Diodes' AL3050FDC-7 is a current-mode boost LED driver with programmable brightness dimming control for portable devices. It's integrated 30 V power switch MOSFET and Schottky diode enable the AL3050FDC-7 to drive up to eight LEDs in a series. The small solution size, advanced dimming features, and high efficiency make it ideal for LED backlighting in single cell Li-ion portable equipment. The AL3050FDC-7 has both PWM dimming and single-wire digital dimming modes for accurate LED current control from one pin. It includes multiple protection functions including UVLO / OVP / OCP / OTP to protect the circuit and is available in the small footprint U-DFN2020-6 (Type S) package.
Feature
- 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
Applications
- Feature Phones
- Smart Phones
- Portable Media Players
- Ultra Mobile Devices
- GPS Receivers
- Backlight for Small and Media Form Factor LCD Display
