OFF
during logic High and ON during logic Low. The On/Off signal
is always referenced to ground. For either On/Off logic option,
leaving the On/Off pin disconnected will turn the module ON
when input voltage is present.

For positive logic modules, the circuit configuration for using
the On/Off pin is shown in Figure 54.

VIN+

Rpullup

I

ON/OFF

ON/OFF

GND

+ PWM Enable

V

ON/OFF

Q1

_

Figure 54. Circuit configuration for using positive On/Off
logic.

For negative logic On/Off modules, the circuit configuration is
shown in Fig. 55.

MODULE

Data Sheet

1.5MEG

2.05K

VIN+

ON/OFF

GND

Rpullup

I

ON/OFF

+

V

ON/OFF

Q2

_

MODULE

1.5MEG

PWM Enable

Q1

22K

22K

Figure 55. Circuit configuration for using negative On/Off
logic.

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 15

GE

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Overcurrent Protection

To provide protection in a fault (output overload) condition, the
unit is equipped with internal current-limiting circuitry and can
endure current limiting continuously. At the point of
current-limit inception, the unit enters hiccup mode. The unit
operates normally once the output current is brought back into
its specified range.

Overtemperature Protection

To provide protection in a fault condition, the unit is equipped
with a thermal shutdown circuit. The unit will shutdown if the
overtemperature threshold of 140oC is exceeded at the thermal
reference point T

. The thermal shutdown is not intended as a

ref

guarantee that the unit will survive temperatures beyond its
rating. Once the unit goes into thermal shutdown it will then
wait to cool before attempting to restart.

Input Undervoltage Lockout

At input voltages below the input undervoltage lockout limit,
the module operation is disabled. The module will begin to
operate at an input voltage above the undervoltage lockout
turn-on threshold.

Vo is the desired output voltage.

Table 1 provides Rtrim values required for some common
output voltages.

V

(V) Rtrim (KΩ)

O, set

0.6 656.7

1.0 14.45

1.2 9.704

1.5 6.502

1.8 4.888

2.5 3.096

3.3 2.182

5.0 1.340

6.5 1.000

8.0 0.798

By using a ±0.5% tolerance trim resistor with a TC of ±100ppm,
a set point tolerance of ±1.5% can be achieved as specified in
the electrical specification.

Data Sheet

Table 1

Output Voltage Programming

The output voltage of the 16V PicoTLynxTM 4A modules can be
programmed to any voltage from 0.59dc to 8.0Vdc by
connecting a resistor between the Trim and GND pins of the
module. Certain restrictions apply on the output voltage set
point depending on the input voltage. These are shown in the
Output Voltage vs. Input Voltage Set Point Area plot in Fig. 56.

18

16

14

12

10

8

6

Inpu t Voltag e (v)

4

2

0

0.511.522.533.544.555.566.577.58

Figure 56. Output Voltage vs. Input Voltage Set Point Area
plot showing limits where the output voltage can be set for
different input voltages.

Without an external resistor between Trim and GND pins, the
output of the module will be 0.59Vdc. To calculate the value of
the trim resistor, Rtrim for a desired output voltage, use the
following equation:

Rtrim is the external resistor in kΩ

Output Voltage (V)



= k

Rtrim



()

Vo





91.5

−

591.0

Ω




Remote Sense

The 16V PicoTLynxTM 4A power modules have a Remote Sense
feature to minimize the effects of distribution losses by
regulating the voltage at the SENSE pin. The voltage between
the SENSE pin and VOUT pin must not exceed 0.5V. Note that
the output voltage of the module cannot exceed the specified
maximum value. This includes the voltage drop between the
SENSE and Vout pins. When the Remote Sense feature is not
being used, connect the SENSE pin to the VOUT pin.

GND

VO(+)

SENS E

TRIM

LOA D

R

tri m

VIN(+)

ON/OFF

Figure 57. Circuit configuration for programming output
voltage using an external resistor.

Voltage Margining

Output voltage margining can be implemented in the 16V
PicoTLynx
the Trim pin to the ground pin for margining-up the output
voltage and by connecting a resistor, R
pin to output pin for margining-down. Figure 10 shows the
circuit configuration for output voltage margining. The POL

TM

4A modules by connecting a resistor, R

, from

margin-up

margin-down

, from the Trim

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 16

GE

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Programming Tool, available at www.lineagepower.com under
the Design Tools section, also calculates the values of R
and R

margin-down

for a specific output voltage and % margin.

margin-up

Please consult your local Lineage Power technical representative
for additional details.

Vo

Rmargin-down

MODULE

Q2

Trim

Rmargin-up

Rtrim

Q1

GND

Figure 58. Circuit Configuration for margining Output
voltage.

Monotonic Start-up and Shutdown

The 16V PicoTLynx

TM

4A modules have monotonic start-up and

shutdown behavior for any combination of rated input voltage,
output current and operating temperature range.

Startup into Pre-biased Output

The 16V PicoTLynxTM 4A modules can start into a prebiased
output as long as the prebias voltage is 0.5V less than the set
output voltage. Note that prebias operation is not supported
when output voltage sequencing is used.

Power Good

The 16V PicoTLynx
(PGOOD) signal that is implemented with an open-drain output
to indicate that the output voltage is within the regulation
limits of the power module. The PGOOD signal will be de­asserted to a low state if any condition such as
overtemperature, overcurrent or loss of regulation occurs that
would result in the output voltage going ±10% outside the
setpoint value. The PGOOD terminal should be connected
through a pullup resistor (suggested value 100KΩ) to a source
of 5VDC or lower.

Tunable Loop

The 16V PicoTLynxTM 4A modules have a new feature that
optimizes transient response of the module called Tunable

TM

.

Loop

External capacitors are usually added to the output of the
module for two reasons: to reduce output ripple and noise (see
Fig. 53) and to reduce output voltage deviations from the
steady-state value in the presence of dynamic load current

TM

4A modules provide a Power Good

TM

changes. Adding external capacitance however affects the
voltage control loop of the module, typically causing the loop
to slow down with sluggish response. Larger values of external
capacitance could also cause the module to become unstable.

The Tunable Loop

TM

allows the user to externally adjust the
voltage control loop to match the filter network connected to
the output of the module. The Tunable LoopTM is implemented
by connecting a series R-C between the SENSE and TRIM pins
of the module, as shown in Fig. 59. This R-C allows the user to
externally adjust the voltage loop feedback compensation of
the module.

VOUT

SENSE

MODULE

TRIM

GND

Figure. 59. Circuit diagram showing connection of R

to tune the control loop of the module.

C

TUNE

Recommended values of R
capacitor combinations are given in Tables 2 and 3. Table 2
shows the recommended values of R
different values of ceramic output capacitors up to 470
might be needed for an application to meet output ripple and
noise requirements. Selecting R
Table 2 will ensure stable operation of the module.

In applications with tight output voltage limits in the presence
of dynamic current loading, additional output capacitance will
be required. Table 3 lists recommended values of R

in order to meet 2% output voltage deviation limits for

C

TUNE

some common output voltages in the presence of a 2A to 4A
step change (50% of full load), with an input voltage of 16V.

Please contact your Lineage Power technical representative to
obtain more details of this feature as well as for guidelines on
how to select the right value of external R-C to tune the
module for best transient performance and stable operation
for other output capacitance values or input voltages other
than 16V.

Table 2. General recommended values of of R
for Vin=12V and various external ceramic capacitor
combinations.

Vo=6.5

Data Sheet

RTUNE

CTUNE

RTrim

TUNE

and C

TUNE

for different output

TUNE

and C

TUNE

and C

C O

TUNE

according to

TUNE

TUNE

TUME

for

and

TUNE

and C

and

μF that

TUNE

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 17

GE

2

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Co

1x47μF 2x47μF 4x47μF 6x47μF 10x47μF

R

C

Vo=1.8

Co

R

TUNE

C

TUNE

Table 3. Recommended values of R
transient deviation of ≤2% of Vout for a 2A step load with
Vin=16V.

Vo 8V 6.5V 5V 3.3V 2.5V 1.8V

Co

R

TUNE

C

TUNE

ΔV

Vo 1.2V 0.6V

Co

R

TUNE

C

TUNE

ΔV

150 150 100 75 75

TUNE

2700pF 5600pF 10nF 12nF 18nF

TUNE

1x47μF 2x47μF 4x47μF 6x47μF 10x47μF

100 75 75 75 75

6800pF 12nF 18nF 18nF 18nF

and C

TUNE

1x47μF 2x47μF 2x47μF 2x47μF 3x47μF

150 150 100 100 75 75
2700pF 5600pF 6900pF 8200pF 12nF 18nF
160mV 87mV 69mV 61mV 43mV 33mV

1x47μF +

x 330μF

Polymer

21mV 11.4mV

x330μF

Polymer

75 75

56nF 100nF

TUNE

to obtain

4x47μF

Data Sheet

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 18

GE

Air

W

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Thermal Considerations

Power modules operate in a variety of thermal environments;
however, sufficient cooling should always be provided to help
ensure reliable operation.

Considerations include ambient temperature, airflow, module
power dissipation, and the need for increased reliability. A
reduction in the operating temperature of the module will
result in an increase in reliability. The thermal data presented
here is based on physical measurements taken in a wind
tunnel. The test set-up is shown in Figure 60. The preferred
airflow direction for the module is in Figure 61.

Data Sheet

x

12.7_

(0.50)

25.4_
(1.0)

76.2_

(3.0)

Power Module

Probe Location
for measuring
airflow and
ambient
temperature

ind Tunnel

PWBs

flow

Figure 60. Thermal Test Setup.

The thermal reference points, T
also shown in Figure 60. For reliable operation the
temperatures at these points should not exceed 120oC. The
output power of the module should not exceed the rated
power of the module (Vo,set x Io,max).

Please refer to the Application Note “Thermal Characterization
Process For Open-Frame Board-Mounted Power Modules” for a
detailed discussion of thermal aspects including maximum
device temperatures.

used in the specifications are

ref

Figure 61. Preferred airflow direction and location of hot­spot of the module (Tref).

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 19

GE

Data Sheet

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Shock and Vibration

The ruggedized (-D version) of the modules are designed to withstand elevated levels of shock and vibration to be able to operate in
harsh environments. The ruggedized modules have been successfully tested to the following conditions:

Non operating random vibration:

Random vibration tests conducted at 25C, 10 to 2000Hz, for 30 minutes each level, starting from 30Grms (Z axis) and up to 50Grms (Z
axis). The units were then subjected to two more tests of 50Grms at 30 minutes each for a total of 90 minutes.

Operating shock to 40G per Mil Std. 810F, Method 516.4 Procedure I:

The modules were tested in opposing directions along each of three orthogonal axes, with waveform and amplitude of the shock
impulse characteristics as follows:

All shocks were half sine pulses, 11 milliseconds (ms) in duration in all 3 axes.

Units were tested to the Functional Shock Test of MIL-STD-810, Method 516.4, Procedure I - Figure 516.4-4. A shock magnitude of 40G
was utilized. The operational units were subjected to three shocks in each direction along three axes for a total of eighteen shocks.

Operating vibration per Mil Std 810F, Method 514.5 Procedure I:

The ruggedized (-D version) modules are designed and tested to vibration levels as outlined in MIL-STD-810F, Method 514.5, and
Procedure 1, using the Power Spectral Density (PSD) profiles as shown in Table 4 and Table 5 for all axes. Full compliance with
performance specifications was required during the performance test. No damage was allowed to the module and full compliance to
performance specifications was required when the endurance environment was removed. The module was tested per MIL-STD-810,
Method 514.5, Procedure I, for functional (performance) and endurance random vibration using the performance and endurance levels
shown in Table 4 and Table 5 for all axes. The performance test has been split, with one half accomplished before the endurance test
and one half after the endurance test (in each axis). The duration of the performance test was at least 16 minutes total per axis and at
least 120 minutes total per axis for the endurance test. The endurance test period was 2 hours minimum per axis.

Table 4: Performance Vibration Qualification - All Axes

Frequency (Hz) PSD Level (G2/Hz) Frequency (Hz)

10 1.14E-03 170 2.54E-03 690 1.03E-03
30 5.96E-03 230 3.70E-03 800 7.29E-03
40 9.53E-04 290 7.99E-04 890 1.00E-03
50 2.08E-03 340 1.12E-02 1070 2.67E-03

90 2.08E-03 370 1.12E-02 1240 1.08E-03
110 7.05E-04 430 8.84E-04 1550 2.54E-03
130 5.00E-03 490 1.54E-03 1780 2.88E-03
140 8.20E-04 560 5.62E-04 2000 5.62E-04

Table 5: Endurance Vibration Qualification - All Axes

Frequency (Hz)

10 0.00803 170 0.01795 690 0.00727

30 0.04216 230 0.02616 800 0.05155

40 0.00674 290 0.00565 890 0.00709

50 0.01468 340 0.07901 1070 0.01887

90 0.01468 370 0.07901 1240 0.00764
110 0.00498 430 0.00625 1550 0.01795
130 0.03536 490 0.01086 1780 0.02035
140 0.0058 560 0.00398 2000 0.00398

PSD Level

(G2/Hz)

Frequency (Hz)

PSD Level

(G2/Hz)

PSD Level

(G2/Hz)

Frequency (Hz)

Frequency (Hz)

PSD Level

(G2/Hz)

PSD Level

(G2/Hz)

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 20

GE

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Example Application Circuit

Requirements:
Vin: 16V
Vout: 1.8V
Iout: 3A max., worst case load transient is from 2A to 3A

ΔVout: 1.5% of Vout (27mV) for worst case load transient
Vin, ripple 1.5% of Vin (240mV, p-p)

Vin+

VIN

VOUT

SENSE

RTUNE

Data Sheet

Vout+

+

CI2

CI1 10F/25V ceramic capacitor (e.g. Murata GRM31CR61E106KA12)
CI2 100μF/25V bulk electrolytic
CO1 4 x 47F/10V ceramic capacitor (e.g. Murata GRM32ER61A476KE20)
CTune 18nF/50V ceramic capacitor (can be 1206, 0805 or 0603 size)
RTune 75 ohms SMT resistor (can be 1206, 0805 or 0603 size)
RTrim 4.87kΩ SMT resistor (can be 1206, 0805 or 0603 size, recommended tolerance of 0.1%)

CI1

Q3

MODULE

ON/OFF

GND

CTUNE

TRIM

RTrim

CO1

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 21

GE

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Mechanical Outline

Dimensions are in millimeters and (inches).
Tolerances: x.x mm ± 0.5 mm (x.xx in. ± 0.02 in.) [unless otherwise indicated]
x.xx mm ± 0.25 mm (x.xxx in ± 0.010 in.)

Data Sheet

PIN FUNCTION

1 ON/OFF
2 VIN
3 GND
4 VOUT
5 SENSE
6 TRIM

NC

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 22

PIN 7

PIN 8

7 GND
8 NC
9 NC

10 PGOOD

GE

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Recommended Pad Layout

Dimensions are in millimeters and (inches)
Tolerances: x.x mm ± 0.5 mm (x.xx in. ± 0.02 in.) [unless otherwise indicated]
x.xx mm ± 0.25 mm (x.xxx in ± 0.010 in.)

Data Sheet

NC

PIN FUNCTION

1 ON/OFF
2 VIN
3 GND
4 VOUT
5 SENSE
6 TRIM
7 GND
8 NC
9 NC

10 PGOOD

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 23

GE

Data Sheet

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Packaging Details

The 16V PicoTLynxTM 4A modules are supplied in tape & reel as standard. Modules are shipped in quantities of 400 modules per reel.
All Dimensions are in millimeters and (in inches).

Reel Dimensions:
Outside Dimensions: 330.2 mm (13.00)
Inside Dimensions: 177.8 mm (7.00”)
Tape Width: 24.00 mm (0.945”)

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 24

GE

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Surface Mount Information

Pick and Place

The 16V PicoTLynxTM 4A modules use an open frame
construction and are designed for a fully automated assembly
process. The modules are fitted with a label designed to
provide a large surface area for pick and place operations. The
label meets all the requirements for surface mount processing,
as well as safety standards, and is able to withstand reflow
temperatures of up to 300
information such as product code, serial number and the
location of manufacture.

Nozzle Recommendations

The module weight has been kept to a minimum by using open
frame construction. Variables such as nozzle size, tip style,
vacuum pressure and placement speed should be considered
to optimize this process. The minimum recommended inside
nozzle diameter for reliable operation is 3mm. The maximum
nozzle outer diameter, which will safely fit within the allowable
component spacing, is 7 mm.

Bottom Side / First Side Assembly

This module is not recommended for assembly on the bottom
side of a customer board. If such an assembly is attempted,
components may fall off the module during the second reflow
process. If assembly on the bottom side is planned, please
contact Lineage Power for special manufacturing process
instructions.

Only ruggedized (-D version) modules with additional epoxy will
work with a customer’s first side assembly. For other versions,
first side assembly should be avoided

Lead Free Soldering

The 16V PicoTLynxTM 4A modules are lead-free (Pb-free) and
RoHS compliant and fully compatible in a Pb-free soldering
process. Failure to observe the instructions below may result in
the failure of or cause damage to the modules and can
adversely affect long-term reliability.

Pb-free Reflow Profile

Power Systems will comply with J-STD-020 Rev. C
(Moisture/Reflow Sensitivity Classification for Nonhermetic Solid
State Surface Mount Devices) for both Pb-free solder profiles
and MSL classification procedures. This standard provides a
recommended forced-air-convection reflow profile based on
the volume and thickness of the package (table 4-2). The
suggested Pb-free solder paste is Sn/Ag/Cu (SAC). The
recommended linear reflow profile using Sn/Ag/Cu solder is

o

C. The label also carries product

shown in Fig. 62. Soldering outside of the recommended profile
requires testing to verify results and performance. For
questions regarding Land grid array(LGA) soldering, solder
volume; please contact Lineage Power for special
manufacturing process instructions

MSL Rating

The 16V PicoTLynxTM 4A modules have a MSL rating of 2a.

Storage and Handling

The recommended storage environment and handling
procedures for moisture-sensitive surface mount packages is
detailed in J-STD-033 Rev. A (Handling, Packing, Shipping and
Use of Moisture/Reflow Sensitive Surface Mount Devices).
Moisture barrier bags (MBB) with desiccant are required for MSL
ratings of 2 or greater. These sealed packages should not be
broken until time of use. Once the original package is broken,
the floor life of the product at conditions of ≤ 30°C and 60%
relative humidity varies according to the MSL rating (see J-STD­033A). The shelf life for dry packed SMT packages will be a
minimum of 12 months from the bag seal date, when stored at
the following conditions: < 40° C, < 90% relative humidity.

300

Per J-STD-020 Rev. C

250

200

150

Heating Zone

1°C/Second

100

Reflow Temp (°C)

50

0

Peak Temp 260°C

Reflow Time (Seconds)

62. Recommended linear reflow profile using Sn/Ag/Cu
solder.

Post Solder Cleaning and Drying Considerations

Post solder cleaning is usually the final circuit-board assembly
process prior to electrical board testing. The result of
inadequate cleaning and drying can affect both the reliability of
a power module and the testability of the finished circuit-board
assembly. For guidance on appropriate soldering, cleaning and
drying procedures, refer to Board Mounted Power Modules:
Soldering and Cleaning Application Note (AN04-001).

Data Sheet

* Min. Time Above 235°C

15 Seco nds

*Time Above 217°C

60 Seco nds

Cooling
Zone

Figure

September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 25

GE

O

Data Sheet

16V PicoTLynxTM 4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

Ordering Information

Please contact your Lineage Power Sales Representative for pricing, availability and optional features.

Table 6. Device Codes

Device Code

APXK004A0X-SRZ 8.0 – 16Vdc 0.59 – 8.0Vdc 4A Negative No CC109146651

APXK004A0X4-SRZ 8.0 – 16Vdc 0.59 – 8.0Vdc 4A Positive No CC109146643

APXK004A0X-SRDZ 8.0 – 16Vdc 0.59 – 8.0Vdc 4A Negative No CC109158804

Table 7. Coding Scheme

TLynx

family

Sequencing

feature.

AP X K 004A0 X 4 -SR -D Z

X = w/o Seq. K = 8.0 - 16V 4.0A X =

Input voltage

Input

Voltage Range

range

Output

current

Output

Voltage

utput voltage On/Off logic Options ROHS Compliance

programmable

output

Output

Current

= positive

o entry =

egative

On/Off

Logic

S = Surface

Mount

R = Tape&Reel

Sequencing Comcodes

D = 105C

operating

ambient, 40G

operating shock

as per MIL Std

810F

Z = ROHS6

Contact Us

For more information, call us at

USA/Canada:

[phone], or [phone]

Asia-Pacific:

+86.021.54279977*808

Europe, Middle-East and Africa:

+49.89.74423-206

India:
+91.80.28411633

www.ge.com/powerelectronics

September 10, 2013 ©2013 General Electric Company. All rights reserved. Version 1.09