APX9270 Просмотр технического описания (PDF) - Anpec Electronics

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производитель

APX9270

Direct PWM Variable Speed Fan Motor Driver

Anpec Electronics 

APX9270

Typical Application Circuits (Cont.)

2. Without external current limiter

IIN

VIN

R1=2Ω

C1=4.7µF/25V

VCC

PWM input

6VREG

R6

PWM

R7

R2

OSCH

R4 R3

OSCL

R5

MIN

Thermistor

SET

OSC

COSC=100pF CT

SGND

CCT=0.47 to 1µF

Pull High

Voltage

VM

RFG=10KΩ

FG

OUT1

M

OUT2

HB

IN+

H

IN-

PGND

Note 3: In hot plug application, it’s necessary to protect against a hot plug input voltage overshoot. Placing a

resistor (R1) in series with a capacitor (C1 or CM) dampens the overshoot.

Copyright © ANPEC Electronics Corp.

9

Rev. A.3 - Jun., 2008

www.anpec.com.tw

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