LM5010A

更新时间： 2024-11-26 12:02:15

品牌	Logo	应用领域
德州仪器 - TI		稳压器开关高压
页数	文件大小	规格书
25页	1017K
描述
High-Voltage 1-A Step-Down Switching Regulator

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LM5010A 数据手册

LM5010A

LM5010A-Q1

www.ti.com

SNVS376E –OCTOBER 2005–REVISED FEBRUARY 2013

High-Voltage 1-A Step-Down Switching Regulator

Check for Samples: LM5010A, LM5010A-Q1

FEATURES

APPLICATIONS

•

Wide 6V to 75V Input Voltage Range

•

Non-Isolated Telecommunications Regulator

Valley Current Limiting At 1.25A

Secondary Side Post Regulator

Automotive Electronics

Programmable Switching Frequency Up To 1

MHz

DESCRIPTION

•

Integrated 80V N-Channel Buck Switch

Integrated High Voltage Bias Regulator

No Loop Compensation Required

Ultra-Fast Transient Response

The LM5010A Step-Down Switching Regulator is an

enhanced version of the LM5010 with the input

operating range extended to 6V minimum. The

LM5010A features all the functions needed to

implement

a low cost, efficient, buck regulator

Nearly Constant Operating Frequency With

Line and Load Variations

capable of supplying in excess of 1A load current.

This high voltage regulator integrates an N-Channel

Buck Switch, and is available in thermally enhanced

WSON-10 and HTSSOP-14 packages. The constant

on-time regulation scheme requires no loop

compensation resulting in fast load transient

response and simplified circuit implementation. The

operating frequency remains constant with line and

load variations due to the inverse relationship

between the input voltage and the on-time. The valley

current limit detection is set at 1.25A. Additional

features include: VCC under-voltage lock-out, thermal

shutdown, gate drive under-voltage lock-out, and

maximum duty cycle limiter.

•

Adjustable Output Voltage

2.5V, ±2% Feedback Reference

Programmable Soft-Start

Thermal Shutdown

LM5010AQ is AEC-Q100 Grade 1 and 0

qualified

•

Packages

–

WSON-10 (4 mm x 4 mm)

HTSSOP-14

Both Packages Have Exposed Thermal Pad

For Improved Heat Dissipation

Basic Step-Down Regulator

6V - 75V

Input

VCC

VIN

LM5010A

BST

RON/SD

OUT

SHUTDOWN

ISEN

RTN

SGND

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.

All 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...25

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LM5010A 替代型号

型号	品牌	替代类型	描述	数据表
LM25010	TI	功能相似	6-42V 宽输入电压、1A 恒定导通时间非同步降压稳压器
LM5010	TI	功能相似	High-Voltage 1-A Step-Down Switching Regulator
LM25017	TI	功能相似	48V, 650mA Constant On-Time Synchronous Buck Regulator

与LM5010A相关器件

型号	品牌	获取价格	描述	数据表
LM5010A_14	TI	获取价格	High-Voltage 1-A Step-Down Switching Regulator
LM5010AHMH	NSC	获取价格	High Voltage 1A Step Down Switching Regulator
LM5010AHMHX	NSC	获取价格	High Voltage 1A Step Down Switching Regulator
LM5010AMH	NSC	获取价格	High Voltage 1A Step Down Switching Regulator
LM5010AMH/NOPB	TI	获取价格	High-Voltage 1-A Step-Down Switching Regulator
LM5010AMHE/NOPB	TI	获取价格	High-Voltage 1-A Step-Down Switching Regulator
LM5010AMHX	TI	获取价格	High-Voltage 1-A Step-Down Switching Regulator
LM5010AMHX	NSC	获取价格	High Voltage 1A Step Down Switching Regulator
LM5010AMHX/NOPB	TI	获取价格	High-Voltage 1-A Step-Down Switching Regulator
LM5010AQ0MH/NOPB	TI	获取价格	High-Voltage 1-A Step-Down Switching Regulator

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