Datasheet > L6726A_10

L6726A_10

更新时间： 2024-02-25 20:27:20

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		控制器
页数	文件大小	规格书
35页	989K
描述
Single phase PWM controller

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中文翻译

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数据手册

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L6726A_10 数据手册

L6726A

Single phase PWM controller

Feature

■ Flexible power supply from 5 V to 12 V

■ Power conversion input as low as 1.5 V

■ 1% output voltage accuracy

■ High-current integrated drivers

■ Adjustable output voltage

SO-8

■ 0.8 V internal reference

■ Sensorless and programmable OCP across

Low-side R

Description

dsON

■ Oscillator internally fixed at 270 kHz

■ Programmable soft-start

■ Ls-less start up

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.

■ Disable function

■ FB disconnection protection

■ SO-8 package

Device flexibility allows managing conversions

with power input V as low as 1.5 V and device

supply voltage ranging from 5 V to 12 V.

L6726A provides simple control loop with trans-

conductance error amplifier. The integrated 0.8 V

reference allows regulating output voltage with

1% accuracy over line and temperature

Applications

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

■ Memory and termination supply

■ CPU and DSP power supply

variations. Oscillator is internally fixed to 270 kHz.

L6726A provides programmable over current

protection. Current information is monitored

■ Distributed power supply

across the low-side MOSFET R

saving the

dsON

use of expensive and space-consuming sense

resistors.

■ General DC / DC converters

FB disconnection protection prevents excessive

and dangerous output voltages in case of floating

FB pin.

Table 1.

Device summary

Order codes

Package

Packaging

L6726A

SO-8

Tube

L6726ATR

Tape and reel

March 2010

Doc ID 12754 Rev 4

1/35

www.st.com

12 3 4 5 6 7...35

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