FAN7680N
数据手册.pdfPC电源输出监控IC PC Power Supply Outputs Monitoring IC
Description
The FAN7680 is a complete output supervisory circuitry intended for use in the secondary side of a switched mode power supply. It provides over voltage protection OVP, under voltage protection UVP, fault protection output FPO, remote On/Off PSON, latch, internal delay circuits and power good signal generator to monitor and control the output of the switching power supply system.
Features
ï PC Power Supply Output Monitor Circuitry
ï Few External Components
ï Over Voltage Protection for 3.3V, 5V and 12VVcc Outputs
ï Under Voltage Protection for 3.3V, 5V and 12VVcc Outputs with Delay Time
ï Fault Protection Output with Open Drain Output
ï Open Drain Power Good Output
ï 300ms Power Good Delay
ï 38ms PSONOn/Off Debounce
ï 73us Debounce
ï 2.3ms PSONto FPOTurn Off Delay
ï Latch Function Controlled by PSONand Protection Inputs
Typical Application
ï PC Power Supply