SG6521 — PC Power Supply Supervisors
September 2008
SG6521 — PC Power Supply Supervisors
Features
Two 12V Sense Input Pins: VS12 and VS12B Over-
Voltage Protection (OVP) for 3.
3V, 5V, and
two 12V
Over-Current Protection (OCP) for 3.
3V, 5V, and
two 12V
Under-
Voltage Protection (UVP) for 3.
3V, 5V, and
two 12V
Open-Drain Output for PGO and FPO Pins 300ms Power-Good Delay 2.
8ms PSON Control to FPO Turn-off Delay 48ms PSON Control Delay No Lock-up During the Fast AC Power On/Off Wide Supply
Voltage Range: 4V to 15V Over-Temperature Protection (OTP) Additional Protection Input (Pext)
Applications
Switch-Mode Power Supplies with Active PFC Servo System Power Supplies ...