SDC4818

Datasheet Power Supply Pwm Supervisor SDC4818 General Description Features The SDC4818 controller is designed for switching mode power supply for desktop PCs. Utilizing minimum number Tof external components, the SDC4818 includes all of the Nfunctions for push-pull and/or half-bridge topology, decreasing the production cost and PCB space, and Eincreasing the MTBF for power supply. MTwo internal TL431 shunt regulators provide stable CONFIDENTIAL DOCUreference voltage for 3.3V and 5V standby regulator.  Over-voltage/Under-voltage protection for 3.3V/±5V/±12V  Over-power protection  Short-circuit protection  AC input under voltage protection  Power good circuitry  PSON for remote controller  Delay time for PSON and PG signal  Two internal TL431 shunt regulators provide stable reference voltage for 3.3V and 5V standby regulator  Soft-start and maximum 93% duty cycle Applications  ATX power supply  SFX(MICRO-ATX) power supply  NLX power supply SD...