Datasheet > SMH4803A

SMH4803A

更新时间： 2024-02-02 11:07:07

品牌	Logo	应用领域
SUMMIT		控制器
页数	文件大小	规格书
19页	430K
描述
Distributed Power Hot Swap Controller

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技术参数
数据手册

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SMH4803A 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	unknown
风险等级：	5.92	湿度敏感等级：	1
Base Number Matches：	1

SMH4803A 数据手册

SUMMIT

SMH4803A

MICROELECTRONICS, Inc.

Preliminary

Distributed Power Hot Swap Controller

FEATURES

l Soft Starts Main Power Supply on Card Insertion

w Programmable Circuit Breaker Mode:

or System Power Up

Latched (Volatile or Nonvolatile)

w Programmable Duty Cycle Times

l Senses Card Insertion via Short Pins or Ejector

Switches

w Programmable Over-current Filter

l Programmable Host Voltage Fault Monitoring

w Programmable Under- voltage Hysteresis

w Programmable UV/OV Voltage Filter

l Master Enable to Allow System Control of Power

Up or Down

w Can be used as a Temperature Sense Input

l Programmable Independent Controls of 3 DC/DC

Converters

w Programmable Fault Mode: Latched or Duty

w Not Enabled until Host Supply Fully Soft

Cycle

Started

w Programmable Time Delay Between each

l Nonvolatile Programming to Customize Features

w Available Pre-programmed from Summit

l 2.5V and 5.0V Reference Outputs

Enable Signal

w Available Input to hold off Dependant Enables

until Conditions are Satisfied

w Eliminates the Need or Other Primary Volt-

l Highly Programmable Circuit Breaker

w Programmable Quick-Trip^TMValues

w Programmable Current Limiting

ages

w Easy Expansion of External Monitor Func-

tions

l Supply Range ±20VDC to >±500VDC

SIMPLIFIED APPLICATION DRAWING

Disable / Enable

ENPGA ENPGB

VDD

Pin Detect

PD1#

PG1#

PG2#

DC/DC

SMH4803A

PG3#

Pin Detect

PD2#

FAULT#

DRAIN

VSS CBSENSE VGATE SENSE 2.5VREF 5.0VREF

2051 SAD 1.2

–48V

©SUMMIT MICROELECTRONICS, Inc., 2000

•

300 Orchard City Dr., Suite 131

• Campbell, CA 95008 • Phone 408-378-6461 • FAX 408-378-6586 • www.summitmicro.com

Characteristics subject to change without notice

2051 4.4 3/15/01

12 3 4 5 6 7...19

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