Technical Note

2/11

BD5650AFVM

www.rohm.com

2011.11 - Rev.B

© 2011 ROHM Co., Ltd. All rights reserved.

●

Electric Characteristics (Ta=25℃, Vcc=+5V)

Parameter

Symbol

Limits

Unit

Conditions

MIN.

TYP.

MAX.

【

WHOLE DEVICE】

Total Supply Current - not taking the

output sinking current into account

ICC

-

0.6

1.2

mA

【

Voltage Control Loop】

Transconduction Gain(VCT).

Sink Current Only

GMV

1.0

4.5

-

mA/mV

Voltage Control Loop Reference

at 1.5mA sinking current

VREF

1.198

1.21

1.222

V

Ta=25℃

1.186

1.21

1.234

0 < Ta < 85℃

【

Current Detection】

Current Detection Reference

VSE

69.4

73

76.6

mV

0 < Ta < 85℃

Current out of pin ICT

Ibi

2

5

9

μA

ICT=-0.1V

【

Output Stage】

Output Short Circuit Current,

Output to VCC, Sink Current Only

IOS

11

25

50

mA

OUT=VCC, ICT=-0.2V

VSE=0V

【

Delay Time Setting】

CP Charge Current

Ichg

612

665

718

nA

Set 4 second,

when CP=2.2uF

This product is not designed to be radiation-resistant.

●

Measurement circuit diagram

Fig.1

-

+

-

VREF

+

-

+

5

3

1

2

Comparator

with latch

VOLTAGE

REFERENCE

6

VREF

8

Ichg

73mV detection

Comparator

7

4

Io

Io

VCC

1uF

A

A

A

V

A

V

Error amplifier