Huawei NAD12S10-A User 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 Vout
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; Iout = 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; Iout = 0 A
Inrush transient All - - 1 A²s -
Output characteristics
Output voltage set point All - ±1.0 % Vin = 12 V; Iout= 5 A; 0.1% tolerance
resistor used to set output voltage
Output voltage All 0.7 - 5.3 V Vin = 9 - 14 V; Iout = 0 - 10 A
Output line regulation All - - ±1 % Vin = 9 - 14 V; Iout = 10 A
Output load regulation All - - ±1 % Vin = 12 V; Iout = 0 - 10 A
Regulated voltage precision All - - ±3 % Vin = 9 - 14 V; Iout = 0 - 10 A
Temperature coefficient All - - ±0.02 %/°CTA= -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 Vin , Iout and TA
Output voltage delay time All - 3 10 ms From Vin connection to 10% Vout
Output voltage rise time All - 2.3 10 ms From 10%Vout to 90%Vout
Switching frequency All - 500 - kHz -
Conditions: TA = -40 - 85°C, Vin = 9 - 14 V DC, Vout = 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, Vout = 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; Vin = 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, Vout = 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

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GLOBAL ENERGY EFFICIENCY SPECIALIST
NAD12S10-A
DC-DC Converter Technical Manual V1.1
Figure 13: 1.8 V Efficiency
Figure 14: 1.8 V Power dissipation
Conditions: TA= 25°C or 77°F, unless otherwise specified.
Characteristic Curves
Figure 17: 3.3 V Efficiency
Figure 18: 3.3 V Power dissipation
Figure 15: 2.5 V Efficiency
Figure 16: 2.5 V Power dissipation

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GLOBAL ENERGY EFFICIENCY SPECIALIST
NAD12S10-A
DC-DC Converter Technical Manual V1.1
Figure 22: 5.3 V Power dissipation
Figure 20: 5.0 V Power dissipation
Conditions: TA= 25°C or 77°F, unless otherwise specified.
Characteristic Curves
Figure 21: 5.3 V Efficiency
Figure 19: 5.0 V Efficiency
Figure 23: Thermal derating with airflow from pin3
to pin7 (Vin = 12 V; Vout = 0.7 V) Figure 24: Thermal derating with airflow from pin1
to pin5 (Vin = 12 V; Vout = 0.7 V)

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GLOBAL ENERGY EFFICIENCY SPECIALIST
NAD12S10-A
DC-DC Converter Technical Manual V1.1
Figure 25: Thermal derating with airflow from pin3
to pin7 (Vin = 12 V; Vout = 0.8 V) Figure 26: Thermal derating with airflow from pin1
to pin5 (Vin = 12 V; Vout = 0.8 V)
Figure 27: Thermal derating with airflow from pin3
to pin7 (Vin = 12 V; Vout = 0.9 V) Figure 28: Thermal derating with airflow from pin1
to pin5 (Vin =12 V; Vout = 0.9 V)
Conditions: TA= 25°C or 77°F, unless otherwise specified.
Characteristic Curves
Figure 29: Thermal derating with airflow from pin3
to pin7 (Vin = 12 V; Vout = 1.0 V) Figure 30: Thermal derating with airflow from pin1
to pin5 (Vin = 12 V; Vout = 1.0 V)