AL3050:显示/ 背光 LED 驱动

Part NumberData SheetSPICE ModelFunctionMinimumInput Voltage (V)MaximumInput Voltage (V)Maximum Output Voltage (V)Number of Regulated Output ChannelsMaximum Output Current per Channel (mA)Typical Over-Current Protection Current (mA)Switching Frequency (MHz)Efficiency (%)Quiescent Current (mA)Standby Quiescent Current (µA)SW RDS(ON) (Ω)DimmingOVPSoft StartVFB (V)OperatingTemperatureRange (°C)
AL3050AL3050.pdf-Boost Converter2.75.5261407000.75850.30.10.56PWM and 1-Wire28.2Yes0.2-40 to +85
Application
  • Feature Phones
  • Smart Phones
  • Portable Media Players
  • Ultra Mobile Devices
  • GPS Receivers
  • Backlight for Small and Media Form Factor LCD Display
Features
  • 2.7V to 5.5V Input Voltage Range
  • 28V Open LED Protection (Up to 8 LEDs)
  • Integrated 0.7A/30V Internal MOSFET and Power Diode
  • 200mV Reference with ±3% Accuracy
  • 750kHz Switching Frequency
  • Flexible Digital and PWM Brightness Control
  • 1-Wire Control Interface
  • PWM Dimming Control Interface
  • Up to 100:1 PWM Dimming Ratio
  • Integrated Loop Compensation
  • Built-in Soft-Start
  • Built-in OTP
  • Built-in OCP
  • Tiny Package with U-DFN2020-6 (Type S) Package
订购型号
  • AL3050FDC-7
U-DFN2020-6 (Type S)
AL3050.pdf AL3050