L6726ATR datasheet(1/35 Pages) STMICROELECTRONICS

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1 / 35 page

March 2010

Doc ID 12754 Rev 4

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35

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

■ 0.8 V internal reference

■ Sensorless and programmable OCP across

Low-side RdsON

■ Oscillator internally fixed at 270 kHz

■ 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 and DSP power supply

■ Distributed power supply

■ General DC / DC converters

Table 1.

Device summary

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.

Device flexibility allows managing conversions

with power input VIN 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

variations. Oscillator is internally fixed to 270 kHz.

L6726A provides programmable over current

protection. Current information is monitored

across the low-side MOSFET RdsON saving the

use of expensive and space-consuming sense

resistors.

FB disconnection protection prevents excessive

and dangerous output voltages in case of floating

FB pin.

SO-8

Order codes

Package

Packaging

L6726A

SO-8

Tube

L6726ATR

SO-8

Tape and reel

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Số phần tương tự - L6726ATR

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	L6726ATR	436Kb / 24P	Single phase PWM controller 26-Oct-2006
STMicroelectronics	L6726ATR	464Kb / 24P	Single phase PWM controller 30-Jul-2007

More results

Mô tả tương tự - L6726ATR

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	L6726A	436Kb / 24P	Single phase PWM controller 26-Oct-2006
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	L6726A	464Kb / 24P	Single phase PWM controller 30-Jul-2007
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Diodes Incorporated	AP3581A	756Kb / 13P	SINGLE PHASE SYNCHRONOUS BUCK PWM CONTROLLER November 2018 Rev. 2 - 4

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