SMH4812 View Datasheet(PDF) - Summit Microelectronics

Part Name

Description

MFG CO.

SMH4812

Distributed Power Hot-Swap Controller

Summit Microelectronics 

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SMH4812

Preliminary

OV / UV

FAULT#

2.5V

tUOFLTR

CBSENSE

VGATE

TCBD 50mV

TCYC

TCBD

2055 Fig01

Figure 1. Under-/Over-Voltage Filter Timing

2055 Fig02

Figure 2. Circuit Breaker Cycle Mode

VDD

UV

OV

PD1#/

PD2#

VGATE

DRAIN

SENSE

CBSENSE

PG#

8

11 ≤ VDD ≤ 13

2.5VREF

<tPUVF

tPDD

5V

50mVREF

VDD – VGT

2.5VREF

VDD

<tCBD

Figure 3. Power On Timing Sequence

2055 4.0 12/22/00

2055 Fig03

SUMMIT MICROELECTRONICS, Inc.

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