Datasheet > LM2576TV-5.0

LM2576TV-5.0

更新时间： 2024-11-15 11:34:07

品牌	Logo	应用领域
其他 - ETC		稳压器开关
页数	文件大小	规格书
9页	753K
描述
3.0A, 15V, Step-Down Switching Regulator

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LM2576TV-5.0 数据手册

LM2576

3.0A, 15V, Step-Down Switching Regulator

FEATURES

3.3V, 5.0V, 12V, 15V, and Adjustable Output Versions

Adjustable Version Output Voltage Range, 1.23 to 37V

+/- 4% AG10Maximum Over Line and Load Conditions

Guaranteed 3.0A Output Current

TO-220

Wide Input Voltage Range

Requires Only 4 External Components

52kHz Fixed Frequency Internal Oscillator

TTL Shutdown Capability, Low Power Standby Mode

High Efficiency

TO-220V

Uses Readily Available Standard Inductors

Thermal Shutdown and Current Limit Protection

Moisture Sensitivity Level(MSL) Equals1

TO-263(D2)

Applications

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 LM2576 series of regulators are monolithic integrated

circuits ideally suited for easy and convenient design of a

step-down switching regualtor(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, 15V,

and an adjustable output version.

Device

Marking

Package

TO-220

TO-220V

TO-263

LM2576T-X.X

LM2576TV-X.X LM2576T-X.X

LM2576R LM2576R-X.X

These regulatiors were designed to minimize the number of externalcomponents to simplify the

power supply design. Standard series of inductors optimized for use with the LM2576 are offered

by several different inductor manufacturers.

Since the LM2576 converter is a switch-mode power supply, its efficiency is significantly higher in

comparison with popular three-terminal limear reguators, 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 LM2576 are

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

switch-mode power supplies. The LM2576 features include a guaranteed +/- 4% tolerance

on output voltage within specified input voltages and output load conditions, and +/-10% on the

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

External shutdown is included, featuring 80 Ua(typical) standby current. The output switch includes

cycle-bycycle current limiting, as well as thermal shutdown for full protection under fault conditions.

HTC

12 3 4 5 6 7...9

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与LM2576TV-5.0相关器件

型号	品牌	获取价格	描述	数据表
LM2576TV-5G	ONSEMI	获取价格	3.0 A, 15 V, Step−Down Switching Regulator
LM2576TV-ADJ	MOTOROLA	获取价格	Easy Switcher 3.0A Step-Down Voltage Regulator
LM2576TV-ADJ	ONSEMI	获取价格	EASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATOR
LM2576TV-ADJG	ONSEMI	获取价格	3.0 A, 15 V, Step−Down Switching Regulator
LM2576TV-AJD	MOTOROLA	获取价格	EASY SWITCHERE⑩ 3.0 A STEP-DOWN VOLTAGE REGUL
LM2576WT	MICREL	获取价格	52kHz Simple 3A Buck Regulator
LM2576WU	MICREL	获取价格	52kHz Simple 3A Buck Regulator
LM2576WUTR	MICREL	获取价格	7.5A SWITCHING REGULATOR, 63kHz SWITCHING FREQ-MAX, PSSO5, ROHS COMPLIANT, TO-263, 5 PIN
LM2576WU-TR	MICROCHIP	获取价格	7.5A SWITCHING REGULATOR, 63kHz SWITCHING FREQ-MAX, PSSO5
LM2577	NSC	获取价格	SIMPLE SWITCHER Step-Up Voltage Regulator

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