Datasheet > LM5002_09

LM5002_09

更新时间： 2024-09-26 05:42:23

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	353K
描述
High Voltage Switch Mode Regulator

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LM5002_09 数据手册

March 9, 2009

LM5002

High Voltage Switch Mode Regulator

General Description

Features

The LM5002 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 0.5 Amp peak current

limit. Current mode control provides inherently simple loop

compensation and line-voltage feed-forward for superior re-

jection of input transients. The switching frequency is set with

a single resistor and is programmable up to 1.5MHz. The os-

cillator can also be synchronized to an external clock. Addi-

tional protection features include: current limit, thermal

shutdown, under-voltage lockout and remote shutdown ca-

pability. 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

30004501

Boost Regulator Application Schematic

300045

www.national.com

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LM5002MAX/NOPB	TI	获取价格	High Voltage Switch Mode Regulator
LM5002SD	NSC	获取价格	High Voltage Switch Mode Regulator
LM5002SD/NOPB	NSC	获取价格	IC 0.6 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, DSO8, 4 X 4 MM, ROHS COMPLIANT,
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