China 70W 9V 4A 9V 3A 16V 0.3A Multi Output Power Supply

GPAD700M9-3A is a middle and low duty power supply with AC/DC multi-outputs. Thanks for the latest circuit design, it is compact and of reliable performance. It has the wide range of input voltage and has many functions including short-circuit protection, over-current protection and lightning proof function, accumulator charge. The cooling way is natural conductive. The power supply is designed strictly in accordance with the safety regulations, which conforms to the safety standards and requirements of information technology.
1. Input Requirements

ItemUnitMinTypicalMaxTesting ConditionsInput voltage rangeVac145220300 Input boot-up voltageVac145 285 Input frequency rangeHz455055

2.Output Requirements
2.1 Basic output requirements

Output voltageOutput voltage range Output current rangeRegulator precessionLoad regulationVoltage regulationRipple+9V9.10V~9.40V0A~4A≤±1%≤±1%≤±1%≤30mV+9V(JK)9.1V~9.4V0A~3A≤±1%≤±1%≤±1%≤30mVLithium Battery16V~16.4V0A~0.3A---≤50mV

Remark: measured within the rated voltage input and load, with 0.1UF filmy capacitor and 10UF/50V high frequency electrolytic capacitor output, bandwidth of oscillograph set at 20MHz.
2.2 Other requirements

ItemUnitMinTypicalMaxTesting ConditionsOutput PowerW-70 Output Efficiency%7075-Rated input/outputTemperature coefficient/ºC ±0.02%

3 Protection

ItemUnithas/notMinTypicalMaxRecovery characteristicsInput over-voltage protectionVYES300 315 Recovery point for Input over-voltage protectionVYES285 300Lack-for-voltage protection of Lithium Battery chargeVYES11.5 12.5 +9V output limiting-current protectionAYES5 7 +9V(JK) output limiting-current protectionAYES4 6 limiting-current protection of Lithium Battery chargeAYES0.3 0.4 Over-heating protectionºCYES95 105Auto recoveryCurrent for +9V short-circuit protectionAYES 7 Current for +9V(JK) short-circuit protectionAYES 6 Charge and discharge of Lithium Battery When the normal electricity shut off, it can turn to supply by lithium battery automatically, but it only has +9V(JK), until battery has not enough power, power supply will be protection automatically and shut off battery's electricity. The lithium battery as the standby power supply, it can work on when the normal electricity shut off suddenly,

4 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)3000Vac3000Vac/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.grounding resistance0.1ΩIt will be less than 0.1Ω for a single power supply.Tangent current1.5mAIt will be less than 1.5mA for a single power supply.

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

ItemIndex requirementsStandardsCECLASS BEN55022RECLASS BEN55022CSLEVEL 2:3V/m EN61000-4-6RSLEVEL 2:3V/m GB/T17626.2-1998ESDThere is no influence on the operation of power supply when charge on the case after power supply is encased
Tangent discharge:±8KV
Air discharge:±4KV/±15KVEN61000-4-2EFT/BLEVEL 3:2KVGB/T17626.4-1998SURGELEVEL 3:line-line2KV
Line-ground4KVEN61000-4-5DIPDrop to70%,40%,0%
Holding time 10ms,100ms,500ms etc.EN61000-4-11

2.6 Other requirements

ItemIndex requirementsPerformanceNoiseThere is no noise.PassMTBF100,000H Vibration>Frequency : 5 to 10 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 gas Pass