CAT3606 Overview
The CAT3606 controls up to four LEDs for the main display and two LEDs for the sub-display in cellular phones. The device is capable of operating in either 1x (LDO) mode or 1.5x charge pump mode. All LED pin currents are regulated and tightly matched to achieve uniformity of brightness across the LCD backlight.
CAT3606 Key Features
- Drives up to 4 Main LEDs and 2 Sub LEDs
- Separate Control for Main and Sub LEDs
- patible with Supply Voltage of 3 V to 5.5 V
- Power Efficiency up to 90%
- Output Current up to 30 mA per LED
- High-frequency Operation at 1 MHz
- 2 Modes of Operation 1x and 1.5x
- White LED Detect Circuitry on All Channels
- Shutdown Current less than 1 mA
- Small Ceramic Capacitors
