SMH4812G View Datasheet(PDF) - Summit Microelectronics

Part Name

Description

MFG CO.

SMH4812G

Distributed Power Hot-Swap Controller

Summit Microelectronics 

SMH4812

Preliminary

DC OPERATING CHARACTERISTICS

(Over Recommended Operating Conditions; Voltages are relative to VSS, except VGT)

Symbol

VDD

5VREF

ILOAD5

2.5VREF

ILOAD2.5

IDD

VUV

VUVHYST

VOV

VOVHYST

VGATE

IGATE

VSENSE

ISENSE

VCB

Parameter

Supply voltage

5V reference output

5V reference output current

2.5V reference output

2.5V reference output current

Power supply current

Under-Voltage threshold

Under-Voltage hysteresis

Over-Voltage threshold

Over-Voltage hysteresis

VGATE output voltage

VGATE current output

DRAIN SENSE threshold

DRAIN SENSE current output

Circuit breaker threshold

Conditions

IDD = 3mA

IDD = 3mA

IDD = 3mA

IDD = 3mA (1)

IDD = 3mA

IDD = 3mA (1)

IDD = 3mA

IDD = 3mA (1)

IDD = 3mA

Min.

11

4.75

–1

2.475

–0.2

2.475

2.475

IDD = 3mA (1)

VSENSE = VSS (1)

IDD = 3mA

2.475

9

40

VQCB

Programmable Quick Trip circuit

breaker threshold

VENTS

VENTSHYST

VIH

VIL

VOL

EN/TS threshold

EN/TS hysteresis

Input high voltage: ENPG

Output low voltage: FAULT#

Output low voltage: PG#

IIL

Input current: PD1#, PD2#, EN/TS

VGT

Gate threshold

(1) TA = 25ºC.

IDD = 3mA (1)

IDD = 3mA

IOL = 3mA

IOL = 3mA

VIL = VSS

Off

2.475

3

0

0

0

0.7

Typ.

12

5.00

2.500

2.500

63

2.500

10

100

2.500

10

50

200

100

60

2.500

10

100

1.8

Max.

13

5.25

1

2.525

1

10

2.525

2.525

VDD

2.525

11

60

2.525

5VREF

2

0.4

0.4

3.0

Units

V

V

mA

V

mA

mA

V

mV

V

mV

V

µA

V

µA

mV

mV

mV

mV

—

V

mV

V

V

V

V

µA

V

2055 Elect Table

RECOMMENDED OPERATING CONDITIONS

Temperature –40°C to 85°C.

2055 4.0 12/22/00

6

SUMMIT MICROELECTRONICS, Inc.

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