The NCP5623B mixed analog circuit is a triple output LED driver dedicated to the RGB illumination or backlight LCD display.
The built−in DC/DC converter is based on a high efficient charge pump structure with operating mode 1x and 2x. It provides a 94% peak efficiency. The tiny package makes the device suitable for room limited portable applications.

FEATUREs
• 2.7 to 5.5 V Input Voltage Range
• RGB Function Fully Supported
• Programmable Integrated Gradual Dimming
• 90 mA Output Current Capability
• 94% Peak Efficiency
• Built−in Short Circuit Protection
• Provides Three Independent LED Drives
• Support I2C Protocol
• Embedded OVP / Open Load Protection
• This is a Pb−Free Device

Typical Applications
• Multicolor Illuminations
• Portable Back Light
• Digital Cellular Phone Camera Photo Flash
• LCD and Key Board Simultaneous Drive