Description
AS3687/87XM DDaatatsahseeht eet AS3687/87XM Flexible Lighting Management (Charge Pump, DCDC Step Up, Seven Current Sinks, ADC, LED Test, Audio Light) .
The AS3687/87XM is a highly-integrated CMOS Lighting Management Unit for mobile telephones, and other 1-cell Li+ or 3-cell NiMH powered devices.
Features
* High-Efficiency Step Up DC/DC Converter
* Up to 25V/50mA for White LEDs
* Programmable Output Voltage with External Resistors and Serial Interface
* Overvoltage Protection
* High-Efficiency Low Noise Charge Pump
* 1:1, 1:1.5, and 1:2 Mode
* Automatic