bd6183gul ROHM Co. Ltd., bd6183gul Datasheet

bd6183gul

Manufacturer Part Number

bd6183gul

Description

6 Leds Ldo 4ch

Manufacturer

ROHM Co. Ltd.

Datasheet

1.BD6183GUL.pdf (35 pages)

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System LED Drivers for Mobile Phones

6 LEDs

LDO 4ch

●Description

●Features

●Absolute Maximum Ratings (Ta=25 ℃)

●Operating Conditions (VBAT≥VIO, Ta=-30~85 ℃)

www.rohm.com

BD6183GUL

BD6183GUL is “Intelligent LED Driver” that is the most suitable for the cellular phone.

It has 3 - 6LED driver and output variable LDO4ch for LCD Backlight.

It can be developed widely from the high End model to the Low End model.

As it has charge pump circuit for DCDC, it is no need to use coils, and it contributes to small space.

VCSP50L3(3.15mm×2.65mm 0.5mm pitch)

It adopts the very thin CSP package that is the most suitable for the slim phone.

Maximum Voltage

Power Dissipation

Operating Temperature Range

Storage Temperature Range

VBAT Input Voltage

VIO Pin Voltage

note) Power dissipation deleting is 10.72mW/ ℃ , when it’s used in over 25 ℃.

1) Total 3 - 6LEDs driver for LCD Backlight

2) Charge Pump DC/DC for LED driver

3) 4ch Series Regulator (LDO)

4) Thermal shutdown

5) I

・It has 4LEDs (it can select 4LED or 3LED) for exclusire use of Main and 2LEDs which can chose independent control

・“Main Group” can be controlled by external PWM signal.

・ON/ Off and a setup of LED current are possible at the time of the independent control by the independence.

・It has x1/x1.5/ x2 mode that will be selected automatically.

・The most suitable voltage up magnification is controlled automatically by LED port voltage.

・Soft start functions、Over voltage protection (Auto-return type)、Over current protection (Auto-return type) loading

・LDOIt has selectable output voltage by the register.(16 steps)

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

C BUS FS mode(max 400kHz)Compatibility

or a main allotment by resister setting.

LDO1, LDO2, LDO3, LDO4 : Iomax=150mA

Parameter

Symbol

VMAX

VBAT

Topr

Tstg

VIO

1/34

-55 ~ +150

-30 ~ +85

1.65 ~ 3.3

1340

2.7 ~ 5.5

Ratings

Limits

note)

Unit

℃

2010.07 - Rev.A

No.10041EAT09

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