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System LED Drivers for Mobile phones
6LEDs
Illumination
BD2802GU
No.11041EAT12
- Multiple drivers can be used concurrently by using the I C address change function and supporting reference clock I/O.
● Description
The BD2802GU is a RGB LED driver specifically engineered for decoration purposes.This RGB driver incorporates lighting
patterns and illuminates without imposing any load on CPU.This RGB driver is best-suited for illumination using RGB LEDs
and decoration using monochrome LEDs.In addition, this RGB driver has been successfully miniaturized through the use of
a VCSP85H2 (2.8 mm 0.5 mm pitch) chip size package.
● Features
1) RGB LED driver (dual drivers)
- A slope control function is incorporated (allowing dual drivers to be controlled independently).
- Slope control can be implemented using the DC current.
- Two modes “continuous illumination mode” and “illumination single cycle mode” are supported.
- Independent external ON/OFF synchronizing terminals (of dual drivers) are provided.
2
2) Thermal shutdown
3) I 2 C BUS fast mode support (maximum rate: 400 kHz)
- A device address can be changed via an external pin.
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This driver has not been designed for anti-radiation.
This document may be altered without prior notice.
This document does not provide for delivery.
● Absolute Maximum Ratings(Ta=25 ℃ )
Parameter
Maximum Applied voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
Symbol
VMAX
Pd
Topr
Tstg
Limits
7
1250 (Note1)
-40 ～ +85
-55 ～ +150
Unit
V
mW
℃
℃
(Note1)Power dissipation deleting is 10.0mW/ C, when it’s used in over 25 C.
o o
(It’s deleting is on the board that is ROHM’s standard)
● Recommended Operating Conditions(VBAT ≧ VIO, Ta=-40 ～ 85 ℃ )
Parameter
VBAT input voltage
VIO pin voltage
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
Symbol
VBAT
VIO
Limits
2.7 ～ 5.5
1.65 ～ 3.3
1/27
Unit
V
V
2011.04 - Rev.A
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