LD7129 Datasheet - Leadtrend

LD7129, Single Synchronous Buck PWM and Linear Power Controller

LD7129 8/27/2004 Single Synchronous Buck PWM and Linear Power Controller General .
The LD7129 consists of the dual-output power controller and the protection circuits in a single SOP-14 packaged chip for the graphic card and other ap.

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Datasheet Details

Part number:

LD7129

Manufacturer:

Leadtrend

File Size:

233.68 KB

Description:

Single Synchronous Buck PWM and Linear Power Controller

Features

* Controller Operates from 5V and 12V
* Drive Two N-channel MOSFETs for Switching Buck Converter
* Drive a N-channel MOSFET on Linear Output
* Fixed 600KHz Constant Switching Frequency
* Full Range 0~100% Duty-cycle
* Internal Soft-start
* Fast

Applications

* The dual-output power controller provides the regulation on a synchronous rectified buck converter by driving 2 N-MOSFETs and one N-MOSFET in a linear configuration. The synchronous rectified buck converter provides simple, single feedback loop, voltage mode control with fast transient response. In

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LD7129 Single Synchronous Buck PWM and Linear Power Controller Leadtrend

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