Datasheet > LM5001_09

LM5001_09

更新时间： 2024-02-17 09:57:40

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器开关高压
页数	文件大小	规格书
18页	378K
描述
High Voltage Switch Mode Regulator

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LM5001_09 数据手册

March 9, 2009

LM5001

High Voltage Switch Mode Regulator

General Description

Features

The LM5001 high voltage switch mode regulator features all

of the functions necessary to implement efficient high voltage

Boost, Flyback, SEPIC and Forward converters, using few

external components. This easy to use regulator integrates a

75 Volt N-Channel MOSFET with a 1 Amp peak current limit.

Current mode control provides inherently simple loop com-

pensation and line-voltage feed-forward for superior rejection

of input transients. The switching frequency is set with a single

resistor and is programmable up to 1.5MHz. The oscillator

can also be synchronized to an external clock. Additional pro-

tection features include: current limit, thermal shutdown, un-

der-voltage lockout and remote shutdown capability. The

device is available in both SO-8 and LLP-8 packages.

Integrated 75 volt N-Channel MOSFET

■

Ultra-wide input voltage range from 3.1V to 75V

Integrated high voltage bias regulator

Adjustable output voltage

■

1.5% output voltage accuracy

Current mode control with selectable compensation

Wide bandwidth error amplifier

Integrated current sensing and limiting

Integrated slope compensation

85% maximum duty cycle limit

Single resistor oscillator programming

Oscillator synchronization capability

Enable / Undervoltage Lockout (UVLO) pin

Thermal shutdown

Packages

SO-8

■

LLP-8 (4mm x 4mm)

■

Typical Application Circuit

20215701

Boost Regulator Application Schematic

202157

www.national.com

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LM5001MA/NOPB	TI	获取价格	High-Voltage Switch-Mode Regulator
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