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
Current matching and uniform brightness is inherent in series connection. Operating at 1.2MHz, the device allows the use of very few tiny external components. The low feedback voltage of 95mV minimizes power loss in the current setting resistor for better efficiency. The ACT6310 is available in SOT-23 package and requires very few external devices for operation. Figure 1. ACT6310 Supplying 3 White LEDs Active-Semi, Inc. -1- ORDERING INFORMATION PART NUMBER ACT6310UC TEMPERATURE RANGE -40°C to 85°C PIN CONFIGURATION PACKAGE SOT23-5 ACT6310 PINS 5 SW 1 5 VIN GND 2 ACT6310 FB 3 4 SHDN SOT23-5 PIN DESCRIPTION
PIN NUMBER PIN NAME 1 SW 2 GND 3 FB 4 SHDN 5 VIN PIN DESCRIPTION
Switch Output. Connect this pin to the inductor and the Schottky diode.
Active-Semi
