DESCRIPTION
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.
FEATUES
● 2.7V to 5.5V Input Supply Range
● Dual Channel Output with Separate
Flash Enable
● Up to 1.5A Regulated Output Current
(750mA per channel)
● Up to 85% Efficiency
● 2 MHz Fixed Switching Frequency
● I2C Compliant Serial Interface
- 400kHz Serial Transfer Rate
-16 Level Movie-mode Current
-Flash/Movie-mode
-Programmable LED Current
-Programmable Flash Safety Timer
● True Load Disconnect
● Input Current Limit
● Output Over-Voltage, Short Circuit, and
Over-Temperature Protection
● 3mm× 3mm TDFN-14 Package
● RoHS Compliant and 100% Lead (Pb)-Free
Halogen-Free
APPLICATIONS
● Camera-enabled Cellular Phones
and Smart Phones
● Digital Still Cameras (DSCs)
● LED Photo Flash/Torch