SSC3S902 - Sanken

SSC3S902 LLC Current-Resonant Off-Line Switching Controller

The SSC3S900 series is a controller with SMZ* method for LLC current resonant switching power supplies, incorporating a floating drive circuit for a high-side power MOSFET. The IC includes useful functions such as Standby mode change, Overload Protection with input voltage compensation, Automatic Dead Time Adjustment, and Capacitive Mode Detection. The IC re.

Features

● Standby Mode Change Function ▫ Output Power at Light Load: PO = 100 mW (PIN = 0.27 W, as a reference with discharge resistor of 1MΩ for across the line capacitor) ▫ Burst operation in standby mode ▫ Soft-on/Soft-off function: reduces audible noise
● Realizing power supply with universal mains input voltage
● Floating Drive Circuit: drives a high-side power MOSFET directly
● Soft-start Function
● Capacitive Mode Detection Function
● Reset Detection Function
● Automatic Dead Time Adjustment Function
● Built-in Startup Circuit
● Input Electrolytic Capacitor Discharge Function
● Protections ▫ Br.