Datasheet > LM26001_15

LM26001_15

更新时间： 2024-10-03 01:01:23

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德州仪器 - TI		/
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31页	1043K
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LM26001/-Q1 1.5-A Switching Regulator With High-Efficiency Sleep Mode

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LM26001, LM26001-Q1

SNVS430I –MAY 2006–REVISED MARCH 2015

LM26001/-Q1 1.5-A Switching Regulator With High-Efficiency Sleep Mode

1 Features

3 Description

The LM26001 is a switching regulator designed for

the high-efficiency requirements of applications with

standby 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.

•

LM26001-Q1 is an Automotive-Grade Product that

is AEC-Q100 Grade 1 Qualified (–40°C to +125°C

Operating Junction Temperature)

•

High-Efficiency Sleep Mode

40-µA Typical Iq in Sleep Mode

10-µA Typical Iq in Shutdown Mode

3.0-V Minimum Input Voltage

4.0-V to 38-V Continuous Input Range

1.5% Reference Accuracy

The LM26001 can deliver up to 1.5 A of continuous

load current with a fixed current limit, through the

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

voltage range of 4.0 V to 38 V and can operate with

input voltages as low as 3 V during line transients.

Cycle-by-Cycle Current Limit

Adjustable Frequency (150 kHz to 500 kHz)

Synchronizable to an External Clock

Power Good Flag

Operating frequency is adjustable from 150 kHz to

500 kHz with

a single resistor and can be

Forced PWM Function

synchronized to an external clock.

Adjustable Soft-Start

Other features include Power Good, adjustable soft-

start, enable pin, input undervoltage protection, and

an internal bootstrap diode for reduced component

count.

HTSSOP-16 Exposed Pad Package

Thermal Shut Down

2 Applications

Device Information⁽¹⁾

•

Automotive Telematics

Navigation Systems

PART NUMBER

LM26001

PACKAGE

BODY SIZE (NOM)

HTSSOP (16)

5.00 mm x 4.40 mm

In-Dash Instrumentation

Battery-Powered Applications

LM26001-Q1

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

Standby Power for Home Gateways/Set-top

Boxes

Typical Application Circuit

VIN

VBIAS

VOUT

PGOOD

BOOT

LM26001

SYNC

VDD

COMP

SYNC

FREQ

FPWM

VDD

GND

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...31

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与LM26001_15相关器件

型号	品牌	获取价格	描述	数据表
LM26001B	NSC	获取价格	1.5A Switching Regulator with High Efficiency Sleep Mode
LM26001B	TI	获取价格	具有高效睡眠模式的 1.5A 开关稳压器
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

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