Sharp IR2E51Y
This IC is equipped with charge pump DC/DC converter. This IC maintains high efficiency since the charge pump circuit automatically selects 1x or 1.5x charge pump mode depending on input voltage and load.| Part No. | IR2E51Y |
|---|---|
| Datasheet | IR2E51Y Download |
| Manufacturer |  Sharp |
| Description | Auto-Brightness Control LED Driver |
| Buy | Stock & Price |
DESCRIPTION
IR2E51Y incorporates white LED driver with auto brightness control. Input voltage is boosted into CPO by a charge pump circuit. It contains 4 white LED drivers to drive the main-LCD backlight, 2 white LED drivers for sub-LCD backlight and RGB-LED drivers. All LED are connected in parallel. With peripheral ambient light sensor, this IC automatically adjusts white LED brightness to ambient brightness. This IC supports I2C-Bus interface. This product is optimum for use as the backlight white LED driver IC for cellular phone and PDA applications, etc.●Agency approvals/Compliance 1. Compliant with RoHS directive(2002/95/EC)
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APPLICATIONS
1.Back light and call alert display (White & RGB LED)●
FEATURES
1. Supply Voltage Range: VIN=3.0V to 4.5V, VCC=2.3V to 3.2V 2. Supports I2C-Bus interface 3. SCL pin and SDA pin are installed with noise filters. 4. Sink-type variable constant current driver for LED (maximum current 27.4mA/ch) 5. Monitoring all LED pins (Response to VF variation...
