Huawei NAD12S10-A Technical Manual

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GLOBAL ENERGY EFFICIENCY SPECIALIST

Copyright©2014 Huawei Technologies Co., Ltd. All Rights Reserved.

THIS DOCUMENT IS FOR INFORMATION PURPOSE ONLY, AND DOES NOT CONSTITUTE ANY KIND OF WARRANTIES.

Description

The NAD12S10-A is a non-isolated DC-DC
converter with an input voltage range of 9 V to 14 V
and the maximum output current of 10 A. Its output
voltage can be adjusted within a range of 0.7 V to

5.3 V.

Mechanical Features

 SMT
 Dimensions: 12.19 mm x 12.19 mm (0.480 in.

x 0.480 in.)

 Height: ≤ 11.00 mm (0.433 in.)
 Weight: about 3.6 g

Control Features

 Remote on/off
 Remote sense
 Output voltage trim

Protection Features

 Input undervoltage protection
 Output overcurrent protection (hiccup mode)
 Output short circuit protection (hiccup mode)
 Output overvoltage protection (Latch off)
 Overtemperature protection (self-recovery)

Safety Features

 UL60950-1 and CSA C22.2 No. 60950-1-07
 Meet UL94V-0 flammability requirements
 RoHS6 compliant

Operational Features

 Input voltage: 9 - 14 V
 Output current: 0 -10 A
 Output voltage: 0.7 - 5.3 V
 Efficiency: 96.0 % (5.3 V, 10 A)

NAD12S10-A

POL

DC-DC Converter

9 - 14 V Input

0.7 - 5.3 V
Output

10 A Current

Positive

Logic

NAD12S10-A
DC-DC Converter Technical Manual V1.1

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GLOBAL ENERGY EFFICIENCY SPECIALIST

NAD12S10-A
DC-DC Converter Technical Manual V1.1

NAD 12 S 10 -A
1 2 3 4 5

1 — Non-isolated, analog, package type
2 — Input voltage: 12 V

3 — Single output
4 — Output current: 10 A
5 — Extension code

Designation Explanation

Mechanical Diagram

Pin No. Function

1 On/Off
2 Vin

3 GND
4 V

out

5 VS+
6 Trim
7 GND
8 NC
9 NC
10 PGOOD
14 NC
16 NC

Pin Description

1. All dimensions in mm [in.]

Tolerances: x.x ± 0.5 mm [x.xx± 0.02 in.]

x.xx ± 0.25 mm [x.xxx ± 0.010 in.]

2. Tolerances for the lengths and widths of
all pads are x.xx ± 0.10 mm [x.xxx ±

0.004 in.] .

EN42PCDG on the label of the module is the
internal model used by the manufacturer.

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GLOBAL ENERGY EFFICIENCY SPECIALIST

NAD12S10-A
DC-DC Converter Technical Manual V1.1

Parameter Output Min. Typ. Max. Units Notes & Conditions

Absolute maximum ratings

Input voltage(Continuous) All - - 16 V ­Operating ambient

temperature

All -40 - 85 ºC

See the thermal derating curve

Storage temperature All -55 - 125 ºC

-

Operating humidity All 10 - 95 % RH

Non-condensing

External voltage applied to
On/Off

All

-

-

5

V

-

Input characteristics

Operating input voltage All 9 12 14 V ­Maximum input current All - - 10 A

Vin = 0 - 14 V; I

out

= 10 A

Input capacitance All 220+20 220+20 - µF

220µF:Polymer aluminum capacitor
20 µF: Ceramic capacitor

No-load loss 1.2 V - 0.3 - W

Vin = 12 V; I

out

= 0 A

Inrush transient All - - 1 A²s

-

Output characteristics

Output voltage set point All -

±1.0

%

Vin = 12 V; I

out

= 5 A; 0.1% tolerance

resistor used to set output voltage

Output voltage All 0.7 - 5.3 V

Vin = 9 - 14 V; I

out

= 0 - 10 A

Output line regulation All - -

±1

%

Vin = 9 - 14 V; I

out

= 10 A

Output load regulation All - -

±1

%

Vin = 12 V; I

out

= 0 - 10 A

Regulated voltage precision All - -

±3

%

V

in

= 9 - 14 V; I

out

= 0 - 10 A

Temperature coefficient All - -

±0.02 %/°C

TA = -40°C to +85°C (-40°F to
+185°F )

External capacitance All 470+66 470+66 5000

µF

470µF: Polymer aluminum
capacitor

66 µF: Ceramic capacitor

Output current All 0 - 10 A

-

Output ripple and noise

(peak to peak)

≤1.2 - 20 30

mV

Oscilloscope bandwidth: 20 MHz

>1.2V - 30 60

Output voltage overshoot All - - 5 %

The whole range of V

in

, I

out

and TA

Output voltage delay time All - 3 10 ms

From Vin connection to 10% V

out

Output voltage rise time All - 2.3 10 ms

From 10%V

out

to 90%V

out

Switching frequency All - 500 - kHz

-

Conditions: TA = -40 - 85°C, Vin = 9 - 14 V DC, V

out

= 0.7 - 5.3 V DC, unless otherwise notes.

Electrical Specifications

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GLOBAL ENERGY EFFICIENCY SPECIALIST

NAD12S10-A
DC-DC Converter Technical Manual V1.1

Parameter Output Min. Typ. Max. Units Notes & Conditions

Protection characteristics

Input undervoltage protection

Startup threshold
Shutdown threshold
Hysteresis

All

6.5

5.2

0.8

7.5

6.3

1.2

8.5

7.2

2.0

V
V
V

-

Output overcurrent protection All 12 - 25 A

Hiccup mode

Output short circuit protection All - - - -

Hiccup mode

Output overvoltage protection All 110 - 130 %

Latch off

Overtemperature protection
Threshold
Hysteresis

All

115
5

125

-

140

-

°C
°C

Self-recovery
The values are obtained by measuring

the temperature of IC.

Dynamic characteristics

Overshoot amplitude
Recovery time

≤1.2 V

-

-

-

-

60
100

mV
µs

Current change rate: 1 A/µs
load : 25% - 50% - 25%;
50% - 75% - 50%

Overshoot amplitude
Recovery time

>1.2 V

-

-

-

-

5
100 % µs

Current change rate: 1 A/µs
load : 25% - 50% - 25%;
50% - 75% - 50%

Efficiency

100% load

0.7 V 82.0 83.5 -

%

Vin = 12 V; TA = 25°C (77°F)

0.8 V 83.5 85.0 -

0.9 V 84.5 86.0 -

1.0 V 85.5 87.0 -

1.2 V 87.0 88.5 -

1.5 V 89.0 90.5 -

1.8 V 89.5 91.0 -

2.5 V 91.5 93.0 -

3.3 V 92.0 93.5 -

5.0 V 93.0 94.5 -

5.3 V 94.5 96.0 -

Electrical Specifications

Conditions: TA = -40 - 85°C, Vin = 9 - 14 V DC, V

out

= 0.7 - 5.3 V DC, unless otherwise notes.

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GLOBAL ENERGY EFFICIENCY SPECIALIST

NAD12S10-A
DC-DC Converter Technical Manual V1.1

Parameter Output Min. Typ. Max. Units Notes & Conditions

Efficiency

50% load

0.7 V 85.0 86.5 -

%

Vin = 12 V; TA = 25°C (77°F)

0.8 V 87.0 88.5 -

0.9 V 87.5 89.0 -

1.0 V 88.5 90.0 -

1.2 V 89.5 91.0 -

1.5 V 91.0 92.5 -

1.8 V 91.5 93.0 -

2.5 V 93.5 95.0 -

3.3 V 94.0 95.5 -

5.0 V 94.5 96.0 -

5.3 V 95.0 96.5 -

30% load

0.7 V

82.0

83.5

-

0.8 V

83.0

84.5

-

0.9 V

84.0

85.5

-

1.0 V

85.0

86.5

-

1.2 V

86.0

87.5

-

1.5 V

87.0

88.5

-

1.8 V

87.5

89.0

-

2.5 V

88.5

90.0

-

3.3 V

89.0

90.5

-

5.0 V

90.0

91.5

-

5.3 V

91.0

92.5

-

Other characteristics

Remote on/off voltage
Low level

High level

All
All

-0.2

2.0

-

-

0.5

5.0

V
V

-

Reliability characteristics

Mean time between failures
(MTBF)

All - 2.5 -

Million
hours

Telcordia SR332; V

in

= 12 V; 80% load;

Airflow = 1.5 m/s (300 FLM); TA = 40°C
(104°F)

Electrical Specifications

Conditions: TA = -40 - 85°C, Vin = 9 - 14 V DC, V

out

= 0.7 - 5.3 V DC, unless otherwise notes.

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GLOBAL ENERGY EFFICIENCY SPECIALIST

NAD12S10-A
DC-DC Converter Technical Manual V1.1

Figure 1: 0.7 V Efficiency

Figure 2: 0.7 V Power dissipation

Figure 3: 0.8 V Efficiency

Figure 4: 0.8 V Power dissipation

Figure 5: 0.9 V Efficiency

Figure 6: 0.9 V Power dissipation

Conditions: TA = 25°C or 77°F, unless otherwise specified.

Characteristic Curves

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GLOBAL ENERGY EFFICIENCY SPECIALIST

NAD12S10-A
DC-DC Converter Technical Manual V1.1

Figure 7: 1.0 V Efficiency

Figure 8: 1.0 V Power dissipation

Figure 9: 1.2 V Efficiency

Figure 10: 1.2 V Power dissipation

Figure 11: 1.5 V Efficiency

Figure 12: 1.5 V Power dissipation

Conditions: TA = 25°C or 77°F, unless otherwise specified.

Characteristic Curves