LED7706
Features
- Boost section
- 4.5 V to 36 V input voltage range
- Internal power MOSFET
- Internal +5 V LDO for device supply
- Up to 36 V output voltage
- Constant frequency peak current-mode control
- 250 k Hz to 1 MHz adjustable switching frequency
- External synchronization for multi-device application
- Pulse-skip power saving mode at light load
- Programmable soft-start
- Programmable OVP protection
- Stable with ceramic output capacitors
- Thermal shutdown Backlight driver section
- Six rows with 30 m A maximum current capability (adjustable)
- Rows disable option
- Less than 500 ns minimum dimming ontime (1 % minimum dimming duty-cycle at 20 k Hz)
- ±2 % current matching between rows
- LED failure (open and short-circuit) detection
VFQFPN-24 4x4
Description
The LED7706 consists of a high efficiency monolithic boost converter and six controlled current generators (rows) specifically designed to supply LEDs arrays used in the backlighting of LCD panels. The device can manage an...
