Technical Note

2/7

BD47□□G series

www.rohm.com

2010.01 - Rev.B

© 2010 ROHM Co., Ltd. All rights reserved.



Absolute maximum ratings (Ta=25°C)

Parameter

Symbol

Limits

Unit

Power Supply Voltage

VDD-GND

-0.3 ~ +10

V

Output Voltage

Vout

-0.3 ~ +10

V

Power Dissipation

*1 *2

Pd

540

mW

Operating Temperature

Topr

-40 ~ +75

°C

Ambient Storage Temperature

Tstg

-55 ~ +125

°C

*1 When a ROHM standard circuit board (70mm×70mm×1.6mm glass epoxy board) is mounted.

*2 When used at temperatures higher than Ta=25°C, the power is reduced by 5.4mW/°C



Electrical characteristics (Unless Otherwise Specified Ta=25°C)

Parameter

Symbol

Condition

Limit

Unit

Min.

Typ.

Max.

Detection Voltage

Vs

Vcc=HL

RL=4.7kΩ

Vs (T)

×0.99

Vs (T)

Vs (T)

×1.01

V

Temperature Coefficient

Of Detection Voltage

Vs/∆T

RL=4.7kΩTa=-20~+75°C Designed Guarantee

-

±0.01

-

%/°C

Detection Hysteresis Voltage

∆Vs

RL=4.7kΩ, Vcc＝LHL

30

50

100

mV

Transfer Delay Time ”H”

tPLH

CL=100pF，RL=4.7kΩ

*1

-

20

50

µs

Transfer Delay Time ”L”

tPHL

CL=100pF，RL=4.7kΩ

*2

-

60

120

µs

Reset Output Voltage ”L”

VOL

Vcc=Vs(min.)-0.05V, RL=4.7kΩ

-

0.1

0.4

V

Circuit Current ON

Icc1

Vcc=Vs(min.)-0.05V, RL=∞

-

1.5

3.0

µA

Circuit Current OFF

Icc2

Vcc=Vs(typ.)/0.85V, RL=∞

-

1.6

3.2

µA

Threshold Operating Voltage

VOPL

RL=4.7kΩ，VOL≥0.4V

-

0.65

0.85

V

Output Leak Current

IL

Vcc=VOUT=10V

-

-

0.1

µA

Reset Output Current ”L”

IOL

Vo=0.4V, Vcc=Vs(min.)-0.05V

3.0

15.0

-

mA

Vs(T):Standard Detection Voltage（1.9V to 4.6V, 0.1V step）

Designed Guarantee.(Outgoing inspection is not done on all products.)



Block Diagrams

PIN No.

Symbol

Function

1

N.C.

Unconnected Terminal

2

SUB

Substrate*

3

GND

GND

4

VOUT

Reset Output

5

VCC

Power Supply Voltage

*Substrate Pin should be connected with GND

TOP VIEW

SSOP5

Fig.1

Vref

GND

5

4

3