ACT6310
Datasheet Rev 0, 1/2005
PRELIMINARY
ACT6310
White LED Step-Up Converter
FEATURES
Inherently Matched LED Current Pin Compatible with ‘1937 with Higher Efficiency (Up to 86%) 30V High
Voltage Switch 1.
2MHz Switching Frequency Uses 0.
22µF Output Capacitor SOT23-5 Package
APPLICATIONS
Cellular Phones Digital Cameras PDAs, Handheld Computers MP3 Players GPS
GENERAL DESCRIPTION
The ACT6310 step-up DC/DC converter drives white LEDs with a programmable constant current.
The device is capable of driving two, three or four white LEDs in series from a Lithium-Ion battery.
Current matching and uniform brightness is inherent in series connection.
The ACT6310 incorporates a 30V high
voltage s...