Datasheet > LM5017_15

LM5017_15

更新时间： 2024-11-17 01:08:51

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德州仪器 - TI		/
页数	文件大小	规格书
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100-V, 600-mA Constant On-Time Synchronous Buck Regulator

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LM5017

SNVS783I –JANUARY 2012–REVISED OCTOBER 2015

LM5017 100-V, 600-mA Constant On-Time Synchronous Buck Regulator

1 Features

3 Description

The LM5017 is a 100-V, 600-mA synchronous step-

down regulator with integrated high side and low side

MOSFETs. The constant on-time (COT) control

scheme employed in the LM5017 requires no loop

compensation, provides excellent transient response,

and enables very high step-down ratios. The on-time

varies inversely with the input voltage resulting in

nearly constant frequency over the input voltage

range. A high voltage startup regulator provides bias

power for internal operation of the IC and for

integrated gate drivers.

•

Wide 7.5-V to 100-V Input Range

•

Integrated 100-V High-Side,

and Low-Side Switches

•

No Schottky Required

Constant On-Time Control

No Loop Compensation Required

Ultra-Fast Transient Response

Nearly Constant Operating Frequency

Intelligent Peak Current Limit

Adjustable Output Voltage From 1.225 V

Precision 2% Feedback Reference

Frequency Adjustable to 1 MHz

Adjustable Undervoltage Lockout (UVLO)

Remote Shutdown

A peak current limit circuit protects against overload

conditions. The undervoltage lockout (UVLO) circuit

allows the input undervoltage threshold and

hysteresis to be independently programmed. Other

protection features include thermal shutdown and

bias supply undervoltage lockout (V_CCUVLO).

The LM5017 device is available in WSON-8 and

HSOP PowerPAD-8 plastic packages.

Thermal Shutdown

Packages:

Device Information⁽¹⁾

–

WSON-8

SO PowerPAD™-8

PART NUMBER

LM5017

PACKAGE

SO PowerPAD (8)

WSON (8)

BODY SIZE (NOM)

4.89 mm × 3.90 mm

4.00 mm × 4.00 mm

2 Applications

•

Smart Power Meters

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Telecommunication Systems

Automotive Electronics

Isolated Bias Supply

Typical Application

LM5017

7.5V-100V

VIN

BST

VOUT

BST

RON

UV2

VCC

FB2

UVLO

UV1

RTN

OUT

FB1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...31

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与LM5017_15相关器件

型号	品牌	获取价格	描述	数据表
LM5017MR/NOPB	TI	获取价格	100-V, 600-mA Constant On-Time Synchronous Buck Regulator
LM5017MRE/NOPB	TI	获取价格	100-V, 600-mA Constant On-Time Synchronous Buck Regulator
LM5017MRX	TI	获取价格	100V, 600mA Constant On-Time Synchronous Buck Regulator
LM5017MRX/NOPB	TI	获取价格	100-V, 600-mA Constant On-Time Synchronous Buck Regulator
LM5017MRX_NOPB	TI	获取价格	600mA Constant On-Time Synchronous Buck Regulator
LM5017SD/NOPB	TI	获取价格	暂无描述
LM5017SDE/NOPB	TI	获取价格	7.5V-100V 宽输入电压、600mA 恒定导通时间同步降压稳压器 \| NGU \| 8
LM5017SDX/NOPB	TI	获取价格	7.5-100V Wide Vin, 600mA Constant On-Time Synchronous Buck Regulator 8-WSON -40 to 125
LM5018	TI	获取价格	100V, 300mA Constant On-Time Synchronous Buck Regulator
LM5018_13	TI	获取价格	100 V, 300 mA Constant On-Time Synchronous Buck Regulator

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