Datasheet > LTC1155I

LTC1155I

更新时间： 2024-09-23 22:34:19

品牌	Logo	应用领域
凌特 - Linear		驱动器
页数	文件大小	规格书
16页	344K
描述
Dual High Side Micropower MOSFET Driver

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中文翻译

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数据手册

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LTC1155I 数据手册

LTC1155

Dual High Side

Micropower MOSFET Driver

DESCRIPTIO

EATURE

The LTC^®1155 dual high side gate driver allows using low

cost N-channel FETs for high side switching applications.

An internal charge pump boosts the gate above the posi-

tive rail, fully enhancing an N-channel MOSFET with no

external components. Micropower operation, with 8µA

standbycurrentand85µAoperatingcurrent, allowsusein

virtually all systems with maximum efficiency.

■

Fully Enhances N-Channel Power MOSFETs

8µA Standby Current

85µA ON Current

Short-Circuit Protection

Wide Power Supply Range: 4.5V to 18V

Controlled Switching ON and OFF Times

No External Charge Pump Components

Replaces P-Channel High Side MOSFETs

Compatible with Standard Logic Families

Available in 8-Pin SO Package

Included on-chip is overcurrent sensing to provide auto-

matic shutdown in case of short circuits. A time delay can

be added in series with the current sense to prevent false

triggering on high in-rush loads such as capacitors and

incandescent lamps.

O U

PPLICATI

■

The LTC1155 operates off of a 4.5V to 18V supply input

and safely drives the gates of virtually all FETs. The

LTC1155 is well suited for low voltage (battery-powered)

applications, particularly where micropower “sleep” op-

eration is required.

Laptop Power Bus Switching

SCSI Termination Power Switching

Cellular Phone Power Management

P-Channel Switch Replacement

Relay and Solenoid Drivers

Low Frequency Half H-Bridge

Motor Speed and Torque Control

The LTC1155 is available in both 8-pin PDIP and 8-pin SO

packages.

, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATI

Laptop Computer Power Bus Switch with Short Circuit Protection

= 4.5V TO 5.5V

Switch Voltage Drop

DLY

SEN

DLY

SEN

0.02Ω

10µF

0.1µF

0.02Ω

0.25

0.20

0.15

0.10

100k

DLY

100k

DLY

DS1

DS2

*IRLR034

LTC1155

GND

MAX

TTL, CMOS INPUT

IN1

IN2

TTL, CMOS INPUT

POWER BUS

0.05

0.00

µP

SYSTEM

DISK

DRIVE

PRINTER,

ETC.

DISPLAY

OUTPUT CURRENT (A)

GND

1155 TA02

1155 TA01

*SURFACE MOUNT

12 3 4 5 6 7...16

中文翻译

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与LTC1155I相关器件

型号	品牌	获取价格	描述	数据表
LTC1155IN8	Linear	获取价格	Dual High Side Micropower MOSFET Driver
LTC1155IN8#PBF	Linear	获取价格	LTC1155 - Dual High Side Micropower MOSFET Driver; Package: PDIP; Pins: 8; Temperature Ran
LTC1155IS8	Linear	获取价格	Dual High Side Micropower MOSFET Driver
LTC1155IS8#PBF	Linear	获取价格	LTC1155 - Dual High Side Micropower MOSFET Driver; Package: SO; Pins: 8; Temperature Range
LTC1155IS8#TR	Linear	获取价格	LTC1155 - Dual High Side Micropower MOSFET Driver; Package: SO; Pins: 8; Temperature Range
LTC1155IS8#TRPBF	Linear	获取价格	LTC1155 - Dual High Side Micropower MOSFET Driver; Package: SO; Pins: 8; Temperature Range
LTC1155M	Linear	获取价格	Dual High Side Micropower MOSFET Driver
LTC1155MJ8	Linear	获取价格	Dual High Side Micropower MOSFET Driver
LTC1155MJ8/883B	Linear	获取价格	IC 2 CHANNEL, BUF OR INV BASED MOSFET DRIVER, CDIP8, HERMETIC SEALED, CERDIP-8, MOSFET Dri
LTC1156	Linear	获取价格	Quad High Side Micropower MOSFET Driver with Internal Charge Pump

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