Datasheet > LM5051MAX/NOPB

LM5051MAX/NOPB

更新时间： 2024-10-02 11:07:07

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
17页	291K
描述
-6V 至 -100V、690uA IQ ORing FET 控制器 \| D \| 8 \| -40 to 125

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LM5051MAX/NOPB 数据手册

June 15, 2012

LM5051

Low Side OR-ing FET Controller

General Description

Features

The LM5051 Low Side OR-ing FET Controller operates in

conjunction with an external MOSFET as an ideal diode rec-

tifier when connected in series with a power source. This OR-

ing controller allows MOSFETs to replace diode rectifiers in

power distribution networks thus reducing both power loss

and voltage drops.

Wide operating input voltage range: -6V to -100V

■

-100V Transient Capability

Gate drive for external N-Channel MOSFET

MOSFET diagnostic test mode

Fast 50ns response to current reversal

2A peak gate turn-off current

The LM5051 controller provides gate drive for an external N-

Channel MOSFET and a fast response comparator to turn off

the FET when current flows in the reverse direction. The

LM5051 can connect power supplies ranging from -6V to

-100V and can withstand transients up to -100V.

Package: SOIC-8 Narrow

Applications

Active OR-ing of Redundant (N+1) Power Supplies

■

The LM5051 also provides a FET test diagnostic mode which

allows the system controller to test for shorted MOSFETs.

Typical Application Circuits

30147701

FIGURE 1. Full Application with MOSFET Diagnostic

30147702

FIGURE 2. Typical Redundant Supply Configuration

301477 SNVS702C

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12 3 4 5 6 7...17

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LM5051MAX/NOPB 替代型号

型号	品牌	替代类型	描述	数据表
LM5051MAE/NOPB	TI	完全替代	-6V 至 -100V、690uA IQ ORing FET 控制器 \| D
TPS2412DR	TI	类似代替	N1 and ORing Power Rail Controller
TPS2412D	TI	类似代替	N1 and ORing Power Rail Controller

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