GE Industrial Solutions NH020 User Manual

Data Sheet

October 14, 2009

RoHS Compliant

Applications

n

Distributed Power Architectures

n

Communication Equipment

n

Computer Equipment

NH020-Series Power SIPs:

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

Features

n

Compatible with RoHS EU Directive 200295/EC

n

Compatible in Pb- free or SnPb reflow environment

n

Nonisolated output

n

High efficiency: 86% typical

n

Small size and low profile:

63.5 mm x 5.6 mm x 14 mm
(2.5 in x 0.22 in x 0.55 in)

n

Remote On/Off

n

Output overcurrent protection

n

Output voltage adjustment

n

Overtemperature protection

n

UL* 60950 Recognized, CSA† C22.2 No. 60950-00 Certi-

fied, and VDE‡ 0805 (IEC60950, 3rd edition) Licensed

n

Meets FCC classA radiated limits

Options

n

Tight Tolerance output

n

-40 °C operation

Description

The NH020-Series Power SIPs are nonisolated dc-dc converters that operate over an input voltage range of 4.5 Vdc to 5.5
Vdc and provide a precisely regulated dc output. The SIPs have a maximum output current rating of 6 A at a typical full-load
efficiency of 86%. Standard features include remote on/off and output voltage adjustment

* UL is a registered trademark of Underwriters Laboratories, Inc.
† CSA is a registered trademark of Canadian Standards Association.

PDF Name:DS00-128E

.

Document Name:

PS (Replaces DS00-127EPS)

Data Sheet

October 14, 2009

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

NH020-Series Power SIPs:

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 reliabiltiy.

Parameter Symbol Min Max Unit

Input Voltage:
Continuous VIN 0 7.0 Vdc

Operating Ambient Temperature* T
Storage Temperature Tstg –55 125 °C
On/Off Terminal Voltage Von/off — 6.0 Vdc

* Forced convection—1.5 ms–1 (300 lfm) minimum. Higher ambient temperatures are possible with increased airflow and/or decreased power

output. See the Thermal Considerations section for more details.

† The –40 °C operation is optional. See Ordering Information section.

Q31

–40/0

†

115 °C

Electrical Specifications

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

Parameter Symbol Min Typ Max Unit

Operating Input Voltage VI 4.5 5.0 5.5 Vdc
Maximum Input Current

(VI = 0 to VI,max; IO = IO,max)
Inrush Transient i
Input Reflected-Ripple Current

(5 Hz to 20 MHz; 500nH source impedance;See Figure 14)
Input Ripple Rejection

(100 - 120Hz)

II,max — 6.1 A

2

t——1A

625 mAp-p

60 dB

2

s

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

This power SIP can be used in a wide variety of applications, ranging from simple stand-alone operation to an
integrated part of a 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 normal-blow
fuse with a maximum rating of 10 A (see Safety Considerations section). To aid in the proper fuse selection for the given appli­cation, information on inrush energy and maximum dc input current is provided. Refer to the fuse manufacturer’s data for fur­ther information.

Lineage Power 2

Data Sheet

October 14, 2009

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

NH020-Series Power SIPs:

Electrical Specifications (continued)

Parameter Device Symbol Min Typ Max Unit

Output Voltage Set Point

(VI = 5.0 V; IO = IO, max; TA = 25 °C)

Output Voltage

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

Output Regulation:

Line (VI = 4.5 V to 5.5 V)
Load (IO = 0 to IO, max)

Temperature (TA = 0 °C to 55 °C)

Ripple and Noise Voltage

Output

(See Figures 7—9 and 15.):

RMS

Peak-to-peak (5 Hz to 20 MHz)
External Load Capacitance (electrolytic) All — 0 — 10,000 µF
Output Current

(Forced convection, 1.5 ms

Output Current-limit Inception

(VO = 90% of VO, set; see Feature Descriptions
section.)

Efficiency

(VI = 5.0 V; IO = IO, max; TA = 25 °C; see Figures 3—6
and 16.)

Switching Frequency All — — 500 — kHz
Dynamic Response

(ΔIO/Δt = 1 A/10 µs, VI = 5.0 V, TA = 25 °C;
see Figures 10 and 11.):

Load Change from IO = 0% to 100% of IO, max:

Peak Deviation
Settling Time (VO < 10% peak deviation)

Load Change from IO = 100% to 0% of IO, max:

Peak Deviation
Settling Time (VO < 10% peak deviation)

–1

(300 lfm))

NH020M

NH020M2

NH020Y

NH020Y2

NH020G

NH020F

NH020F2

NH020M

NH020M2

NH020Y

NH020Y2

NH020G

NH020F

NH020F2

All

M
Y

F, G

All

F, G, M

Y

All

All IO 0 — 6 A

All IO — 350 — %IO, max

NH020M
NH020Y
NH020G

NH020F

All
All

All
All

VO, set
VO, set
VO, set
VO, set
VO, set
VO, set
VO, set

VO
VO
VO
VO
VO
VO
VO

—
—
—
—
—

—
—
—

h
h
h
h

—
—

—
—

1.46

1.485

1.75

1.782

2.43

3.18

3.27

1.43

1.455

1.716

1.745

2.39

3.16

3.24

—
—
—
—
—

—
—
—

70
73
79
84

—
—

—
—

1.5

1.5

1.8

1.8

2.5

3.3

3.3
—

—
—
—
—
—
—

0.1

0.4

0.3

0.1
—

—
—
—

72
75
82
86

80

200

80

200

1.54

1.515

1.85

1.818

2.57

3.39

3.33

1.57

1.545

1.883

1.855

2.61

3.44

3.36

0.4

0.6

0.5

0.3
17

25
30

100

—
—
—
—

—
—

—
—

%VO
%VO
%VO
%VO

mVrms
mVrms

mVp-p

Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc

Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc

mV

%
%
%
%

mV

µs

mV

µs

General Specifications

Parameter Min Typ Max Unit

Calculated MTBF (IO = 80% of IO, max TA = 25 °C) 1,400,000 Hours
Weight — — 7(0.25) g (oz.)

Lineage Power 3

Data Sheet

October 14, 2009

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

NH020-Series Power SIPs:

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

Remote On/Off Signal Interface
(VI = VI,min to VI, max; open collector pnp or Compatible, Von/off
signal referenced to GND. See Figure 20 and Feature
Descriptions section)

Logic Low (ON/OFF pin open—Module On)

Ion/off = 0.0 µA
Von/off = 0.3 V

Logic High (VON/OFF > 2.8 V)—Module Off

Ion/off = 10 mA

Von/off = 5.5 V
Turn-on Time
(IO = 80% of IO, max; VO within ±1% of steady state; see
Figure 12)

Output Voltage Set-point Adjustment Range NH020M

Overtemperature Protection (shutdown) All TQ31 — 125 — °C

.

All
All

All
All
All

NH020Y

NH020G

NH020F

Von/off

Ion/off

Von/off

Ion/off

—

Vtrim
Vtrim
Vtrim
Vtrim

–0.7

100
100

90
84

1.5

—
—
—
—

0.3
50

6.0
10

5.0

150
120
110
110

V

µA

V
mA
ms

%VO,

nom

%VO,

nom

Lineage Power 4

Data Sheet

October 14, 2009

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

Characteristic Curves

The following figures provide typical characteristics curves (TA = 25 °C).

NH020-Series Power SIPs:

Figure 1. Typical Inpu t Characteristics at 6 A output

current.

Figure 2. Typical Output Chara cteristics.

Figure 4. Typical Efficiency for NH020Y.

Figure 5. Typical Efficiency for NH020A0G.

Figure 3. T ypical Efficiency for NH020M .

Lineage Power 5

Figure 6. Typical Efficiency for NH020F.

Data Sheet

October 14, 2009

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

NH020-Series Power SIPs:

Characteristic Curves

The following figures provide typical characteristics curves at room temperature (TA = 25 °C)

Figure 7. Typical Output Ripple Voltage fo NH020M

(6A Output Current).

Figure 8. Typical Output Ripple Voltage for NH020Y

(6A Output Current).

Figure 9. Typical Output Ripple Voltage for NH020F,G

(6A Output Current).

Figure 10. Typical Transient response to Step load

change from 0% to 100% of I0,max at 5V
Input .

Lineage Power 6

Data Sheet

October 14, 2009

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

NH020-Series Power SIPs:

Characteristic Curves

The following figures provide typical characteristics curves at room temperature (TA = 25 °C)

Figure 11. Typical Transient response to Step load

change from 100% to 0% of I0,max at 5V
Input .(Waveform Averaged to remove ripple)

Figure 12. Typical start up Transient at 5V input and 6A

output.

Figure 13. Typical start -up Transient with remote on/off

at 5V Input and 6A output.

Lineage Power 7

Data Sheet

October 14, 2009

NH020-Series Power SIPs:

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

Test Configurations

TO OSCILLOSCOPE

L

500 nH

C

S

BATTER Y

Note: Measure input reflected ripple current with a simulated source

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

TEST) of 500nH. Capacitor CS offsets possible

220 µF

ESR < 0.1 •
@ 20 °C , 100 kH z

Figure 14. Input Reflected Ripple Current Test Setup.

I

(+)

V

I

(–)

V

Design Considerations

Input Source Impedance

The power SIP should be connected to a low ac- impedance
input source. Highly inductive source impedances can affect
the stability of the SIP. Adding external capacitance close to
the input pins of the SIP can reduce the ac impedance and
ensure system stability. The minimum recommended input
capacitance (C1) is a 100 µF electrolytic capacitor (see Fig­ures 17 and 19).

Figure 17. Setup with External Capacitor to Reduce

Input Ripple Voltage .

Note: Scope measurements should be made using a BNC socket,

with a 47 µF tantalum capacitor .Position the load between 51
mm and 76 mm (2 in and 3 in) from the module

Figure 15. Peak-to-Peak Output Ripple Measurement

Test Setup.

Note: All voltage measurements to be taken at the module termi-

nals, as shown above. If sockets are used then Kelvin con­nections are required at the module terminals to avoid
measurement

errors due to socket contact resistance.

Figure 16. Output Voltage and Efficiency Test Setup.

To reduce the amount of ripple current fed back to the input
supply (input reflected-ripple current), an external input filter
can be added. Up to 10 µF of ceramic capacitance (C2) may
be externally connected to the input of the SIP, provided the
source inductance (LSOURCE) is less than 1 µH (see Figure

17).
To further reduce the input reflected-ripple current, a

filter inductor (LFILTER) can be connected between the sup­ply and the external input capacitors (see Figure 18).

As mentioned above, a 100 µF electrolytic capacitor (C1)
should be added across the input of the SIP to ensure stabil­ity of the unit. The electrolytic capacitor should be selected
for ESR and RMS current ratings to ensure safe operation in
the case of a fault condition. Refer to Figure 19 for the
appropriate electrolytic capacitor ratings.
When using a tantalum input capacitor, take care not to
exceed device power rating because of the capacitor’s fail­ure mechanism (for example, a short circuit). The
filter inductor should be rated to handle the maximum power
SIP input current of 6.1 Adc.
If the amount of input reflected-ripple current is unaccept­able with an external L-C filter, more capacitance may be
added across the input supply to form a C-L-C filter. For best
results, the filter components should be mounted close to
the power SIP.

–[]I

V

O(+)VO(-)

⎛⎞

η

------------------------------------------------

⎝⎠

V

–[]I

I(+)VI(-)

×

O

×

100×=

I

Lineage Power 8

Data Sheet

October 14, 2009

Design Considerations (continued)

Input Source Impedance (continued)

Figure 18. Setup with External Input Filter to Reduce

Input Reflected-Ripple Current and Ensure
Stability.

NH020-Series Power SIPs:

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

Figure 19. Electrolytic Capacitor ESR and RMS Current

Rating Data.

Safety Considerations

For safety-agency approval of the system in which the power
module is used, the power module must be installed in com­pliance with the spacing and separation requirements of the
end-use safety agency standard, i.e., UL60950, CSA C22.2
No. 60950-00, and
VDE 0805:2001-12 (IEC60950, 3rd Ed).

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 ELV (extra-low voltage) outputs
when all inputs are ELV.

The input to these units is to be provided with a maximum
10A normal-blow fuse in the unearthed lead.

If an input electrolytic capacitor is to be used, it should be
selected using the design information found in the Design
Considerations section.

Lineage Power 9

Data Sheet

October 14, 2009

NH020-Series Power SIPs:

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

Feature Descriptions

Remote On/Off

To turn the power SIP on and off, the user must supply a
switch to control the voltage at the on/off terminal (Von/off).
The switch can be an open collector pnp transistor con­nected between the on/off terminal and the VI terminal or its
equivalent (see Figure 20).

During a logic low when the ON/OFF pin is open, the power
SIP is on and the maximum Von/off generated
by the power SIP is 0.3 V. The maximum
allowable leakage current of the switch when
Von/off = 0.3 V and VI = 5.5 V (Vswitch = 5.2 V) is 50 µA.

During a logic high, when Von/off = 2.8 V to 5.5 V, the power
SIP is off and the maximum Ion/off is 10 mA. The switch
should maintain a logic high while sourcing 10 mA.

If not using the remote on/off feature, leave the
ON/OFF pin open.

The SIP has internal capacitance to reduce noise at the ON/
OFF pin. Additional capacitance is not generally needed and
may degrade the start-up characteristics of the SIP.

CAUTION: Never ground the on/off terminal. Ground-

ing the on/off terminal disables an impor­tant safety feature and may damage the SIP
or the customer system.

18.23

⎛⎞

Rtrim-down

For the G (2.5 VO) SIP:

trim-down

R

Note: Output voltages below 2.5 V cannot be trimmed

down.

The test results for these configurations are displayed in Fig­ures 21 and 22.

----------------------------- -15–

⎝⎠

O VO adj,–

V

6.975

⎛⎞

------------------------------------- 15–

⎝⎠

2.498 V

O adj,–

kΩ=

kΩ=

Figure 20. Remote On/Off Implementation.

Output Voltage Set-Point Adjustment
(Trim)

Output voltage set-point adjustment allows the output volt­age set point to be increased or decreased by connecting an
external resistor between the TRIM pin and either the VO pin
(decrease output voltage) or GND pin (increase output volt­age). The trim range for the NH020F is +10%, –16%. The
trim range for the NH020G is ±10% of VO, nom. The trim
range for SIPs that produce less than 2.5 VO is +20%, –0%.

Connecting an external resistor (Rtrim-down) between the
TRIM and VO pin decreases the output voltage set point as
defined in the following equation.

For the F (3.3 VO) SIP:

Figure 21. NH020G Rtrim-down Test Results .

Figure 22. NH020F Rtrim-down Test Results .

Connecting an external resistor (Rtrim-up) between the
TRIM and GND pins increases the output voltage set point
to VO, adj as defined in the following equation:

28

⎛⎞

Rtrim-up

The test results for this configuration are displayed in Fig­ures 23—26.

Leave the TRIM pin open if not using that feature.

----------------------------- -1–

⎝⎠

O adj, VO–

V

kΩ=

Lineage Power 10

Data Sheet

October 14, 2009

Feature Descriptions (continued)
Output Voltage Set-Point Adjustment

(Trim)

Figure 23.

(continued)

NH020M Rtrim-up Test Results.

NH020-Series Power SIPs:

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

Figure 26. NH020F Rtrim-up Test Results .

Overcurrent Protection

To provide protection in a fault condition, the unit is equipped
with internal overcurrent protection. The unit operates nor­mally once the fault condition is removed.

The power module will supply up to 350% of rated current for
less than 1.25 seconds before it enters thermal shutdown.

Figure 24. NH020Y Rtrim-up Test Results.

Overtemperature Protection

To provide additional protection in a fault condition, the unit is
equipped with a nonlatched thermal shutdown circuit. The
shutdown circuit engages when Q1 or Q2 exceeds approxi­mately 110 °C. The unit attempts to restart when Q1 or Q2
cool down and cycles on and off while the fault condition
exists. Recovery from shutdown is accomplished when the
cause of the overtemperature condition is removed.

Figure 25. NH020G Rtrim-up Test Results .

Lineage Power 11

Data Sheet

October 14, 2009

Thermal Considerations

To predict the approximate cooling needed for the SIP, deter­mine the power dissipated as heat by the unit for the particu­lar application. Figures 29—32 show typical heat dissipation
for the SIP over a range of output currents.

NH020-Series Power SIPs:

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

Figure 29. NH020M Power Dissipation vs. Output

current.

Note: Dimensions are in millimeters and (inches).

Figure 27. Thermal Test Setup.

Proper cooling can be verified by measuring the power SIP’s
temperature at lead 7 of Q31 as shown in Figure 28.

Figure 28. Temperature Measurement Location.

The temperature at this location should not exceed 115 °C.
The output power of the SIP should not exceed the rated
power for the SIP as listed in the Ordering Information table.

Convection Requirements for Cooling

To predict the approximate cooling needed for the SIP, deter­mine the power dissipated as heat by the unit for the particu­lar application. Figures 29—32 show typical heat dissipation
for the SIP over a range of output currents.

Figure 30. NH020Y Power Dissipation vs. Output

Current.

Figure 31. NH020G Power Dissipation vs. Output

Current.

Lineage Power 12

Data Sheet

October 14, 2009

Figure 32. NH020F Power Dissipation vs. Output

Current.

With the known heat dissipation and a given local ambient
temperature, the minimum airflow can be chosen from the
derating curves in Figure 33.

NH020-Series Power SIPs:

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

Figure 33. Power Derating vs. Loca l Ambient

Temperature and Air Velocity

For example, if the unit dissipates 2.0 W of heat, the mini­mum airflow in an 80 °C environment is 1.0 m/s
(200 ft./min.).

Keep in mind that these derating curves are approximations
of the ambient temperatures and airflows require d to keep
the power SIP temperature below its maximum rating. Once
the SIP is assembled in the actual system, the SIP’s temper­ature should be checked as shown in Figure 28 to ensure it
does not exceed 115 °C.

.

Layout Considerations

Copper paths must not be routed between pins 2 and 3 and
pins 7 and 8.

Lineage Power 13

Data Sheet

October 14, 2009

Through-Hole Lead-Free Soldering Infor­mation

The RoHS-compliant through-hole products use the SAC
(Sn/Ag/Cu) Pb-free solder and RoHS-compliant compo­nents. They are designed to be processed through single or
dual wave soldering machines. The pins have an RoHS­compliant finish that is compatible with both Pb and Pb-free
wave soldering processes. A maximum preheat rate of 3°C/s
is suggested. The wave preheat process should be such
that the temperature of the power module board is kept
below 210°C. For Pb solder, the recommended pot temper­ature is 260°C, while the Pb-free solder pot is 270°C max.
Not all RoHS-compliant through-hole products can be pro­cessed with paste-through-hole Pb or Pb-free reflow pro­cess. If additional information is needed, please consult with
your Tyco Electronics Power System representative for more
details.

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 Tyco
Electronics Board Mounted Power Modules: Soldering and
Cleaning Application Note (AP01-056EPS).

NH020-Series Power SIPs:

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

Solder Ball and Cleanliness Requirements

The open frame (no case or potting) power module will meet
the solder ball requirements per J-STD-001B. These
requirements state that solder balls must neither be loose
nor violate the power module minimum electrical spacing.
The cleanliness designator of the open frame power module

is C00 (per J specification).

Lineage Power 14

Data Sheet

October 14, 2009

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

Outline Diagram for Through-Hole Module

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.)

Front View

NH020-Series Power SIPs:

Side View

Pin Function

1VO
2VO
3VO
4GND
5GND
6VI
7VI
8TRIM
9ON/OFF

Lineage Power 15

Data Sheet

October 14, 2009

Recommended Hole Pattern

Component-side footprint.
Dimensions are in millimeters and (inches).

NH020-Series Power SIPs:

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

Note: No copper should be placed between pins 2 and 3 and pins 7 and 8.

Lineage Power 16

Data Sheet
October 14, 2009

5 Vdc Input; 1.5 Vdc to 3.3 Vdc Output; 20 W

NH020-Series Power SIPs:

Ordering Information

Please contact your Tyco Electronics’ Sales Representative for pricing, availability and optional features.

Table 1. Device Codes

Input Voltage Output Voltage Output Current Device Code Comcodes

5 V 1.5 V 9 W NH020M 107870065
5 V 1.
5 V 2.5 V 15 W NH020G 107917114
5 V 3.

5V 3.3V 20W NH020FZ CC109114121
5 V 2.5 V 1
5 V 1.8 V 10.8 W NH020Y2Z CC109102761

nal features can be ordered using the suffixes shown below. The suffixes follow the last letter of the Product Code and are

Optio
placed in descending alphanumerical order.

Table 2. Device Options

Option Suffix

Tight tolerance output

t available on the NH020G)

(no

0 °C operation 5

–4
RoHS Compliant -Z

8 V 10.8 W NH020Y TBD

3 V 20 W NH020F 107221145

5 W NH020GZ CC109102753

2

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October 2009

PDF Name:DS00-128EPS (Replaces DS00-127EPS)