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AS3687XM - Flexible Lighting Management

Download the AS3687XM datasheet PDF. This datasheet also covers the AS3687 variant, as both devices belong to the same flexible lighting management family and are provided as variant models within a single manufacturer datasheet.

General Description

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.

Key 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 Up Switching (can be disabled and 1:2 mode can be blocked).
  • Output Current up to 150mA.
  • Efficiency up to 95%.
  • Only 4 External Capacitors Required: 2 x 500nF Flying Capacito.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AS3687-austriamicrosystems.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number AS3687XM
Manufacturer austriamicrosystems
File Size 1.40 MB
Description Flexible Lighting Management
Datasheet download datasheet AS3687XM Datasheet

📁 Similar Datasheet

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AS3649 2500mA High Current LED Flash Driver ams
AS3661 Programmable 9-channel LED Driver austria microsystems

Other Datasheets by austriamicrosystems

Part Number Description
AS3687 Flexible Lighting Management
AS3681 Power and Lighting Management Unit
AS3682 Camera Lighting Management Unit
AS3685A Ultra Small High Efficiency 1000mA Charge Pump for White LED Flash
AS3685B Ultra Small High Efficiency 1000mA Charge Pump for White LED Flash

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
AS3687/87XM DDaatatsahseeht eet AS3687/87XM Flexible Lighting Management (Charge Pump, DCDC Step Up, Seven Current Sinks, ADC, LED Test, Audio Light) Technical coantmesntAsGtill valid 1 General Description 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. The AS3687/87XM incorporates one Step Up DC/DC Converter for white backlight LEDs, one low noise Charge Pump for indicator- or RGB- LEDs, LED test circuit (production test of the soldered LEDs at the customer site), one Analog-to-Digital Converter, seven current sinks, a two wire serial interface, and control logic all onto a single device. Output voltages and output currents are fully programmable.