SMH4803A View Datasheet(PDF) - Summit Microelectronics

Part Name

Description

MFG CO.

SMH4803A

Distributed Power Hot Swap Controller

Summit Microelectronics 

1 2 3 4 5 6 7 8 9 10 Next

FUNCTIONAL BLOCK DIAGRAM

SMH4803A

Preliminary

ENPGB 15

ENPGA 16

VDD 20

12VREF

50kΩ 50kΩ

EN/TS 3

PD1# 4

PD2# 5

UV 11

OV 12

50kΩ

200kΩ

50kΩ

+

–

+

–

+

–

+

–

FILTER

5V

VSS 10

DRAIN

SENSE 1

MODE 8

RESET# 7

CBSENSE 9

12V

2.5V

PROGRAMM-

ABLE

DELAY

50mV

Programmable

Quick Trip

Ref. Voltage

50kΩ 50kΩ

+

–

+

–

FAULT

LATCH

AND

DUTY

CYCLE

TIMER

PROGRAMM-

ABLE

DELAY

PROGRAMM-

ABLE

DELAY

14 2.5VREF

17 PG3#

19 PG2#

18 PG1#

13 5.0VREF

VGATE

SENSE

2 VGATE

6 FAULT#

2051 BD 1.3

2051 4.4 3/15/01

SUMMIT MICROELECTRONICS, Inc.

2

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