Datasheet > LM2595_13

LM2595_13

更新时间： 2024-09-15 12:56:35

品牌	Logo	应用领域
德州仪器 - TI		转换器稳压器
页数	文件大小	规格书
41页	3916K
描述
SIMPLE SWITCHERÂ® Power Converter 150 kHz 1A Step-Down Voltage Regulator

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LM2595_13 数据手册

LM2595

www.ti.com

SNVS122B –MAY 1999–REVISED APRIL 2013

LM2595 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator

Check for Samples: LM2595

FEATURES

DESCRIPTION

The LM2595 series of regulators are monolithic

integrated circuits that provide all the active functions

for a step-down (buck) switching regulator, capable of

driving a 1A load with excellent line and load

regulation. These devices are available in fixed output

voltages of 3.3V, 5V, 12V, and an adjustable output

version.

•

3.3V, 5V, 12V, and Adjustable Output Versions

•

Adjustable Version Output Voltage Range,

1.2V to 37V ±4% Max Over Line and Load

Conditions

Available in TO-220 and TO-263 (Surface

Mount) Packages

•

Ensured 1A Output Load Current

Input Voltage Range Up to 40V

Requiring

minimum number of external

components, these regulators are simple to use and

include internal frequency compensation†, and a

fixed-frequency oscillator.

Requires Only 4 External Components

Excellent Line and Load Regulation

Specifications

The LM2595 series operates at a switching frequency

of 150 kHz thus allowing smaller sized filter

components than what would be needed with lower

•

150 kHz Fixed Frequency Internal Oscillator

TTL Shutdown Capability

frequency switching regulators. Available in

standard 5-lead TO-220 package with several

different lead bend options, and a 5-lead TO-263

surface mount package. Typically, for output voltages

less than 12V, and ambient temperatures less than

50°C, no heat sink is required.

Low Power Standby Mode, I_QTypically 85 μA

High Efficiency

Uses Readily Available Standard Inductors

Thermal Shutdown and Current Limit

Protection

A standard series of inductors are available from

several different manufacturers optimized for use with

the LM2595 series. This feature greatly simplifies the

design of switch-mode power supplies.

APPLICATIONS

•

Simple High-Efficiency Step-Down (Buck)

Regulator

Other features include an ensured ±4% tolerance on

output voltage under specified input voltage and

output load conditions, and ±15% on the oscillator

frequency. External shutdown is included, featuring

typically 85 μA stand-by current. Self protection

features include a two stage frequency reducing

current limit for the output switch and an over

temperature shutdown for complete protection under

fault conditions.

•

Efficient Pre-Regulator for Linear Regulators

On-Card Switching Regulators

Positive to Negative Converter

† Patent Number 5,382,918.

Typical Application

(Fixed Output Voltage Versions)

Connection Diagrams

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.

SIMPLE SWITCHER, Switchers Made Simple are registered trademarks of Texas Instruments.

All other 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...41

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与LM2595_13相关器件

型号	品牌	获取价格	描述	数据表
LM2595_17	TI	获取价格	SIMPLE SWITCHER Power Converter 150-kHz 1-A Step-Down Voltage Regulator
LM2595-3.3MDC	NSC	获取价格	IC 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, DIE, Switching Regulator or
LM2595-3.3MWC	NSC	获取价格	IC 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, WAFER, Switching Regulator
LM2595-5.0MDC	NSC	获取价格	IC 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, DIE, Switching Regulator or
LM2595-5.0MWC	NSC	获取价格	IC 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, WAFER, Switching Regulator
LM2595DSADJG	ONSEMI	获取价格	1.0 A, Step-Down Switching Regulator
LM2595DSADJR4G	ONSEMI	获取价格	1.0 A, Step-Down Switching Regulator
LM2595J-12-QML	NSC	获取价格	SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
LM2595J-12-QML(5962-96502	NSC	获取价格	SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
LM2595J-3.3-QML	NSC	获取价格	SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator

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