Datasheet > SMH4803AJK

SMH4803AJK

更新时间： 2024-02-04 03:35:50

品牌	Logo	应用领域
SUMMIT		控制器
页数	文件大小	规格书
22页	177K
描述
Distributed Power Hot-Swap Controller

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中文翻译

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技术参数
数据手册

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SMH4803AJK 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

SMH4803AJK 数据手册

SMH4803

PIN CONFIGURATIONS

Symbol

Drain Sense

Vgate

Description

Drain sense input

Output to MOSFET gate

Enable/Temp Sense input

Pin Detect 1 (active LO)

Pin Detect 2 (active LO)

Circuit Breaker Fault output

Circuit Breaker Reset intput

Circuit Breaker Mode control

Cicruit Breaker Sense input

Negative Supply Connection

Under Voltage input

Drain Sense

Vgate

Vdd

EN/TS

PD1#

PG2#

PG1#

PG3#

ENPGA

ENPGB

2.5V

PD2#

EN/TS

CBFault#

CBReset#

CBMode

CBSense

Vss

PD1#

PD2#

CBFault#

CBReset#

CBMode

CBSense

Vss

Over Voltage input

5V reference output

2.5V

2.5V reference output

Enable input B

ENPGB

ENPGA

PG3#

2041 ILL10.1

Enable input A

Power good output 3

Power good output 1

Power good output 2

PG1#

PG2#

Vdd

Positive supply connection

2041 PGM T2.1

RECOMMENDED OPERATING CONDITIONS

Condition

Min

Max

Temperature

-40°C

+85°C

2041 PGM T3.0

DESCRIPTION

maybeusedtoturnONtheloads,e.g.isolated-outputDC-

DC converters, or drive LED status lights. The SMH4803

provides three separate “Power Good” logic outputs that

activate loads in a timed sequence. Additional features of

the SMH4803 include: temperature sense or master en-

able input, 2.5V and 5V reference outputs for expanding

monitor functions, two “Pin-Detect” enable inputs for fault

protection, and duty-cycle or latched over-current protec-

tion modes.

The SMH4803 is designed to control hot swapping of

plug-in cards operating from a single supply ranging from

20V to 500V. The SMH4803 hot-swap controller provides

under-voltage and over-voltage monitoring of the host

powersupply,itdrivesanexternalpowerMOSFETswitch

that connects the supply to the load, and also protects

againstover-currentconditionsthatmightdisruptthehost

supply. When the input and output voltages to the

SMH4803 controller are within specification, the

SMH4803providesthree“PowerGood”logicoutputsthat

2041 8.4 6/15/00

SUMMIT MICROELECTRONICS

123 4 5 6 7...22

中文翻译

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