L6726A(2007) 数据手册 ( 数据表 ) - STMicroelectronics

Description

   L6726A is a single-phase step-down controller with integrated high-current drivers that provides complete control logic, protections and reference voltage to realize in an easy and simple way general DC-DC converters by using a compact SO-8 package.

Feature

◾ Flexible power supply from 5V to 12V

◾ Power conversion input as low as 1.5V

◾ 1% output voltage accuracy

◾ High-current integrated drivers

◾ Adjustable output voltage

◾ 0.8V internal reference

◾ Sensorless and programmable OCP across

   Low-side RdsON

◾ Oscillator internally fixed at 270kHz

◾ Programmable soft-start

◾ LS-LESS start up

◾ Disable function

◾ FB disconnection protection

◾ SO-8 package

Applications

◾ Subsystem power supply (MCH, IOCH, PCI...)

◾ Memory and termination Supply

◾ CPU & DSP power supply

◾ Distributed power supply

◾ General DC / DC converters