Technical Note

2/21

www.rohm.com

2011.03 - Rev.E

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

BU6650NUX,BU6651NUX,BU6652NUX,BU6653NUX,BU6654NUX,BU6655NUX

●

Absolute maximum rating

Parameter

Symbol

Ratings

Unit

Maximum applied power voltage

VMAX

-0.3 ~ +6.0

V

Power dissipation

Pd

660*

1

MW

Maximum junction temperature

TjMAX

+125

°C

Operational temperature range

Topr

-40 ~ +85

°C

Storage temperature range

Tstg

-55 ~ +125

°C

*1 PCB (70 mm

 70 mm, thickness 1.6-mm glass epoxy) a standard ROHM board is implemented. Reduced to 6.6 mW/C when used at Ta=25C or higher.

●

Recommended operating range (Do not exceed Pd.)

Parameter

Symbol

Ratings

Unit

Input power supply voltage

2.5 ~ 5.5

V

Maximum output current

IMAX

200

mA

●

Recommended operating conditions

Parameter

Symbol

Ratings

Unit

Conditions

Min.

TYp.

Max.

Input capacitor

1.0*

2

2.2

－

μ

F

A ceramic capacitor is recommended.

Output capacitor

0.5*

2

1.0

－

μ

F

A ceramic capacitor is recommended.

*2 Set the capacity value of the capacitor so that it does not fall below the minimum value, taking temperature characteristics,

DC device characteristics, and change with time into consideration.