Datasheet > LM26001B

LM26001B

更新时间： 2024-11-23 11:13:27

品牌	Logo	应用领域
德州仪器 - TI		开关稳压器
页数	文件大小	规格书
31页	748K
描述
具有高效睡眠模式的 1.5A 开关稳压器

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LM26001B 数据手册

LM26001B

www.ti.com

SNVS491B –MAY 2007–REVISED APRIL 2013

LM26001B 1.5A Switching Regulator with High Efficiency Sleep Mode

Check for Samples: LM26001B

FEATURES

DESCRIPTION

The LM26001B is a switching regulator designed for

the high efficiency requirements of applications with

stand-by modes. The device features a low-current

sleep mode to maintain efficiency under light-load

conditions and current-mode control for accurate

regulation over a wide input voltage range. Quiescent

current is reduced to 10 µA typically in shutdown

mode and less than 40 µA in sleep mode. Forced

PWM mode is also available to disable sleep mode.

•

High Efficiency Sleep Mode

40 µA Typical Iq in Sleep Mode

10 µA Typical Iq in Shutdown Mode

3.0V Minimum Input Voltage

4.0V to 18V Continuous Input Range

2.0% Reference Accuracy

Cycle-by-Cycle Current Limit

Adjustable Frequency (150 kHz to 500 kHz)

Synchronizable to an External Clock

Power Good Flag

The LM26001B can deliver up to 1.5A of continuous

load current with a fixed current limit, through the

internal N-channel switch. The part has a wide input

voltage range of 4.0V to 18V and can operate with

input voltages as low as 3V during line transients.

Forced PWM Function

Adjustable Soft-Start

Operating frequency is adjustable from 150 kHz to

HTSSOP-16 Exposed Pad Package

Thermal Shut Down

500 kHz with

a single resistor and can be

synchronized to an external clock.

Other features include Power good, adjustable soft-

start, enable pin, input under-voltage protection, and

an internal bootstrap diode for reduced component

count.

APPLICATIONS

•

Automotive Telematics

Navigation Systems

In-Dash Instrumentation

Battery Powered Applications

Stand-by Power for Home Gateways/Set-Top

Boxes

Typical Application Circuit

VIN

VBIAS

VOUT

PGOOD

BOOT

LM26001B

SYNC

VDD

COMP

SYNC

FREQ

FPWM

VDD

GND

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...31

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与LM26001B相关器件

型号	品牌	获取价格	描述	数据表
LM26001BMH	NSC	获取价格	1.5A Switching Regulator with High Efficiency Sleep Mode
LM26001BMH/NOPB	NSC	获取价格	IC 3.2 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO16, ROHS COMPLIANT, PLASTIC,
LM26001BMH/NOPB	TI	获取价格	具有高效睡眠模式的 1.5A 开关稳压器 \| PWP \| 16 \| -40 to 125
LM26001BMHX	NSC	获取价格	1.5A Switching Regulator with High Efficiency Sleep Mode
LM26001BMHX/NOPB	NSC	获取价格	IC 3.2 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO16, ROHS COMPLIANT, PLASTIC,
LM26001BMHX/NOPB	TI	获取价格	具有高效睡眠模式的 1.5A 开关稳压器 \| PWP \| 16 \| -40 to 125
LM26001EM	NSC	获取价格	1.5A Switching Regulator with High Efficiency Sleep MODE
LM26001MXA	NSC	获取价格	1.5A Switching Regulator with High Efficiency Sleep MODE
LM26001MXA/NOPB	TI	获取价格	LM26001/-Q1 1.5-A Switching Regulator With High-Efficiency Sleep Mode
LM26001MXAX	NSC	获取价格	1.5A Switching Regulator with High Efficiency Sleep MODE

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