UBA3070 Description
The UBA3070 driver IC is the first member of a first generation of power-efficient LED backlight driver ICs. Highly efficient, flexible and reliable LED drivers can easily be designed using the UBA3070 control IC.
UBA3070 Key Features
- Switch-mode buck controller that drives strings of LEDs up to 600 V power-efficiently
- Controller with power-efficient Boundary Conduction Mode (BCM) operation: Virtually no reverse recovery losses in free
- Suitable for direct Pulse Width Modulation (PWM) dimming
- Fast transient response through cycle-by-cycle current control, thereby: Preventing over or undershoots in the Light E
- Single controlled input voltage required for all UBA3070 driven LED strings in RGB or white backlighting units
- No binning on LED forward voltage required
- Protections: UnderVoltage LockOut (UVLO) Leading Edge Blanking (LEB) OverCurrent Protection (OCP) OverTemperatur
- Low cost LED driver solution: No fast-switching Schottky diode required due to ZCS No dimming switch or high-side dr