Technical Note

2/29

BUTA2WNVX series, BUTA2WHFV series

www.rohm.com

2011.01 - Rev.C

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

●

Absolute maximum rating

Parameter

Symbol

Ratings

Unit

Maximum applied power voltage VMAX

-0.3 ~ +6.5

V

Power dissipation

Pd1

220*

mW

Pd2

410*

Maximum junction temperature

TjMAX

+125

℃

Operational temperature range

Topr

-40 ~ +85

℃

Storage temperature range

Tstg

-55 ~ +125

℃

*1

When 1 PCB (70 mm

 70 mm, thickness 1.6-mm glass epoxy) a standard ROHM board is implemented.

Reduced to 2.2 mW/

C when used at Ta=25C or higher.

*2

When 1 PCB (70 mm

 70 mm, thickness 1.6-mm glass epoxy) a standard ROHM board is implemented.

Reduced to 4.1 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

VIN

2.5 ~ 5.5

V

Maximum output current

IMAX

200

mA

●

Recommended operating conditions

Parameter

Symbol

Ratings

Unit

Conditions

Min.

Typ.

Max.

Input capacitor

0.5*

3

1.0

－

μF

A ceramic capacitor is

recommended.

Output capacitor

0.5*

3

1.0

－

μF

A ceramic capacitor is

recommended.

*3

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.