Product Summary

The ACT6311 is a step-up DC/DC converter. It is optimized for driving OLEDs or white LEDs. It can provide an output voltage up to 24V. The device is capable of driving up to seven LEDs in series from a Lithium-Ion battery, with inherent current matching and uniform brightness. The ACT6311 incorporates a 30V high voltage switch. The device operates at 1MHz and allows the use of few external components. The ACT6311 is available in the tiny SOT23-5 package. The applications of the ACT6311 include OLED Applications, Cell Phones, Digital Cameras, PDAs, Laptops, MP3 Players, and GPS.

Parametrics

ACT6311 absolute maximum ratings: (1)IN, SHDN Voltage: -0.3 to 6V; (2)SW Voltage: -0.3 to 30V; (3)FB Voltage: -0.3 to VIN + 0.3V; (4)Maximum Power Dissipation (derate 5mW/℃ above TA = 50℃): 0.4W; (5)Junction to Ambient Thermal Resistance (θJA): 190℃/W; (6)Operating Junction Temperature: -40 to 150℃; (7)Lead Temperature (Soldering, 10 sec): 300℃.

Features

ACT6311 features: (1)Adjustable Output Voltage; (2)Drives OLEDs or White LEDs; (3)30V High Voltage Switch; (4)1MHz Switching Frequency; (5)Tiny Inductors and Capacitors; (6)Tiny SOT23-5 Package.

Diagrams

ACT6311 block diagram