[Shaoxing Devechip Microelectronics Co., Ltd.]

General Description
The SDC2921 is a Pulse–Width Modulation (PWM) control circuit with complete protection circuits for the SMPS (Switching Mode Power Supply). It contains various functions, can minimize external components of switching power supply systems in personal computer.

FEATUREs
■ Complete PWM control and protection circuits
■ Over voltage protection for 3.3V/ 5V/ 12V/ PT
■ Under voltage protection for 3.3V/ 5V/ 12V
■ 280ms PG time delay
■ Open drain power good output
■ 280ms time delay for UVP
■ Remote ON/OFF function
■ Built-in soft-start function
■ Package: DIP-16

APPLICATIONs
■ PC power supply