• Part: AS3675
  • Manufacturer: austriamicrosystems
  • Size: 2.37 MB
Download AS3675 Datasheet PDF
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AS3675 Key Features

  • Up to 16V/55mA (or 25V/35mA) for White LEDs
  • Programmable Output Voltage with External Resis
  • Over voltage Protection High-Efficiency High-Power Charge Pump
  • 1:1, 1:1.5, and 1:2 Mode
  • Automatic Up Switching (can be disabled and 1:2
  • Output Current up to 300mA/500mA pulsed
  • Efficiency up to 95%
  • Very Low effective Resistance (2.5Ω typ. in 1:1.5)
  • Only 4 External Capacitors Required
  • Supports LCD White Backlight LEDs, or RGB LEDs 13 Current Sinks

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AS3675 Description

The AS3675 is a highly-integrated CMOS Power and Lighting Management Unit for mobile telephones, and other 1-cell Li+ or 3-cell NiMH powered devices. The AS3675 incorporates one Step Up DC/DC Converter for white backlight LEDs, one high-power Charge Pump, one Analog-to-Digital Converter, 13 current sinks, the RGB and white LEDs can be controlled by an audio input, LED in-circuit function test, a two wire serial...