Datasheet > LTC4373IMS8

LTC4373IMS8

更新时间： 2024-02-28 16:52:55

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	1410K
描述
Low Quiescent Current Ideal Diode Controller

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中文翻译

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数据手册

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LTC4373IMS8 数据手册

LTC4372/LTC4373

Low Quiescent Current Ideal Diode Controller

FEATURES

DESCRIPTION

The LTC^®4372/LTC4373 are positive high voltage ideal

diode controllers that drive an external N-channel

MOSFET to replace a Schottky diode. They control the

forward voltage drop across the MOSFET to ensure cur-

rent delivery or current transfer from one path to the other

even at light loads.

Reduces Power Dissipation by Replacing a Power

Schottky Diode

Low Quiescent Current: 5µA Operating, 0.5µA

Shutdown

Wide Operating Voltage Range: 2.5V to 80V

Reverse Supply Protection to –28V

High Side External N-Channel MOSFET Drive

Drives Back-to-Back MOSFETs for Inrush Control and

Load Switching

A 5µA operating current achieves high efficiency for inter-

mittent load applications or always-on backup power sup-

plies. If a power source fails or is shorted, a fast turn-

off minimizes reverse current transients. The LTC4372/

LTC4373 control back-to-back N-channel MOSFETs for

inrush current control and load switching.

Fast Reverse Current Turn-Off within 1.5µs

8-Lead MSOP and 3mm × 3mm DFN Packages

APPLICATIONS

The LTC4372 shutdown function reduces the quiescent

current to 0.5µA. The LTC4373 has a UV pin for undervolt-

age monitoring while the UVOUT pin provides hysteresis

adjustment and status information. During undervoltage,

the back-to-back MOSFETs are cut off and quiescent cur-

rent reduces to 0.5μA.

Automotive Battery Protection

Redundant Power Supplies

Portable Instrumentation

Solar Powered Systems

Energy Harvesting Applications

All registered trademarks and trademarks are the property of their respective owners.

Supply Holdup

TYPICAL APPLICATION

12V, 20A Reverse Battery Protection

Power Dissipation vs Load Current

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Rev. 0

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与LTC4373IMS8相关器件

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