Datasheet > LMR22007YYZFR

LMR22007YYZFR

更新时间： 2024-11-23 12:06:03

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
24页	2132K
描述
LMR22007 2.7V - 20V, 750mA Step-Down Converter with Adjustable Input Current Limit

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LMR22007YYZFR 数据手册

LMR22007

www.ti.com

SNVS985A –OCTOBER 2013–REVISED OCTOBER 2013

LMR22007 2.7V - 20V, 750mA Step-Down Converter with Adjustable Input Current Limit

Check for Samples: LMR22007

FEATURES

APPLICATIONS

•

High efficiency

Greater than 90% at 12 V_INto 5 V_OUT

•

3.3V, 5V and 12V Interface

–

POL Supply from Single or Multiple Li-Ion

Battery

•

Adjustable input current limit from 150mA to

600mA

•

Solid-State Disk Drives

•

Input voltage range: 2.7V to 20V

LDO Replacement

Adjustable output voltage from 0.9V to 5.5V

Up to 750 mA output current

Mobile PC’s, Tablet, Modems, Cameras

DESCRIPTION

Ultra low quiescent current (18µA typical)

Ultra low shutdown current (300nA typical)

< +/-2% V_OUTripple at no load

The LMR22007 is a switching regulator designed for

the high-efficiency requirement of applications with

stand-by and shut-down modes. The device features

a low-current mode to maintain efficiency under light-

load conditions, and an adaptive on-time control

architecture for fast transient response.

< +/-1% V_OUTripple at full load

Internal compensation, Soft-start and Thermal

Shutdown

Solution size less than 26mm²

The LMR22007 can deliver up to 750mA of

continuous load current with an adjustable input

current limit. The device has a wide input voltage

range of 2.7V to 20V, and supports V_INtransients to

24V. Other features include internal compensation,

internal soft start, input under-voltage protection,

internal bootstrap diode, and thermal shutdown.

•

–

Low BOM count with small external

components

•

Wafer Chip Scale Package (WCSP)

Light load power save mode

Set frequency of 2.1 MHz (typical)

TYPICAL APPLICATION

Cin

10µF

Cout

22µF

Vin

4.5 ± 20V

Vout

3.3V

VIN

PGND

2.2µH

ILIM

Rlim

200kꢀ

AGND

VOUTS

Rfbb

Rfbt

100kꢀ 267kꢀ

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.

DCS-Control is a trademark of Texas Instruments.

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...24

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LMR22007YYZFR 替代型号

型号	品牌	替代类型	描述	数据表
LMR22007YYZFT	TI	类似代替	LMR22007 2.7V - 20V, 750mA Step-Down Converter with Adjustable Input Current Limit

与LMR22007YYZFR相关器件

型号	品牌	获取价格	描述	数据表
LMR22007YYZFT	TI	获取价格	LMR22007 2.7V - 20V, 750mA Step-Down Converter with Adjustable Input Current Limit
LMR23610	TI	获取价格	SIMPLE SWITCHER 36V、1A 同步降压转换器
LMR23610ADDA	TI	获取价格	SIMPLE SWITCHER 36V、1A 同步降压转换器 \| DDA \| 8 \| -4
LMR23610ADDAR	TI	获取价格	SIMPLE SWITCHER 36V、1A 同步降压转换器 \| DDA \| 8 \| -4
LMR23610AQDDAQ1	TI	获取价格	通过汽车级认证的 SIMPLE SWITCHER 4V 至 36V、1A 同步降压转换器
LMR23610AQDDARQ1	TI	获取价格	通过汽车级认证的 SIMPLE SWITCHER 4V 至 36V、1A 同步降压转换器
LMR23610-Q1	TI	获取价格	通过汽车级认证的 SIMPLE SWITCHER 4V 至 36V、1A 同步降压转换器
LMR23615	TI	获取价格	SIMPLE SWITCHER® 36V、1.5A 同步降压转换器
LMR23615DRRR	TI	获取价格	SIMPLE SWITCHER® 36V、1.5A 同步降压转换器 \| DRR \| 12
LMR23615DRRT	TI	获取价格	SIMPLE SWITCHER® 36V、1.5A 同步降压转换器 \| DRR \| 12

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