Datasheet > LT1936IMS8E-TR

LT1936IMS8E-TR

更新时间： 2024-11-30 05:43:27

品牌	Logo	应用领域
凌特 - Linear		稳压器开关
页数	文件大小	规格书
20页	293K
描述
1.4A, 500kHz Step-Down Switching Regulator

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中文翻译

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数据手册

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LT1936IMS8E-TR 数据手册

LT1936

1.4A, 500kHz Step-Down

Switching Regulator

FEATURES

DESCRIPTION

The LT^®1936 is a current mode PWM step-down DC/DC

converter with an internal 1.9A power switch, packaged

in a tiny, thermally enhanced 8-lead MSOP. The wide in-

put range of 3.6V to 36V makes the LT1936 suitable for

regulating power from a wide variety of sources, including

automotive batteries, 24V industrial supplies and unregu-

latedwalladapters.Itshighoperatingfrequencyallowsthe

use of small, low cost inductors and ceramic capacitors,

resulting in low, predictable output ripple.

■

Wide Input Range: 3.6V to 36V

■

Short-Circuit Protected Over Full Input Range

■

1.9A Guaranteed Minimum Switch Current

■

5V at 1.4A from 10V to 36V Input

■

3.3V at 1.4A from 7V to 36V Input

■

5V at 1.2A from 6.3V to 36V Input

■

3.3V at 1.2A from 4.5V to 36V Input

■

Output Adjustable Down to 1.20V

■

500kHz Fixed Frequency Operation

■

Soft-Start

Cycle-by-cycle current limit, frequency foldback and

thermal shutdown provide protection against shorted

outputs, and soft-start eliminates input current surge

during start-up. Transient response can be optimized by

usingexternalcompensationcomponents,orboardspace

can be minimized by using internal compensation. The

low current (<2μA) shutdown mode enables easy power

management in battery-powered systems.

■

Uses Small Ceramic Capacitors

■

Internal or External Compensation

■

Low Shutdown Current: <2μA

■

Thermally Enhanced 8-Lead MSOP Package

APPLICATIONS

■

Automotive Battery Regulation

L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other

trademarks are the property of their respective owners.

■

Industrial Control Supplies

■

Unregulated Wall Adapters

TYPICAL APPLICATION

3.3V Step-Down Converter

Efﬁciency

= 12V

4.5V TO 36V

= 5V

OUT

0.22μF

BOOST

10μH

17.4k

3.3V

1.2A

OUT

SHDN

ON OFF

= 3.3V

OUT

LT1936

4.7μF

COMP

GND

10k

22μF

1936 TA01a

0.5

1.5

LOAD CURRENT (A)

1936 TA01b

1936fd

12 3 4 5 6 7...20

中文翻译

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与LT1936IMS8E-TR相关器件

型号	品牌	获取价格	描述	数据表
LT1936IMS8E-TRPBF	Linear	获取价格	1.4A, 500kHz Step-Down Switching Regulator
LT1937	Linear	获取价格	White LED Step-Up Converter in SC70 and ThinSOT
LT1937	ADI	获取价格	采用 SC70 和 ThinSOT 封装的白光 LED 升压型变换器
LT1937ES5	Linear	获取价格	White LED Step-Up Converter in SC70 and ThinSOT
LT1937ES5#PBF	Linear	获取价格	LT1937 - White LED Step-Up Converter in SC70 and ThinSOT; Package: SOT; Pins: 5; Temperatu
LT1937ES5#TR	Linear	获取价格	LT1937 - White LED Step-Up Converter in SC70 and ThinSOT; Package: SOT; Pins: 5; Temperatu
LT1937ES5#TRM	Linear	获取价格	LT1937 - White LED Step-Up Converter in SC70 and ThinSOT; Package: SOT; Pins: 5; Temperatu
LT1937ES5#TRMPBF	Linear	获取价格	LT1937 - White LED Step-Up Converter in SC70 and ThinSOT; Package: SOT; Pins: 5; Temperatu
LT1937ESC6	Linear	获取价格	White LED Step-Up Converter in SC70 and ThinSOT
LT1937ESC6#PBF	Linear	获取价格	LT1937 - White LED Step-Up Converter in SC70 and ThinSOT; Package: SC70; Pins: 6; Temperat

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