EUP3651 Datasheet - Eutech Microelectronics

EUP3651 1X/1.5X Charge Pump White LED Driver

The EUP3651 is a high efficiency charge pump white LED driver. It supports 4 white LEDs with regulated constant current for uniform intensity. The EUP3651 maintains the highest efficiency by utilizing a 1.5X fractional charge pump and low dropout current regulators. A low external parts count (two 1.

EUP3651 Features

* z z z z z z z z z z z 1X/1.5X Mode for Ultra-High Efficiency Up to 25mA Output Current for Each Channel 2.7V to 5.5V Input Voltage 1MHz Fixed Switching Frequency Single-Wire Serial Pulse Interface to Set LED Current with 16-step Linear scale Soft Start Function Built-In Short-Circuit Protection Buil

EUP3651-EutechMicroelectronics.pdf