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FAN7687

Features: PC Power Supply Outputs Supervisory CircuitryFew External ComponentsOver Voltage Protection for 3.3V, 5V and 12V OutputsUnder Voltage Protection for 3.3V, 5V and 12V OutputsOver Current Protection for 3.3V, 5V and 12V OutputsDual Over Current Portection for 12V Outputs(FAN7687)Fault Prot...

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SeekIC No. : 004340506 Detail

FAN7687: Features: PC Power Supply Outputs Supervisory CircuitryFew External ComponentsOver Voltage Protection for 3.3V, 5V and 12V OutputsUnder Voltage Protection for 3.3V, 5V and 12V OutputsOver Current Pr...

FAN7687 Data Sheet

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Part Number:
FAN7687
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

PC Power Supply Outputs Supervisory Circuitry
Few External Components
Over Voltage Protection for 3.3V, 5V and 12V Outputs
Under Voltage Protection for 3.3V, 5V and 12V Outputs
Over Current Protection for 3.3V, 5V and 12V Outputs
Dual Over Current Portection for 12V Outputs(FAN7687)
Fault Protection Output With Open Drain Output
Open Drain Power Good Output
300ms Power Good Delay
38ms PSON</a> On/Off Delay
73us Debounce
2.3ms PSON</a> to FPO</a> Turn Off Delay
Latch Function Controlled by PSON</a>


Application

-PC Switching Mode Power Supply


Pinout

Connection Diagram


Specifications

Parameter Symbol Value Unit
Supply Voltage VCC, VCC12 16 V
Input Voltage VPSON</a>, VS5, VS33, VPGI,IS5, IS33 8 V
VS12, IS12, ISVCC12 16
Output Voltage VPGO 8 V
VFPO</a> 16
Operating Temperature Topr -40 ~ 125 °C
Storage Temperature Tstg -55 ~ 150 °C
Power Dissipation PD 1 W



Description

The FAN7685/FAN7686/FAN7687 is a complete output supervisory circuitry intended for use in the secondary side of the switched mode power supply. It provides overvoltage protection (OVP), undervoltage protection(UVP), overcur-rent protection (OCP), and power good signal generator to monitor and control the outputs of the switching power sup-ply system. Remote on/off(PSON</a>) control and some preci-sion protection features are also implemented.

It directly senses all the output rails for OVP, UVP, and OCP without external divider resistors. As for output control, power good output(PGO) and fault protection output(FPO</a>) are included. The FAN7685/FAN7686/FAN7687 offers a simple and cost effective solution with minimum number of external components and greatly reduces PCB board space for power supply.




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