AL3069 Description
The AL3069 is a high-efficiency four-channel boost controller for WLED backlight applications. It operates over a wide input voltage range, from 4.5V to 60V. The current of the four channels is simply programmed from 20mA to 400mA with an external resistor.
AL3069 Key Features
- Input Voltage Range: 4.5V to 60V
- Drivers up to Four Strings in Parallel, 250mA per String, 400mA
- Typical ±0.5% Current Matching
- Low Ripple for Low BOM Cost
- 4kV HBM ESD Class
- High-Voltage Pins CS and OVP for Safety Test
- Supports Direct PWM Dimming, PWM to Analog Dimming
- Minimum PWM Dimming Duty Cycle Can Be 1/5,000 at 100Hz
- LED Open/Short Protection
- Schottky Diode/Inductor Short-Circuit Protection
AL3069 Applications
- Input Voltage Range: 4.5V to 60V
- Drivers up to Four Strings in Parallel, 250mA per String, 400mA