China 5V 14A 3.3V 14A 12V 0.8A Multi Output Power Supply

GPAD700N5-3A is a type of switching power supply (AC/DC) with low power and multi-outputs. As a result of the newest circuit design, it has many advantages, such as compact machinery, reliable performance, high regulator precision and high efficiency. It also has a wide range of input voltage and many functions including short-circuit protections, output over-current and over-voltage protections, etc. It also has the alarm function. Its cooling way is natural conductive. The power supply which is satisfied with the safety standards and requirements of information technology is designed strictly in accordance with the safety regulations.
Input Requirements

Item UnitMinTypicalMaxTesting ConditionsInput voltage rangeVac90220264 Input voltage frequency rangeHz475063 Input currentA 1.05120Vac Input (average value)A 0.55230Vac Input (average value)Input rush currentA 17120Vac InputA 23230Vac InputSafe leakage currentmA 0.7120Vac InputmA 1.4230Vac InputInput fuse 250Vac S 3.15A

Output Requirements
2.3.1 Basic output requirements

Output voltageOutput current range (air cooling)Output current range (fan cooling)Peak value currentRegulator precession Load regulationVoltage regulationRipple+5V0.1A~10.5A0.1A~13A14A≤±2%≤±2%≤±2%≤50mV+3.3V0A~10.5A0A~13A14A≤±2%≤±2%≤±2%≤50mV+12V0A~0.65A0A~0.8A0.8A≤±5%≤±5%≤±5%≤120mV

Remark: (1) During the ripple testing, it is measured under the rated input and output voltage, with 0.1UF filmy capacitor and 10UF electrolytic capacitor on output port, added 20MHz bandwidth of oscillograph.
(2) At air cooling I5=10.5A max; I3.3=10.5A; I3.3+I5<10.6A; Po=52.5W max
(3) At fan cooling I5=13A max; I3.3=13A; I3.3+I5<15A; Po=70W max
(4) The peak value current holding time is not more than 60S, is not more than 5%, the output voltage can exceed the adjustable range during output the peak current.
2.3.2 Other output requirements

ItemUnitMinTypicalMaxTesting ConditionsOutput PowerW 70W 20CFM fan cooling/output with full loadW 52.5 Natural cooling/ output with full loadOutput Efficiency%70 -120Vac/65WTemperature coefficient/ºC ±0.02% Dynamic responsive recover ms 20025%~50%~25%,50%~75%~50%, 5% or 250mV,max.1ms, recover to1%

2.4 Protection

ItemUnitMinTypicalMaxRecovery characteristics+5V output over-voltage protectionV5.6256.256.875Invariable voltage protection. Auto recovery +3.3V output over-voltage protectionV3.714.1254.54Auto recovery+12V output over-voltage protectionV13.51516.5Auto recoveryShort-circuit protectionACan be long time short-circuit, and recover automatically. Every output with rated load.

2.5 SAFETY

Item LevelStandards(or testing conditions)Insulation voltage
(output to ground)500Vdc500Vdc/1Min / Leakage Current≤10mAInsulation voltage
( input to ground)1500Vac1500Vac/1Min / Leakage Current≤10mAInsulation voltage
( input to output)2500Vac2500Vac/1Min / Leakage Current≤10mAInsulation resistance10MΩUnder normal atmospheric pressure, and when the relative humidity is 90%, and the testing voltage is DC 500v, for the power supply, the insulation resistance of input to output, input to ground, and output to ground is no less than 10MΩ.

Remark: Remove the discharge tube when is testing.
2.6 EMC

ItemIndex requirementsStandardsCECLASS BEN55022RECLASS A EN55022CSLEVEL 3EN61000-4-6 RSLEVEL 3EN61000-4-3ESDThere is no influence on the operation of power supply when charge on the case after power supply is encased
Tangent discharge:LEVEL 4
Air discharge:LEVEL 3EN61000-4-2EFT/BLEVEL 3IEC61000-4-4SURGELEVEL 3:line-line2KV
Line-ground 4KVEN61000-4-5

2.7 Other requirements

ItemIndex requirementsPerformanceNoiseThe noise of power supply should be less than 55dB(A), the condition is in the range of input voltage and output voltage and current, the distance is 1 meter from front , back, right and left, and 1.5 meter from upper and underside.PassMTBF100,000H Vibration>Frequency : 5 to 9 Hz
>Amplitude : 3.5mm,9~200Hz
>Direction : 3 directions
>Sweep time : 50minutes(50minute per one way)
> acceleration:10m/s2,
> there is no influence on power supply.PassShockHalf-sine wave,acceleration: 20G,Amplitude 11ms,Direction : 3 directions(X,Y,Z)
3 times per one directionPassDustproofHas some function of dustproofPassOdorNo peculiar smell and deleterious gasPass