CAT4137
Catalyst Semiconductor
CMOS Boost Converter - White LED DriverCAT4137
CMOS Boost Converter - White LED Driver
Features
• • • • • • • • • • • • Drives up to 5 White LEDs from 3V Power Efficiency up to 87% Low Quiescent Ground Current 0.1mA Adjustable Output Current (up to 30mA) High Frequency 1MHz
CAT4137
ON Semiconductor
CMOS Boost Converter - White LED DriverCAT4137
CMOS Boost Converter White LED Driver
Description
The CAT4137 is a DC/DC step-up converter that delivers a regulated output current. Operation at a constant switching frequency of 1 MHz allows the device to be used with small value external ceramic ca