HS8108 PDF – Power Supply Switching Mode Controller IC

Part Number: HS8108

Function: Power Supply Switching Mode Controller IC

Package: DIP 20 Pin Type

Manufacturer: HuaXin


2 page


The HS8108 is a power supply switching mode controller IC for desktop PCs. It provides all the functions necessary to monitor and control the output of the power supply. Remote ON/OFF control, power good circuitry, some protection features against over-voltage and over-power are implemented. It directly senses all the output rails for OVP without the need of external dividers. A built-in timer generates accurate timing for control circuit including the PS-off delay. […]

3 page


1. PC half-bridge (or 494) power supply supervisor + two 431 + PWM

2. Remote ON/OFF function

3. Power-down warning circuitry ﹠ Power good circuitry

4. Delay time for PSON and PG signal

5. Over-voltage protection for 3.3V, 5V and 12V

6. Under-voltage protection for 3.3V, 5V,12V, -12V and/or -5V

7. Push-pull PWM operation and totem pole outputs

8. Over-power and short-circuit protection

9. Two shunt regulator for 3.3V and 5V Sb

HS8108 Datasheet PDF