Datasheet > LM5000-3MTCX

LM5000-3MTCX

更新时间： 2024-01-26 19:18:43

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High Voltage Switch Mode Regulator

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LM5000-3MTCX 数据手册

LM5000

www.ti.com

SNVS176D –MAY 2004–REVISED MARCH 2007

LM5000 High Voltage Switch Mode Regulator

Check for Samples: LM5000

FEATURES

DESCRIPTION

The LM5000 is

a monolithic integrated circuit

•

80V Internal Switch

specifically designed and optimized for flyback, boost

or forward power converter applications. The internal

power switch is rated for a maximum of 80V, with a

current limit set to 2A. Protecting the power switch

are current limit and thermal shutdown circuits. The

current mode control scheme provides excellent

rejection of line transients and cycle-by-cycle current

limiting. An external compensation pin and the built-in

slope compensation allow the user to optimize the

frequency compensation. Other distinctive features

include softstart to reduce stresses during start-up

and an external shutdown pin for remote ON/OFF

control. There are two operating frequency ranges

available. The LM5000-3 is pin selectable for either

300kHz (FS Grounded) or 700kHz (FS Open). The

LM5000-6 is pin selectable for either 600kHz (FS

Grounded) or 1.3MHz (FS Open). The device is

available in a low profile 16-lead TSSOP package or

a thermally enhanced 16-lead WSON package.

Operating Input Voltage Range of 3.1V to 40V

Pin Selectable Operating Frequency

–

300kHz/700kHz (-3)

600kHz/1.3MHz (-6)

•

Adjustable Output Voltage

External Compensation

Input Undervoltage Lockout

Softstart

Current Limit

Over Temperature Protection

External Shutdown

Small 16-Lead TSSOP or 16-Lead WSON

Package

APPLICATIONS

•

Flyback Regulator

Forward Regulator

Boost Regulator

DSL Modems

Distributed Power Converters

Typical Application Circuit

Figure 1. LM5000 Flyback Converter

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...24

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LM5000-3MTCX 替代型号

型号	品牌	替代类型	描述	数据表
LM5000-3MTC	TI	类似代替	High Voltage Switch Mode Regulator
LM5000-3MTCX/NOPB	TI	类似代替	High Voltage Switch Mode Regulator

与LM5000-3MTCX相关器件

型号	品牌	获取价格	描述	数据表
LM5000-3MTCX/NOPB	TI	获取价格	High Voltage Switch Mode Regulator
LM5000-3MTCXEP	NSC	获取价格	High Voltage Switch Mode Regulator
LM5000EP	NSC	获取价格	Enhanced Plastic High Voltage Switch Mode Regulator
LM5000SD-3	NSC	获取价格	High Voltage Switch Mode Regulator
LM5000SD-3/NOPB	NSC	获取价格	IC 2.7 A SWITCHING REGULATOR, 840 kHz SWITCHING FREQ-MAX, DSO16, LLP-16, Switching Regulat
LM5000SD-3/NOPB	TI	获取价格	High Voltage Switch Mode Regulator
LM5000SD-3EP	NSC	获取价格	High Voltage Switch Mode Regulator
LM5000SD-6	NSC	获取价格	High Voltage Switch Mode Regulator
LM5000SD-6/NOPB	TI	获取价格	High Voltage Switch Mode Regulator
LM5000SD-6EP	NSC	获取价格	High Voltage Switch Mode Regulator

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