Datasheet > LM2596T

LM2596T

更新时间： 2024-11-18 12:03:43

品牌	Logo	应用领域
韩国泰进 - HTC		稳压器开关
页数	文件大小	规格书
8页	408K
描述
3.0A, 150kHz, Step-Down Switching Regulator

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中文翻译

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数据手册

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LM2596T 数据手册

3.0A, 150kHz, Step-Down Switching Regulator

LM2596

FEATURES

TO-220 PKG

3.3V, 5.0V, 12V, and Adjustable Output Versions

Adjustable Version Output Voltage Range, 1.2 to 37V

+/- 4%. Maximum Over Line and Load Conditions

Guaranteed 3.0A Output Current

Wide Input Voltage Range

Requires Only 4 External Components

150kHz Fixed Frequency Internal Oscillator

TTL Shutdown Capability, Low Power Standby Mode

High Efficiency

TO-220V PKG

Uses Readily Available Standard Inductors

Thermal Shutdown and Current Limit Protection

Moisture Sensitivity Level 3

Applications

TO-263 PKG

Simple High-Efficiency Step-Down(Buck) Regulator

Efficient Pre-Regulator for Linear Regulators

On-Card Switching Regulators

Positive to Negative Converter(Buck-Boost)

Negative Step-Up Converters

1. Vin 2. Output 3. Ground

4. Feedback 5. On/Off

Power Supply for Battery Chargers

DESCRIPTION

ORDERING INFORMATION

The LM2596 series of regulators are monolithic integrated

circuits ideally suited for easy and convenient design of a

step-down switching regulator(buck converter).

All circuits of this series are capable of driving a 3.0A load

with excellent line and load regulation. These devices are

available in fixed output voltages of 3.3V, 5.0V,12V,

and an adjustable output version.

Device

LM2596T-X.X

LM2596TV-X.X

LM2596R

Marking

Package

TO-220

TO-220V

TO-263

LM2596-X.X

These regulators were designed to minimize the number of external components to simplify the

power supply design. Standard series of inductors optimized for use with the LM2596 are offered

by several different inductor manufacturers.

Since the LM2596 converter is a switch-mode power supply, its efficiency is significantly higher in

comparison with popular three-terminal limear regulators, especially with higher input voltages.

In many cases, the power dissipated is so low that no heatsink is required or its size could

be reduced dramatically. A standard series of inductors optimized for use with the TJ2596 are

available from several different manufacturers. This feature greatly simplifies the design of

switch-mode power supplies. The LM2596 features include a guaranteed +/- 4% tolerance

on output voltage within specified input voltages and output load conditions, and +/-15% on the

oscillator frequency (+/- 2% over 0℃ to 125℃).

External shutdown is included, featuring 80㎂ (typical) standby current. Self protection features include

a two stage frequency reducing current limit for output switch and an over temperature shutdown for complete

protection under fault conditions.

Dec. 2009 - Rev.1.3.1

HTC

− 1 −

12 3 4 5 6 7 8

中文翻译

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与LM2596T相关器件

型号	品牌	获取价格	描述	数据表
LM2596T-12	NSC	获取价格	SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2596T-12	TI	获取价格	SIMPLE SWITCHER Power Converter
LM2596T-12	UMW	获取价格	DC-DC芯片
LM2596T-12/LF03	TI	获取价格	LM2596 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2596T-12/NOPB	TI	获取价格	LM2596 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2596T-15	ETC	获取价格	3.0A, 150Khz, Step-Down Switching Regulator
LM2596T-3.3	TI	获取价格	SIMPLE SWITCHER Power Converter
LM2596T-3.3	NSC	获取价格	SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2596T-3.3	UMW	获取价格	DC-DC芯片
LM2596T-3.3/LF03	TI	获取价格	LM2596 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator

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