ACT6311UC-T Active-Semi

ACT6311 White LED/OLED Step-Up Converter FEATURES GENERAL DESCRIPTION Adjustable Output Voltage The ACT6311 step-up DC/DC converter is optimized for driving OLEDs or white LEDs. It can provide an Drives OLEDs or White LEDs output voltage up to 24V. The device is capable of 30V High Voltage Switch driving up to seven LEDs in series from a Lithium-Ion 1MHz Switching Frequency battery, with inherent current matching and uniform Tiny Inductors and Capacitors brightness. Tiny SOT23-5 Package 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 APPLICATIONS tiny SOT23-5 package. OLED Applications Cell Phones Digital Cameras PDAs, Laptops MP3 Players GPS Figure 1. Typical Application Circuit Data Sheet Rev. 5.0, January 19, 2020 Subject to change without notice 1 of 11 www.qorvo.com ACT6311 White LED/OLED Step-Up Converter Figure 2: Application as White LED Drive ORDERING INFORMATION PART NUMBER TEMPERATURE RANGE PACKAGE PINS TOP MARK PACKING ACT6311UC-T -40C to 85C SOT23-5 5 YCXB TAPE & REEL PIN CONFIGURATION PIN DESCRIPTION PIN NUMBER PIN NAME PIN DESCRIPTION Switch Output. Connect this pin to the inductor and the Schottky diode. To reduce EMI, minimize 1 SW the PCB trace path between this pin and the input bypass capacitor. 2 G Ground. 3 FB Feedback Input. This pin is referenced to 1.24V Shutdown Control. Connect to a logic high to enable the device. Connect to a logic low to disable 4 SHDN the device. Never leave the pin unconnected. 5 IN Supply Input. Bypass to G with a capacitor 1F capacitor or higher. Data Sheet Rev. 5.0, January 19, 2020 Subject to change without notice 2 of 11 www.qorvo.com