4.5V 40A 180W High Reliability DC to DC Power Supply for Automobile

Switching power supply

 NHD-200-4.5E

 OUTPUT

DC Voltage

 4.5V

Current Range

 0~20A x 2

Rated Current

 40A (2 independent output)

Rated Power

 180W

Ripple & Noise(max.)

 <200mVp-p

Voltage set point accuracy

 +/- 3.0%Vo max

Over-current protection

 >120%io,hiccup

Line Regulation

 0.2%Vo max

Load Regulation

 0.2%Vo max

Short-circuit protection

 Hiccup

Hold up time

 >8mS

Overshoot and undershoot

 < +/- 5.0%

 INPUT

Voltage Range

 DC9-36V

Frequency Range

 BW=20MHz

Efficiency(Typ.)

 94%

DC Current

 <25A

Inrush Current(Typ.)

 100A at DC Cold start

Leakage Current

 Input-Output< 0.2mA ; Input-PG:<0.3mA

 Environment

MIBF

 >2 million hrs

Temp.Coefficient

 < 0.02%/

Storage Temperature range

 -55 ~ +115

Operaing board Temperature range

 -25 ~ +65

 Safety

Safety standards

 CE