Datasheet > ADM1173-1AUJ

ADM1173-1AUJ

更新时间： 2024-11-07 14:49:43

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管
页数	文件大小	规格书
8页	151K
描述
IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, TSOT-8, Power Management Circuit

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ADM1173-1AUJ 数据手册

2.7V to 16.5V Hot Swap Controller

with Tracking or Slew Rate Control

Preliminary Technical Data

ADM1173

FEATURES

GENERAL DESCRIPTION

The ADM1173 is a Hot Swap controller that allows a board to

be safely inserted and removed from a live backplane.

An internal charge pumped driver controls the GATE of an

external high side N-channel FET for a supply voltage ranging

from 2.7V to 16.5V. The ADM1173 provides the initial timing

cycle and allows the GATE to be ramped up at an adjustable

rate. The Slew rate of the Output is controlled a capacitor or

supply on the SLEW pin.

The ADM1173 features a fast current limit loop providing

active current limiting together with a circuit breaker timer.

The signal at the ON pin turns the part on and off and is also

used for the reset function.

Allows Safe Board Insertion and Removal from a Live

Backplane

Controls Supply Voltages from 2.7 V to 16.5V

Adjustable Analog Current Limit with Circuit Breaker

Fast Response Limits Peak Fault Current

Automatic Retry or Latch-Off On Current Fault

Adjustable Voltage Slew Rate Control

Charge Pumped Gate Drive for External N-FET Switch

TIMER pin allows control over timing functions

Undervoltage Lockout

8-pin TSOT Package

A capacitor connected to the TIMER pin gives the user control

over the duty cycle of the PWM retry ratio during current fault.

This part is available in two options: the ADM1173-1 will

automatic retry for over-current fault and the ADM1173-2 will

latch-off for an over-current fault.

APPLICATIONS

Hot Swap Board Insertion – Line Cards, Raid systems

Electronic Circuit Breaker

Industrial High Side Switch/Circuit Breaker

The ADM1173 is packaged in an 8-lead TSOT package.

APPLICATIONS DIAGRAM

SENSE

=5V

OUT

LONG

=5V

LOAD

SENSE-

ON1

GATE

SHORT

ON / CLR

ADM1173

SLEW

VOUT

SLEW

TIMER

ON2

GND

TIMER

GND

LONG

Rev.PrE

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

2005

12 3 4 5 6 7 8

中文翻译

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