Page 1
Data Sheet
October 1, 2009
Austin SuperLynx
8.3Vdc – 14Vdc Input; 0.75Vdc to 5.5Vdc Output; 16A Output Current
TM
II 12V SMT Non-isolated Power Modules:
RoHS Compliant
EZ-SEQUENCE
TM
Applications
Distributed power architectures
Intermediate bus voltage applications
Telecommunications equipment
Servers and storage applications
Networking equipment
Enterprise Networks
Latest generation IC’s (DSP, FPGA, ASIC) and
Microprocessor powered applications
Features
Compliant to RoHS EU Directive 2002/95/EC (-Z
versions)
Compliant to ROHS EU Directive 2002/95/EC with
lead solder exemption (non-Z versions)
Flexible output voltage sequencing EZ-
SEQUENCE
Delivers up to 16A output current
High efficiency – 92% at 3.3V full load (V
Small size and low profile:
33.0 mm x 13.5 mm x 8.28 mm
(1.30 in x 0.53 in x 0.326 in)
Low output ripple and noise
High Reliability:
Calculated MTBF = 9.2M hours at 25
Output voltage programmable from 0.75 Vdc to
5.5Vdc via external resistor
Line Regulation: 0.3% (typical)
Load Regulation: 0.4% (typical)
Temperature Regulation: 0.4 % (typical)
Remote On/Off
Remote Sense
Output overcurrent protection (non-latching)
Wide operating temperature range (-40°C to 85°C)
UL* 60950-1Recognized, CSA
03 Certified, and VDE
Licensed
ISO** 9001 and ISO 14001 certified manufacturing
facilities
TM
†
‡
0805:2001-12 (EN60950-1)
C22.2 No. 60950-1-
= 12.0V)
IN
o
C Full-load
Description
Austin SuperLynxTM II 12V SMT power modules are non-isolated DC-DC converters that can deliver up to 16A of
output current with full load efficiency of 92% at 3.3V output. These modules provide a precisely regulated output
voltage programmable via an external resistor from 0.75Vdc to 5.5Vdc over a wide range of input voltage (V
– 14Vdc). Austin SuperLynx
various types of output voltage sequencing when powering multiple modules on board.
* UL is a re gistered trademark of Underwriters Laboratories, Inc.
†
CSA is a reg istered trademark of Canadian Standards Associ ation.
‡
VDE is a t rademark of Verband Deutscher Elektrotechniker e.V.
** ISO is a registered trademark of the International Orga nization of Standards
TM
II has a sequencing feature, EZ-SEQUENCETM that enable designers to implement
Document No: DS03-110 ver. 1.43
PDF name: superlynx_II_12v_smt_ds.pdf
= 8.3
IN
Page 2
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM
II 12V SMT Non-isolated Power Modules:
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
Continuous
IN
Sequencing voltage All Vseq -0.3 V
Operating Ambient Temperature All T
A
-0.3 15 Vdc
Vdc
IN,max
-40 85 °C
(see Thermal Considerations section)
Storage Temperature All T
stg
-55 125 °C
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 Vo,set ≤ 3.63 VIN 8.3 12.0 14.0 Vdc
Vo,set > 3.63 VIN 8.3 12.0 13.2 Vdc
Maximum Input Current All I
(VIN= V
IN, min
to V
IN, max
, IO=I
)
O, max
Input No Load Current Vo = 0.75Vdc I
(VIN = V
, Io = 0, module enabled) Vo = 5.0Vdc I
IN, nom
IN,max
IN,No load
IN,No load
10 Adc
40 mA
100 mA
Input Stand-by Current All I
(VIN = V
, module disabled)
IN, nom
2 mA
IN,stand-by
Inrush Transient All I2t 0.4 A2s
Input Reflected Ripple Current, peak-to-peak
(5Hz to 20MHz, 1μH source impedance; V
= I
V
IN, max, IO
; See Test configuration section)
Omax
IN, min
to
All 30 mAp-p
Input Ripple Rejection (120Hz) All 30 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 being
part of a complex 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 fastacting fuse with a maximum rating of 15 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.
LINEAGE POWER 2
Page 3
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM
II 12V SMT Non-isolated Power Modules:
Electrical Specifications (continued)
Parameter Device Symbol Min Typ Max Unit
Output Voltage Set-point All V
(VIN=
IN, min
, IO=I
, TA=25°C)
O, max
Output Voltage All V
(Over all operating input voltage, resistive load,
and temperature conditions until end of life)
Adjustment Range All V
Selected by an external resistor
O, set
O, set
O
Output Regulation
Line (VIN=V
Load (IO=I
Temperature (T
IN, min
O, min
to V
to I
ref=TA, min
) All
IN, max
) All
O, max
to T
) All ⎯ 0.4
A, max
Output Ripple and Noise on nominal output
(VIN=V
IN, nom
and IO=I
O, min
to I
O, max
Cout = 1μF ceramic//10μFtantalum capacitors)
RMS (5Hz to 20MHz bandwidth) All
Peak-to-Peak (5Hz to 20MHz bandwidth) All
External Capacitance
ESR ≥ 1 mΩ All C
ESR ≥ 10 mΩ All C
Output Current All I
Output Current Limit Inception (Hiccup Mode ) All I
(VO= 90% of V
)
O, set
Output Short-Circuit Current All I
(VO≤250mV) ( Hiccup Mode )
Efficiency V
VIN= V
IO=I
, TA=25°C V
IN, nom
= V
O, max , VO
V
O,set
V
V
V
V
= 0.75Vdc η 79.0 %
O, set
= 1.2Vdc η 85.0 %
O, set
= 1.5Vdc η 87.0 %
O,set
= 1.8Vdc η 88.0 %
O,set
= 2.5Vdc η 90.5 %
O,set
= 3.3Vdc η 92.0 %
O,set
= 5.0Vdc η 94.0 %
O,set
Switching Frequency All f
O, max
O, max
o
O, lim
O, s/c
sw
Dynamic Load Response
(dIo/dt=2.5A/μs; VIN = V
IN, nom
; TA=25°C)
Load Change from Io= 50% to 100% of
Io,max; 1μF ceramic// 10 μF tantalum
All V
pk
Peak Deviation
Settling Time (Vo<10% peak deviation)
(dIo/dt=2.5A/μs; VIN = V
IN, nom
; TA=25°C)
Load Change from Io= 100% to 50%of Io,max:
1μF ceramic// 10 μF tantalum
All t
All V
s
pk
Peak Deviation
Settling Time (Vo<10% peak deviation)
All t
s
-2.0 V
-2.5%
+2.0 % V
O, set
⎯
+3.5% % V
0.7525 5.5 Vdc
⎯
⎯
⎯
⎯
0.3
0.4
⎯
⎯
⎯
12 30 mV
30 75 mV
% V
% V
% V
⎯ ⎯
⎯ ⎯
1000 μF
5000 μF
0 16 Adc
⎯
⎯
180
3
⎯
⎯
⎯
⎯
⎯
⎯
⎯
300
200
25
200
25
⎯
⎯
⎯ μs
⎯
⎯ μs
pk-pk
% I
Adc
kHz
mV
mV
O, set
O, set
O, set
O, set
O, set
rms
o
LINEAGE POWER 3
Page 4
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM II
12V SMT Non-isolated Power Modules:
Electrical Specifications (continued)
Parameter Device Symbol Min Typ Max Unit
Dynamic Load Response
(dIo/dt=2.5A/μs; V VIN = V
Load Change from Io= 50% to 100% of Io,max;
Co = 2x150 μF polymer capacitors
Peak Deviation
Settling Time (Vo<10% peak deviation)
(dIo/dt=2.5A/μs; VIN = V
Load Change from Io= 100% to 50%of Io,max:
Co = 2x150 μF polymer capacitors
Peak Deviation
Settling Time (Vo<10% peak deviation)
IN, nom
IN, nom
; TA=25°C)
; TA=25°C)
All V
All t
All V
All t
pk
s
pk
s
⎯
⎯
⎯
⎯
100
50
100
50
⎯
⎯ μs
⎯
⎯ μs
mV
mV
General Specifications
Parameter Min Typ Max Unit
Calculated MTBF (IO=I
Telecordia SR-332 Issue 1: Method 1 Case 3
Weight
, TA=25°C) 9,230,550 Hours
O, max
⎯
5.6 (0.2)
⎯
g (oz.)
LINEAGE POWER 4
Page 5
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM
II 12V SMT Non-isolated Power Modules:
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
Device code with Suffix “4” – Positive logic
(On/Off is open collector/drain logic input;
Signal referenced to GND - See feature description
Input High Voltage (Module ON) All VIH ― ― V
Input High Current All IIH ― ― 10 μA
Input Low Voltage (Module OFF) All VIL -0.2 ― 0.3 V
Input Low Current All IIL ― 0.2 1 mA
Device Code with no suffix – Negative Logic
(On/OFF pin is open collector/drain logic input with
external pull-up resistor; signal referenced to GND)
Input High Voltage (Module OFF) All VIH 2.5 ― V
Input High Current All IIH 0.2 1 mA
Input Low Voltage (Module ON) All VIL -0.2 ― 0.3 Vdc
Input low Current All IIL ― 10 μA
Turn-On Delay and Rise Times
(IO=I
Case 1: On/Off input is set to Logic Low (Module
O, max , VIN
= V
= 25 oC, )
IN, nom, TA
All Tdelay ― 3 ― msec
ON) and then input power is applied (delay from
instant at which V
Case 2: Input power is applied for at least one second
=V
IN
until Vo=10% of Vo,set)
IN, min
All Tdelay ― 3 ― msec
and then the On/Off input is set to logic Low (delay from
instant at which Von/Off=0.3V until Vo=10% of Vo, set)
Output voltage Rise time (time for Vo to rise from 10%
of V
o,set to 90% of Vo, set)
All Trise
Output voltage overshoot – Startup ―
IO= I
; VIN = 8.3 to 14Vdc, TA = 25 oC
O, max
Remote Sense Range All ― ― 0.5 V
Sequencing Delay time
Delay from V
to application of voltage on SEQ pin All TsEQ-delay 10 msec
IN, min
V
IN, max
Vdc
IN,max
― 4 6 msec
1
% V
O, set
Tracking Accuracy (Power-Up: 2V/ms) All
(Power-Down: 1V/ms) All
(V
to V
IN, min
Overtemperature Protection
IN, max
; I
to I
O, min
VSEQ < Vo)
O, max
All T
(See Thermal Consideration section)
Input Undervoltage Lockout
Turn-on Threshold All
Turn-off Threshold All
SEQ –Vo |
|V
SEQ –Vo |
|V
ref
100 200 mV
300 500 mV
⎯
125
⎯
°C
7.9 V
7.8 V
LINEAGE POWER 5
Page 6
Data Sheet
O
(A)
)
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM II
12V SMT Non-isolated Power Modules:
Characteristic Curves
The following figures provide typical characteristics for the Austin SuperLynxTM II 12V SMT modules at 25ºC.
90
88
86
84
82
80
78
76
74
EFFICIENCY, (η)
72
70
0 4 8 12 16
Vin=14V
Vin=12V
Vin=10V
OUTPUT CURRENT, IO (A)
Figure 1. Converter Efficiency versus Output Current
(Vout = 1.2Vdc).
90
88
86
84
82
80
78
76
74
EFFICIENCY, (η)
72
70
Vin=14V
Vin=12V
Vin=10V
04 81216
OUTPUT CURRENT, I
Figure 2. Converter Efficiency versus Output Current
(Vout = 1.5Vdc).
94
92
90
88
86
84
82
80
78
EFFICIENCY, (η)
76
74
0481216
Vin=14V
Vin=12V
Vin=10V
OUTPUT CURRENT, IO (A)
Figure 4. Converter Efficiency versus Output Current
(Vout = 2.5Vdc).
94
92
90
88
86
84
82
80
78
EFFICIENCY, (η)
76
74
0481216
Vin=14V
Vin=12V
Vin=10V
OUTPUT CURRENT, IO (A
Figure 5. Converter Efficiency versus Output Current
(Vout = 3.3Vdc).
92
90
88
86
84
82
80
78
76
EFFICIENCY, (η)
74
72
0481216
Vin=14V
Vin=12V
Vin=10V
OUTPUT CURRENT, IO (A)
Figure3. Converter Efficiency versus Output Current
(Vout = 1.8Vdc).
96
94
92
90
88
86
84
82
80
78
EFFICIENCY, (η)
76
74
0481216
Vin=14V
Vin=12V
Vin=10V
OUTPUT CURRENT, IO (A)
Figure 6. Converter Efficiency versus Output Current
(Vout =5.0Vdc).
LINEAGE POWER 6
Page 7
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM
II 12V SMT Non-isolated Power Modules:
Characteristic Curves (continued)
The following figures provide typical characteristics for the SuperLynxTM II 12V SMT modules at 25ºC.
9
8
7
(A)
6
IN
5
4
3
2
1
INPUT CURRENT, I
0
7 8 91011121314
INPUT VOLTAGE, VIN (V)
Figure 7. Input Voltage vs. Input Current
(Vo = 3.3 Vdc).
Io = 16 A
Io=8A
Io=0 A
(V) (200mV/div)
O
(A) (2A/div) V
O
OUTPUT CURRENT, OUTPUT VOLTAGE
I
TIME, t (5μs/div)
Figure 10. Transient Response to Dynamic Load
Change from 50% to 100% of full load (Vo = 3.3Vdc).
(V) (20mV/div)
O
V
OUTPUT VOLTAGE
TIME, t (2μs/div)
Figure 8. Typical Output Ripple and Noise
(Vin = 12V dc, Vo = 2.5 Vdc, Io=16A).
(V) (20mV/div)
O
OUTPUT VOLTAGE
V
TIME, t (2μs/div)
Figure 9. Typical Output Ripple and Noise
(Vin = 12V dc, Vo = 3.3Vdc, Io=16A).
(V) (200mV/div)
O
(A) (2A/div) V
O
OUTPUT CURRENT, OUTPUT VOLTAGE
I
TIME, t (5μs/div)
Figure 11. Transient Response to Dynamic Load
Change from 100% to 50% of full load (Vo = 3.3Vdc).
(V) (100mV/div)
O
(A) (2A/div) V
O
OUTPUT CURRENT, OUTPUT VOLTAGE
I
TIME, t (10μs/div)
Figure 12. Transient Response to Dynamic Load
Change from 50% to 100% of full load (Vo =3.3Vdc,
Cext = 2x150 μF Polymer Capacitors).
LINEAGE POWER 7
Page 8
Data Sheet
μF)
(
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM II
12V SMT Non-isolated Power Modules:
Characteristic Curves (continued)
The following figures provide typical characteristics for the Austin SuperLynxTM II 12V SMT modules at 25ºC.
(V) (100mV/div)
O
(A) (2A/div) V
O
I
OUTPUT CURRENT, OUTPUT VOLTAGE
TIME, t (10μs/div)
Figure 13. Transient Response to Dynamic Load
Change from 100% of 50% full load (Vo = 3.3Vdc, Cext
= 2x150 μF Polymer Capacitors)
(V) (5V/div)
On/off
V) (2V/div) V
O
V
OUTPUT VOLTAGE On/Off VOLTAGE
TIME, t 2ms/div)
Figure 14. Typical Start-Up Using Remote On/Off
(Vin = 12Vdc, Vo = 5.0Vdc, Io =16A).
(V) (5V/div)
IN
(V) (2V/div) V
o
OUTPUT VOLTAGE, INPUT VOLTAGE
V
TIME, t (2 ms/div)
Figure 16. Typical Start-Up with application of Vin
with low-ESR polymer capacitors at the output
(7x150 μF) (Vin = 12Vdc, Vo = 5.0Vdc, Io = 16A, Co =
1050
.
V) (1V/div)
O
V
OUTPUT VOLTAGE
TIME, t (2ms/div)
Figure 17. Typical Start-Up with Prebias (Vin =
12Vdc, Vo = 2.5Vdc, Io = 1A, Vbias =1.2 Vdc).
(V) (5V/div)
On/off
(A) (10A/div)
O
V) (2V/div) V
O
V
OUTPUT VOLTAGE On/Off VOLTAGE
F
igure 15. Typical Start-Up Using Remote On/Off with
Low-ESR external capacitors (7x150uF Polymer)
TIME, t (2ms/div)
OUTPUT CURRENT,
I
TIME, t (10ms/div)
Figure 18. Output short circuit Current
(Vin = 12Vdc, Vo = 0.75Vdc).
Vin = 12Vdc, Vo = 5.0Vdc, Io = 16A, Co = 1050μF).
LINEAGE POWER 8
Page 9
Data Sheet
A
O
A
O
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM
II 12V SMT Non-isolated Power Modules:
Characteristic Curves (continued)
The following figures provide thermal derating curves for the Austin SuperLynxTM II 12V SMT modules.
18
16
14
12
10
NC
8
100 LFM
6
200 LFM
4
300 LFM
2
400 LFM
0
OUTPUT CURRENT, Io (A)
20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE, T
C
Figure 19. Derating Output Current versus Local
Ambient Temperature and Airflow (Vin = 12Vdc,
Vo=0.75Vdc).
OUTPUT CURRENT, Io (A)
18
16
14
12
10
NC
8
100 LFM
6
200 LFM
4
300 LFM
2
400 LFM
0
20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE, TA OC
Figure 20. Derating Output Current versus Local
Ambient Temperature and Airflow (Vin = 12Vdc, Vo=1.8
Vdc).
18
16
14
12
10
NC
8
100 LFM
6
200 LFM
4
300 LFM
2
400 LFM
0
OUTPUT CURRENT, Io (A)
20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE, TA OC
Figure 21. Derating Output Current versus Local
Ambient Temperature and Airflow
(Vin = 12Vdc, Vo=3.3
Vdc).
Figure 22. Derating Output Current versus Local
Ambient Temperature and Airflow (Vin = 12dc, Vo=5.0
Vdc).
18
16
14
12
10
NC
8
100 LFM
6
200 LFM
4
300 LFM
2
400 LFM
0
OUTPUT CURRENT, Io (A)
20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE, T
C
LINEAGE POWER 9
Page 10
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
Test Configurations
TO OSCILLOSCOPE
L
TEST
1μH
CS 1000μF
BATTERY
NOTE: Measure input reflected ripple current with a simulated
Electrolytic
E.S.R.<0.1Ω
@ 20°C 100kHz
source induct anc e (L
possible battery impedance. Measure current as shown
above.
) of 1μH. Capacit or CS offsets
TEST
Figure 23. Input Reflected Ripple Current Test Setup.
COPPER STRIP
V
(+)
O
1uF .
COM
NOTE: All volt age measurements to be taken at t he module
terminals, as shown above. If socket s are used then
Kelvin connections are required at the module terminals
to avoid measurement errors due to socket contact
resistance.
10uF
SCOPE
GROUND PLANE
Figure 24. Output Ripple and Noise Test Setup.
R
R
contact
distribution
R
distribution
R
contact
VIN(+)
V
IN
COM
V
COM
O
CIN
2x100μF
Tantalum
V
O
CURRENT PROBE
VIN(+)
COM
RESISTIVE
LOAD
R
contactRdistribution
R
contactRdistribution
R
LOAD
TM II
12V SMT Non-isolated Power Modules:
Design Considerations
Input Filtering
Austin SuperLynxTM II 12V SMT module should be
connected to a low-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.
In a typical application, 6x47 µF low-ESR tantalum
capacitors (AVX part #: TPSE476M025R0100, 47µF
25V 100 mΩ ESR tantalum capacitor) will be
sufficient to provide adequate ripple voltage at the
input of the module. To further minimize ripple
voltage at the input, very low ESR ceramic
capacitors are recommended at the input of the
module. Figure 26 shows input ripple voltage (mVpp) for various outputs with 6x47 µF tantalum
capacitors and with 6x22 µF ceramic capacitor (TDK
part #: C4532X5R1C226M) at full load.
350
300
250
200
150
10 0
50
Input Ripple Voltage (mVp-p)
0
0123456
Output Voltage (Vdc)
Figure 26. Input ripple voltage for various output
with 6x47 µF tantalum capacitors and with 6x22 µF
ceramic capacitors at the input (full load).
Tantalum
Cer ami c
NOTE: All volt age measurements t o be taken at the m odule
termina ls, as sh own above. If s ockets are used then
Kelvin c onnections are r equired at the modul e terminals
to avoid meas uremen t errors due t o socket c ontact
resistanc e.
Figure 25. Output Voltage and Efficiency Test Setup.
. I
V
O
Efficiency
=
η
VIN. I
O
IN
x 100 %
LINEAGE POWER 10
Page 11
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
Design Considerations (continued)
Output Filtering
The Austin SuperLynxTM II 12V SMT module is designed
for low output ripple voltage and will meet the maximum
output ripple specification with 1 µF ceramic and 10 µF
tantalum 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. For stable operation
of the module, limit the capacitance to less than the
maximum output capacitance as specified in the
electrical specification table.
TM
II 12V SMT Non-isolated Power Modules:
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 fastacting fuse with a maximum rating of 15A in the
positive input lead
.
LINEAGE POWER 11
Page 12
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
Feature Description
Remote On/Off
Austin SuperLynxTM II 12V SMT power modules feature
an On/Off pin for remote On/Off operation. Two On/Off
logic options are available in the Austin SuperLynx
series modules. Positive Logic On/Off signal, device
code suffix “4”, turns the module ON during a logic High
on the On/Off pin and turns the module OFF during a
logic Low. Negative logic On/Off signal, no device code
suffix, turns the module OFF during logic High and turns
the module ON during logic Low.
For positive logic modules, the circuit configuration for
using the On/Off pin is shown in Figure 27. The On/Off
pin is an open collector/drain logic input signal (Von/Off)
that is referenced to ground. During a logic-high (On/Off
pin is pulled high internal to the module) when the
transistor Q1 is in the Off state, the power module is ON.
Maximum allowable leakage current of the transistor
when Von/off = V
is 10µA. Applying a logic-low
IN,max
when the transistor Q1 is turned-On, the power module
is OFF. During this state VOn/Off must be less than
0.3V. When not using positive logic On/off pin, leave the
pin unconnected or tie to V
IN.
I
ON/OFF
GND
VIN+
ON/OFF
V
ON/OFF
Q1
R2
+
_
R1
R3
R4
MODULE
Q2
PWM Enable
Q3 CSS
Figure 27. Circuit configuration for using positive
logic On/OFF.
For negative logic On/Off devices, the circuit
configuration is shown is Figure 28. The On/Off pin is
pulled high with an external pull-up resistor (typical R
up
= 68k, +/- 5%). When transistor Q1 is in the Off state,
logic High is applied to the On/Off pin and the power
module is Off. The minimum On/off voltage for logic
High on the On/Off pin is 2.5 Vdc. To turn the module
ON, logic Low is applied to the On/Off pin by turning ON
Q1. When not using the negative logic On/Off, leave
the pin unconnected or tie to GND.
TM
II
pull-
TM II
12V SMT Non-isolated Power Modules:
VIN+
ON/OFF
GND
R
pull-up
I
ON/OFF
V
ON/OFF
Q1
+
_
MODULE
PWM Enable
R1
Q2 CSS
R2
Figure 28. Circuit configuration for using negative
logic On/OFF.
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. The typical
average output current during hiccup is 3A.
Input Undervoltage Lockout
At input voltages below the input undervoltage lockout
limit, module operation is disabled. The module will
begin to operate at an input voltage above the
undervoltage lockout turn-on threshold.
Overtemperature Protection
To provide protection in a fault condition, the unit is
equipped with a thermal shutdown circuit. The unit will
shutdown if the thermal reference point T
o
125
C (typical), but the thermal shutdown is not
intended as a guarantee that the unit will survive
temperatures beyond its rating. The module will
automatically restarts after it cools down.
, exceeds
ref
LINEAGE POWER 12
Page 13
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
Feature Descriptions (continued)
Output Voltage Programming
The output voltage of the Austin SuperLynxTM II 12V can
be programmed to any voltage from 0.75Vdc to 5.5Vdc
by connecting a resistor (shown as Rtrim in Figure 29)
between the Trim and GND pins of the module. Without
an external resistor between the Trim and GND pins, the
output of the module will be 0.7525Vdc. To calculate the
value of the trim resistor, Rtrim for a desired output
voltage, use the following equation:
Rtrim
⎢
−
7525.0
Vo
⎣
10500
⎡
= 1000
Rtrim is the external resistor in Ω
Vo is the desired output voltage
For example, to program the output voltage of the Austin
SuperLynx
TM
II module to 1.8V, Rtrim is calculated as
follows:
10500
⎡
= 1000
Rtrim
⎢
−
75.08.1
⎣
V
(+)
O
TRIM
V
(+)
IN
ON/OFF
GND
Figure 29. Circuit configuration to program output
voltage using an external resistor
Table 1 provides Rtrim values for most common
output voltages.
Table 1
V
(V)
O, set
0.7525 Open
1.2 22.46
1.5 13.05
1.8 9.024
2.5 5.009
3.3 3.122
5.0 1.472
⎤
Ω
−
⎥
⎦
⎤
−
⎥
⎦
Ω= kRtrim 024.9
R
trim
Rtrim (KΩ)
LOAD
TM
II 12V SMT Non-isolated Power Modules:
By using 1% tolerance trim resistor, set point tolerance
of ±2% is achieved as specified in the electrical
specification. The POL Programming Tool, available at
www.lineagepower.com under the Design Tools section,
helps determine the required external trim resistor
needed for a specific output voltage.
The amount of power delivered by the module is
defined as the voltage at the output terminals
multiplied by the output current. When using the trim
feature, the output voltage of the module can be
increased, which at the same output current would
increase the power output of the module. Care should
be taken to ensure that the maximum output power of
the module remains at or below the maximum rated
power (P
max
= V
o,set
x I
o,max
).
Voltage Margining
Output voltage margining can be implemented in the
Austin SuperLynx
R
, from the Trim pin to the ground pin for
margin-up
margining-up the output voltage and by connecting a
resistor, R
for margining-down. Figure 30 shows the circuit
configuration for output voltage margining. The POL
Programming Tool, available at www.lineagepower.com
under the Design Tools section, also calculates the
values of R
voltage and % margin. Please consult your local Lineage
Power technical representative for additional details.
Figure 30. Circuit Configuration for margining
Output voltage.
TM
II modules by connecting a resistor,
margin-down
Austin Lynx or
Lynx II Series
, from the Trim pin to the Output pin
and R
margin-up
Vo
Trim
GND
margin-down
Rtrim
for a specific output
Rmargin-down
Q2
Rmargin-up
Q1
LINEAGE POWER 13
Page 14
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
Feature Descriptions (continued)
Voltage Sequencing
Austin SuperLynxTM II 12V series of modules include a
sequencing feature, EZ-SEQUENCE
users to implement various types of output voltage
sequencing in their applications. This is accomplished
via an additional sequencing pin. When not using the
sequencing feature, either tie the SEQ pin to V
it unconnected.
When an analog voltage is applied to the SEQ pin, the
output voltage tracks this voltage until the output
reaches the set-point voltage. The SEQ voltage must be
set higher than the set-point voltage of the module. The
output voltage follows the voltage on the SEQ pin on a
one-to-one volt basis. By connecting multiple modules
together, customers can get multiple modules to track
their output voltages to the voltage applied on the SEQ
pin.
For proper voltage sequencing, first, input voltage is
applied to the module. The On/Off pin of the module is
left unconnected (or tied to GND for negative logic
modules or tied to V
IN for positive logic modules) so that
the module is ON by default. After applying input
voltage to the module, a minimum of 10msec delay is
required before applying voltage on the SEQ pin. During
this time, potential of 50mV (± 10 mV) is maintained on
the SEQ pin. After 10msec delay, an analog voltage is
applied to the SEQ pin and the output voltage of the
module will track this voltage on a one-to-one volt bases
until output reaches the set-point voltage. To initiate
simultaneous shutdown of the modules, the SEQ pin
voltage is lowered in a controlled manner. Output
voltage of the modules tracks the voltages below their
set-point voltages on a one-to-one basis. A valid input
voltage must be maintained until the tracking and output
voltages reach ground potential to ensure a controlled
shutdown of the modules.
When using the EZ-SEQUENCE
start-up of the module, pre-bias immunity feature during
start-up is disabled. The pre-bias immunity feature of
the module relies on the module being in the diodemode during start-up. When using the EZSEQUENCE
TM
feature, modules goes through an
internal set-up time of 10msec, and will be in
synchronous rectification mode when voltage at the SEQ
pin is applied. This will result in sinking current in the
module if pre-bias voltage is present at the output of the
module. When pre-bias immunity during start-up is
required, the EZ-SEQUENCE
disabled. For additional guidelines on using EZSEQUENCE
TM
feature of Austin SuperLynxTM II 12V,
contact Lineage Power technical representative for
preliminary application note on output voltage
sequencing using Austin Lynx II series.
TM
that enables
TM
feature to control
TM
feature must be
IN or leave
TM II
12V SMT Non-isolated Power Modules:
Remote Sense
The Austin SuperLynxTM II 12V SMT power modules
have a Remote Sense feature to minimize the effects of
distribution losses by regulating the voltage at the
Remote Sense pin (See Figure 31). The voltage
between the Sense pin and Vo pin must not exceed
0.5V.
The amount of power delivered by the module is defined
as the output voltage multiplied by the output current (Vo
x Io). When using Remote Sense, the output voltage of
the module can increase, which if the same output is
maintained, increases the power output by the module.
Make sure that the maximum output power of the
module remains at or below the maximum rated power.
When the Remote Sense feature is not being used,
connect the Remote Sense pin to output pin of the
module
.
R
R
contact
distribution
R
distribution
R
contact
VIN(+)
COM
V
Sense
COM
Figure 31. Remote sense circuit configuration.
R
contact Rdistribution
R
contact Rdistribution
R
LOAD
O
LINEAGE POWER 14
Page 15
Data Sheet
A
W
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
Thermal Considerations
Power modules operate in a variety of thermal
environments; however, sufficient cooling should 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 33. Note that the airflow is parallel to
the long axis of the module as shown in figure 32. The
derating data applies to airflow in either direction of the
module’s long axis.
Air Flow
T
(inductor winding)
ref1
TM
II 12V SMT Non-isolated Power Modules:
Mounted Power Modules” for a detailed discussion of
thermal aspects including maximum device
temperatures.
25.4_
ind Tunnel
PWBs
x
7.24_
(0.285)
(1.0)
76.2_
(3.0)
Power Module
Probe Location
for measuring
airflow and
ambient
temperature
ir
flow
Top View
T
ref2
Bottom View
Figure 32. T
The thermal reference points, T
specifications of thermal derating curves are shown in
Figure 32. For reliable operation these temperatures
should not exceed 125
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-
Temperature measurement location.
ref
o
C.
ref 1
and T
used in the
ref2
Figure 33. Thermal Test Set-up.
Heat Transfer via Convection
Increased airflow over the module enhances the heat
transfer via convection. Thermal derating curves
showing the maximum output current that can be
delivered by various module versus local ambient
temperature (T
(200 ft./min) are shown in the Characteristics Curves
section.
) for natural convection and up to 1m/s
A
LINEAGE POWER 15
Page 16
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM II
12V SMT Non-isolated Power Modules:
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.)
Top View
Side View
Bottom View
PIN FUNCTION
1 On/Off
2 VIN
3 SEQ
4 GND
5 VOUT
6 Trim
7 Sense
LINEAGE POWER 16
Page 17
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM
II 12V SMT Non-isolated Power Modules:
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.)
Surface Mount Pad Layout – Component side view.
LINEAGE POWER 17
Page 18
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM II
12V SMT Non-isolated Power Modules:
Packaging Details
The Austin SuperLynxTM II 12V SMT versions are supplied in tape & reel as standard. Modules are shipped in
quantities of 250 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”)
Width 44.0 mm (1.73”)
LINEAGE POWER 18
Page 19
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
Surface Mount Information
Pick and Place
The Austin SuperLynxTM II 12V SMT modules use
open frame construction and are designed for fully a
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
product information such as product code, serial
number and location of manufacture.
o
C. The label also carries
TM
II 12V SMT Non-isolated Power Modules:
or cause damage to the modules, and can adversely
affect long-term reliability.
In a conventional Tin/Lead (Sn/Pb) solder process
peak reflow temperatures are limited to less than
o
235
C. Typically, the eutectic solder melts at 183oC,
wets the land, and subsequently wicks the device
connection. Sufficient time must be allowed to fuse
the plating on the connection to ensure a reliable
solder joint. There are several types of SMT reflow
technologies currently used in the industry. These
surface mount power modules can be reliably
soldered using natural forced convection, IR (radiant
infrared), or a combination of convection/IR. For
reliable soldering the solder reflow profile should be
established by accurately measuring the modules CP
connector temperatures.
300
250
200
Peak T emp 235oC
Heat zo ne
oCs-1
max 4
Co o ling
zo ne
oCs-1
1- 4
Figure 34. Pick and Place Location.
Nozzle Recommendations
The module weight has been kept to a minimum by
using open frame construction. Even so, these
modules have a relatively large mass when compared
to conventional SMT components. Variables such as
nozzle size, tip style, vacuum pressure and pick &
placement speed should be considered to optimize
this process. The minimum recommended nozzle
diameter for reliable operation is 3mm. The maximum
nozzle outer diameter, which will safely fit within the
allowable component spacing, is 8 mm max.
Tin Lead Soldering
The Austin SuperLynxTM II 12V SMT power modules
are lead free modules and can be soldered either in a
lead-free solder process or in a conventional Tin/Lead
(Sn/Pb) process. It is recommended that the
customer review data sheets in order to customize the
solder reflow profile for each application board
assembly. The following instructions must be
observed when soldering these units. Failure to
observe these instructions may result in the failure of
15 0
10 0
REFLOW TEMP (°C)
50
0
Soak zo ne
30-240s
Preheat zo ne
oCs-1
max 4
REFLOW TIME (S)
T
above
lim
o
205
C
Figure 35. Reflow Profile for Tin/Lead (Sn/Pb)
process.
240
235
230
225
220
215
210
MAX TEMP SOLDER (°C)
205
200
0 102030405060
Figure 36. Time Limit Curve Above 205oC for
Tin/Lead (Sn/Pb) process.
LINEAGE POWER 19
Page 20
Data Sheet
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
Surface Mount Information (continued)
Lead Free Soldering
The –Z versions of the Austin SuperLynx II 12V SMT
modules are lead-free (Pb-free) and RoHS compliant
and are both forward and backward compatible in a
Pb-free and a SnPb 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 shown in Figure. 37.
MSL Rating
The Austin SuperLynx II 12V SMT modules have a
MSL rating of 3.
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-STD-033A).
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.
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
TM II
12V SMT Non-isolated Power Modules:
drying procedures, refer to Board Mounted Power
Modules: Soldering and Cleaning Application Note
(AN04-001).
300
Per J-STD-020 Rev. C
250
200
150
Heat ing Zone
1°C/Second
100
Reflow Temp (°C)
50
0
Figure 37. Recommended linear reflow profile
using Sn/Ag/Cu solder.
Peak Temp 260°C
* Min. Time Above 235°C
15 Seconds
*Time Above 217°C
60 Seconds
Reflow Time (Seconds)
Cooling
Zone
LINEAGE POWER 20
Page 21
Data Sheet
a
©
October 1, 2009
Austin SuperLynx
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output;16A output current
TM
II 12V SMT Non-isolated Power Modules:
Ordering Information
Please contact your Lineage Power Sales Representative for pricing, availability and optional features.
Table 2. Device Codes
Device Code
Voltage
Range
ATA016A0X3-SR 8.3 – 14Vdc 0.75 – 5.5Vdc 16 A 92.0% SMT 108988440
ATA016A0X3-SRZ 8.3 – 14Vdc
ATA016A0X43-SR 8.3 – 14Vdc
ATA016A0X43-SRZ 8.3 – 14Vdc
-Z refers to RoHS-compliant versions.
Input
Output
Voltage
0.75 – 5.5Vdc
0.75 – 5.5Vdc
0.75 – 5.5Vdc
Output
Current
Efficiency
3.3V@ 16A
Connector
Type
Comcodes
16 A 92.0% SMT CC109104527
16 A 92.0% SMT 108988457
16 A 92.0% SMT 108996690
Asia-Pacific Headquarters
Tel: + 65 6593 7211
World Wide Headquarters
Lineage Power Corporation
601 Shil oh Roa d, Plano, TX 75074, USA
+1-800-526-7 819
(Outsi de U.S.A.: +1-972-244-9428)
www.lineagepower.com
e-mail: techs upport1@lineagepower.com
Linea ge Power res erves th e right to make change s to the prod uct(s) or i nformation c ontained herein without not ic e. No liability is ass umed as a result o f their use o r
pplication . No righ ts under any patent accompany the sal e of any s uch produc t(s) or informati on.
Linea ge Power D C-DC pro ducts are p rotected unde r v arious pa tents. Infor mation on these pa tents is av ailable at ww w.line agepower .com/paten ts.
2009 Line age Power Corporation, (Plan o, Texas) All Inte rn ation al Rights Reserved.
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Tel: + 49 898 780 672 80
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Tel: + 91 80 2841163 3
LINEAGE POWER 21
Document No: DS03-110 ver. 1.43
PDF name: superlynx_II_12v_smt_ds.pdf
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