1/8

www.rohm.com

2009.04 - Rev.B

© 2009 ROHM Co., Ltd. All rights reserved.

Hi-performance Regulator IC Series for PCs

PGOOD IC

for PC

BD4140HFV

●

Description

BD4140HFV is 1ch reset IC for watching the voltage. The detected voltage is 0.5V, and it is available to several kinds of

in case the watching input voltage is also low.

●

Features

1) Open drain output type

2) Built in Under Voltage LockOut (UVLO) circuit

3) HVSOF5 package : 1.6×1.6×0.6(mm)

●

Applications

Laptop PC, Desktop PC, LCD-TV, Printer, STV, Digital appliances

●

Absolute maximum ratings (Ta=25℃)

Parameter

Symbol

BD4140HFV

Unit

Terminal voltage

6

*1

V

Power Dissipation

Pd

0.67

*2

W

PGOOD Capacity Current

5

mA

Operating temperature range

Topr

-10～+100

℃

Storage temperature range

Tstg

-55～+150

℃

Junction Temperature

Tjmax

+150

℃

*1 Do not however exceed Pd.

(when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB which has 1 layer. (copper foil density :2%))

(when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB which has 1 layer.)

●

Operating Conditions (Ta=25℃)

Parameter

Symbol

Min.

Max.

Unit

Terminal voltage

3.0

5.5

V

IN

-0.3

V

PGOOD

-0.3

5.5

V

DLY

-0.3

V

●

ELECTRICAL CHARACTERISTICS (Unless otherwise noted, Ta=25℃, VCC=5V)

Parameter

Symbol

Limits

Unit

Conditions

Min.

Typ.

Max.

Bias Current

-

5

10

μA

-

Detected Voltage

491

500

509

mV

IN sweep up

Hysteresis Voltage

-

10

-

mV

IN sweep down

Delay Current

150

250

350

nA

IN=0.6V

PGOOD Output ON Resistance

-

100

200

Ω

IN=0V

PGOODOutput Leak Current

-

0

5

μA

IN=0.6V

No.09030EBT18