AP438 View Datasheet(PDF) - Anachip Corporation
Part Name
Description
Manufacturer
AP438 Datasheet PDF : 8 Pages
| |||
PWM Fan Speed Controller
Features
- 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.
Applications
- PC Power.
- DC Fan
Pin Assignment
Front View
AP438
SIP-4L
OTP 1
8 GND
VCC 2
7 GND
AP439
VIN 3
6 GND
PWM 4
5 GND
AP439
SOP-8L
SIP-5L
AP438/9
General Descriptions
The AP438/9 series’s PWM output has built-in NPN
power transistor that controls the Fan current & Fan
speed. AP439 built-in over temperature alarm
flag.
Pin Descriptions
Name
VCC
VIN
OTP
PWM
GND
Description
Operating voltage input
Reference input voltage
Over Temperature protect flag.
PWM Open Collect Output.
Ground
Ordering Information
AP43 X X X X
Part Number
8 : AP438
9 : AP439
Package
Lead Free
P : SIP-4/5L Blank : Normal
S : SOP-8L L : Lead Free Package
Packing
Blank : Tube
or bulk
A : Taping
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev.0.5 Feb.12, 2004
1/8
Share Link: 