Datasheet > SMH4811A_09

SMH4811A_09

更新时间： 2022-05-07 08:47:33

品牌	Logo	应用领域
SUMMIT		控制器
页数	文件大小	规格书
15页	936K
描述
Programmable Distributed Power Hot-Swap Controller for High-Availability Systems

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SMH4811A_09 数据手册

SUMMIT

MICROELECTRONICS, Inc.

SMH4811A

Preliminary

Programmable Distributed Power Hot-Swap Controller

for High-Availability Systems

FEATURES

z Programmable Host Voltage Fault Monitoring

Programmable Under-Voltage Hysteresis

Programmable UV/OV Voltage Filter

z Soft Starts Main Power Supply on Card Insertion

or System Power Up

z Senses Card Insertion via Short Pins or Ejector

Switches

Programmable Fault Mode: Latched or Duty

z Master Enable to Allow System Control of

Cycle

Power Up or Down

Can be used as a Temperature Sense Input

z Programmable Forced Shutdown Timer

z 2.5V and 5.0V Reference Outputs

z Programmable Independent Controls of a DC/DC

Converter

Eliminates the Need for Other Primary

Not Enabled until Host Supply Fully Soft

Voltages

Started

Easy Expansion of External Monitor Func-

Programmable Time Delay

tions

Available Input to hold off Dependant En-

z Internal Shunt Regulator Allows a Wide Supply

ables until Conditions are Satisfied

Range

z Highly Programmable Circuit Breaker

Programmable Quick-Trip^TMValues

Programmable Current Limiting

Programmable Duty Cycle Times

Programmable Over-current Filter

SIMPLIFIED APPLICATION DRAWING

Disable/Enable

ENPG

VDD

Pin Detect

PD1#

FAULT#

PG#

SMH4811A

DC/DC

Pin Detect

PD2#

VSS

CBSENSE VGATE 2.5VREF 5.0VREF

2044 SAD 5.1

–48V

©SUMMIT MICROELECTRONICS, Inc., 2006 •757NorthMaryAve • Sunnyvale, CA94085 • Phone 408-523-1000 • FAX 408-523-1266 • www.summitmicro.com

Characteristics subject to change without notice 2044 6.6 03/27/09

12 3 4 5 6 7...15

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