1/4

REV. B

Structure

Silicon Monolithic Integrated Circuit

Product Name

Compound LED Driver for cellular phone

Type

BD6091GU

Features

Boost DC/DC for LED back lighting

Constant current driver for LED back lighting

Auto Luminous Control (ALC)

●Absolute Maximum Ratings（Ta=25℃）

Parameter

Symbol

Limits

Unit

Pins

Maximum voltage 1

VMAX1

7

V

except for VLED, VOUT, SW

Maximum voltage 2

VMAX2

15

V

VLED

Maximum voltage 3

VMAX3

32.6

V

VOUT, SW

Power Dissipation

Pd

1250

mW

Operating Temperature Range

Topr

-40 ~ +85

Storage Temperature Range

Tstg

-55 ~ +150

note）Power dissipation deleting is 10mW/

(It’s deleting is on the board that is ROHM’s standard)

Dissipation by LSI should not exceed tolerance level.of Pd.

●Operating conditions（VBAT≧VIO, Ta=-40～85℃）

Parameter

Symbol

Limits

Unit

VBAT input voltage

VBAT

2.7～5.5

V

VIO pin voltage

VIO

1.65～3.3

V

* Radiation-proof is not designed.