TC647(2002) View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

TC647
(Rev.:2002)

PWM Fan Speed Controller with FanSense™ Technology

Microchip Technology 

TC647

Functional Block Diagram

VIN

CF

VMIN

GND

–

+

–

SHDN

+

Control

Logic

Clock

Generator

+

VSHDN

–

TC647

3 x TPWM

Timer

Start-up

Timer

Missing

Pulse

Detect.

70mV (typ.)

10kΩ

VDD

VOUT

FAULT

SENSE

DS21447C-page 2

 2002 Microchip Technology Inc.

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