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FAN7640MPX, FAN7680, FAN7680M

Table of contents:
Info of FAN7640MPX
Info of FAN7680
Info of FAN7680M

FAN7640MPX, FAN7680, FAN7680M Selling Leads, Datasheet

MFG:FAIRCHILD Package Cooled:QFN24 D/C:07+

FAN7640MPX, FAN7680, FAN7680M Datasheet download

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Part Number: FAN7640MPX

MFG: FAIRCHILD

Package Cooled: QFN24

D/C: 07+

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FAN7680 General 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. As for output control, power good output(PGO) and fault protection output(FPO) are included. It directly senses all the output rails for OVP and UVP without external dividers. The FAN7680 offers a simple and cost effective solution with minimum number of external components and greatly reduces PCB board space for power supply.

FAN7680 Maximum Ratings

Parameter	Symbol	Value	Unit
Supply Voltage	V_CC	16	V
Supply Current	I_CC	1	mA
Input Voltage	VPSON, V_S5	8	V
Input Voltage	VS33, V_PGI	8	V
Output Voltage	VPGO	8	V
Output Voltage	VFPO	16	V
Operating Temperature	T_O	-40 ~ +125	°C
Storage Temperature	T_S	-65 ~ +150	°C
Power Dissipation	P_D	1	W

FAN7680 Features

· PC Power Supply Output Monitor Circuitry
· Few External Components
·Over Voltage Protection for 3.3V, 5V and 12V(Vcc) Outputs
· Under Voltage Protection for 3.3V, 5V and 12V(Vcc) Outputs with Delay Time
· Fault Protection Output with Open Drain Output
· Open Drain Power Good Output
· 300ms Power Good Delay
· 38ms PSON On/Off Debounce
· 73us Debounce
·2.3ms PSON to FPO Turn Off Delay
·Latch Function Controlled by PSON and Protection Inputs

FAN7680 Typical Application

· PC Power Supply

FAN7680 Connection Diagram

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