300W DC-DC Converter

300W DC-DC Converter

300W DC-DC Convertor integrates a transformer and a DC/DC controller with a proprietary architecture for high power density and very low emissions. The high precision output voltage provides better channel enhancement for higher system efficiency without overstressing the power device gates.
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Product Introduction

300W DC-DC Convertor integrates a transformer and a DC/DC controller with a proprietary architecture for high power density and very low emissions. The high precision output voltage provides better channel enhancement for higher system efficiency without overstressing the power device gates. This fully integrated module has on-chip device protection and requires very few external components to provide additional features such as input undervoltage lockout, overvoltage lockout, output voltage supply-normal comparator, thermal shutdown, soft-start timeout, adjustable isolated positive and negative output voltages, enable pins, and open-drain output supply-normal pins.

 

HW1A5357

 

Parameters

 

Item

Parameter

Dimensions

Long * wide * high: 144*118*53.5(mm)

Power nominal value

300W

Peak-pulse power

350W

Insulation

YES

Current limit (4h) @12V

25A

Nominal output current (continuous)

20A

Voltage regulation rate

≤1.5%

Ripple factor

≤1%

Maximal efficiency

92%

Output short circuit protection

Yes

Output allowed over voltage

Rated voltage*150%

Overheat protection

When the internal temperature exceeds 90, the output is closed, and it will automatically resume after the internal temperature is less than 60.

Operating temperature range

-40℃~+55℃

Mechanical shock and vibration resistance

Meet SAEJ1378 requirements

 

Features

 

* High Charging efficiency: up to 94%,can reduce the heat and reduce the volume of radiator.

 

* Heavy load operation durable: can be continuous heavy load operation, the maximum current can be output within 1 hour.

 

* Low static power consumption

 

* Stable Voltage: using soft-start technology, output voltage is stable

 

* Output over current limit

 

* Output short circuit protection: short time or long short circuit output ,the converter is not damaged. After the fault is eliminated, it automatically returns to normal operation.

 

* Complete protection functions: including low voltage protection, output over voltage protection ,circuit failure protection, etc,. to improve the reliability of the circuit. (on-board battery charger, on-board industrial battery charger)

 

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