AP438 - PWM Fan Speed Controller

Product Overview

Anachip

Datasheet Details

Part number	AP438
Manufacturer	Anachip
File Size	178.46 KB
Description	PWM Fan Speed Controller
Datasheet	AP438 Datasheet
Note	This datasheet PDF includes multiple part numbers: AP438, AP439. Please refer to the document for exact specifications by model.
Additional preview pages of the AP438 datasheet.

Product details

Description

The AP438/9 series’s PWM output has built-in NPN power transistor that controls the Fan current & Fan speed. Applications - PC Power.- DC Fan Pin Assignment Front View AP438 Pin Descriptions Name VCC VIN OTP PWM GND Description Operating voltage input Reference input voltage Over Temperature protect flag.PWM Open Collect Output.Ground OTP 1 VCC 2 VIN 3 PWM 4 8 GND AP439 7 GND 6 GND 5 GND GND PWM VIN VCC OTP VCC

Features

s - Built-in 30Khz OSC provide 0%~100% PWM output - Over Temperature Protector(OTP) flag. (AP439 only). - Open collect output(OTP & PWM pins). - SIP-4L package for AP438. - SIP-5L, SOP-8L package for AP439.
General.

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Published: Apr 13, 2010 |