Datasheet > LTC1255

LTC1255

更新时间： 2023-12-20 18:46:23

品牌	Logo	应用领域
亚德诺 - ADI		驱动高压驱动器 MOSFET驱动器
页数	文件大小	规格书
16页	287K
描述
双通道、24V 高压侧 MOSFET 驱动器

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LTC1255 数据手册

LTC1255

Dual 24V High-Side

MOSFET Driver

DESCRIPTIO

EATURE

■

Fully Enhances N-Channel Power MOSFETs

12µA Standby Current

Operates at Supply Voltages from 9V to 24V

Short Circuit Protection

Easily Protected Against Supply Transients

Controlled Switching ON and OFF Times

No External Charge Pump Components

Compatible With Standard Logic Families

Available in 8-Pin SOIC

The LTC1255 dual high-side driver allows using low

cost N-channel FETs for high-side industrial and auto-

motiveswitchingapplications.Aninternalchargepump

boosts the gate drive voltage above the positive rail,

fully enhancing an N-channel MOS switch with no

external components. Low power operation, with 12µA

standby current, allows use in virtually all systems with

maximum efficiency.

Included on-chip is independent overcurrent sensing

toprovideautomaticshutdownincaseofshortcircuits.

A time delay can be added to the current sense to

prevent false triggering on high in-rush current loads.

O U

PPLICATI

■

Solenoid Drivers

DC Motor Drivers

Stepper Motor Drivers

Lamp Drivers/Dimmers

Relay Drivers

Low Frequency H-Bridge

P-Channel Switch Replacement

The LTC1255 operates from 9V to 24V supplies and is

well suited for industrial and automotive applications.

The LTC1255 is available in both an 8-pin DIP and an

8-pin SOIC.

TYPICAL APPLICATI

Dual 24V High-Side Switch with Overcurrent Protection

Standby Supply Current

24V

= V = 0V

IN2

IN1

10µF

= 25°C

0.036Ω

DS1

DS2

IRLR024

LTC1255

GND

IN1

IN2

12V

FROM

µP, ETC.

FROM

µP, ETC.

24V/0.5A

SOLENOID

24V/0.5A

SOLENOID

1N4001

LTC1255 • TA01

SUPPLY VOLTAGE (V)

LTC1255 • TA02

12 3 4 5 6 7...16

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