Part Number : CX2859
Function : LED IC
Package : SOT-23 Type SMD
Maker : Unspecified
Image : 
Description :
The CX2859 is a highly integrated single or multi cell LED driver for applications where step-up voltage conversion from a very low input voltage is required. These applications mainly operate from 1.5V or 1.2V cells.
Features :
1. Dedicated LED driver for hand-held flashlights.
2. Powered by one lithium battery (3 - 4.2 V)
3. It has three glow modes: Full brightness, medium brightness, strobe.
4. Switching modes is carried out by disconnecting and re-enabling the circuit to the power source (ON/OFF button).
Reference Site : http://forum.eepw.com.cn/thread/257701/1
Datasheet PDF Download :
Others datasheet of same file : CX-2859