FAN5232 Adjustable PWM Buck Controller

Fairchild Semiconductor

Description

www.fairchildsemi.com FAN5232 Adjustable PWM Buck Controller for LCD PCs .
The FAN5232 is a high efﬁciency and high precision DC/DC controller for PCs.

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Datasheet Specifications

Part number: FAN5232
Manufacturer: Fairchild Semiconductor
File Size: 76.32 KB
Datasheet: FAN5232_FairchildSemiconductor.pdf
Description: Adjustable PWM Buck Controller

Features

* Three outputs: Adjustable Buck, 3.3V-Always, 5V-Always
* Adjustable synchronous switcher, 5V
* 80% Vin
* 1% internal reference precision
* Current mode with voltage feed-forward
* Precision current limit option
* Charge pump works at all load

Applications

* LCD PCs
* Notebook PCs and PDAs
* Hand-held portable instruments Block Diagram Vin = 16
* 22V 1 3.3V-Always 5V-Always 2 3 FAN5232 4 SDWN SDNADJ PWRGD 5 6 7 14 13 12 11 10 9 8 + 12V @ 8A REV. 1.1.1 10/7/02 FAN5232 PRODUCT SPECIFICATION Pin Assignments VBATT 3V_A

FAN5232 Distributors

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FAN5232 Adjustable PWM Buck Controller Fairchild Semiconductor

Fairchild Semiconductor FAN5232-like datasheet