UBA3070 - NXP Semiconductors

UBA3070 LED backlight driver IC

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. 2. Features and benefits „ Switch-mode buck controller that drives strings of LEDs up to 600 V power-efficiently „ Controller with power-efficien.

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 freewheel diode ‹ Zero Current Switching (ZCS) at switch, switch-on ‹ Zero voltage or valley switching at switch, switch-on ‹ Minimal required inductance value and size „ 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 Emitting Diode (LED) current ‹ Enabling effic.