EUP2471 Datasheet - Eutech Microelectronics

EUP2471 1.5A Dual WLED Flash Driver

The EUP2471 is a 2MHz fixed frequency, current mode synchronous boost converter. The device is designed to operate as a dual 750mA (1.5A total) constant current driver for flash white LED application. An industry-standard I2C serial digital input is used to enable, disable and set the movie-mode cur.

EUP2471 Features

* 377 / 135 9011 2223 http://www.gofotech.com EUP2471 Typical Operating Characteristics Efficiency vs. Input Voltage (Movie and Flash Mode) 90% Boost Switching Frequency vs. Input Voltage (Movie Mode; L=1µH) 3 Switching Frequency (MHz) 2.5 2 1.5 1 -40℃ 85% 80% Efficiency (%) 75% 70% 65% 60% 55% 50

EUP2471-EutechMicroelectronics.pdf