Power chip

Regulator chip 5.0V 500mA, cost-effective

Power 5W Input Voltage Range 85-305Vac\n100-400Vdc Output Voltage/Current(Vo/lo) 5V/1A Efficiency% 75

LM22679 SIMPLE SWITCHER™ 4.5V to 42V, 5A Buck Regulator with Adjustable Soft-Start and Current Limit

Isolated positive and negative dual output; input voltage: 12VDC; output voltage: ±5VDC; output current (maximum value): ±200mA; output power: 2W; isolation voltage 1500VDC

TPS56428 4.5-V to 18-V Input, 4-A Synchronous Step-Down Converter with D-CAP2 Mode and Auto-Skip ECO-Mode