Part LD7129
Description Single Synchronous Buck PWM and Linear Power Controller
Manufacturer Leadtrend
Size 233.68 KB
Leadtrend
LD7129

Overview

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 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.

  • 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 Transient Response
  • UVP Monitoring on Both Outputs
  • Internal 0.8V Reference Voltage.