G2619

Global Mixed-mode Technology High Efficiency, Constant LEDs Driver Current G2619 20V White- Feature „ Operating Voltage: 2.5V to 20V. „ High Operating Frequency: 1MHz „ High Output Voltage: Up to 20V(Typ.) „ Digital Dimming Control. „ Built-in Cycle-by Cycle Current-Limiting. „ Built-in Soft-Start Function. „ 0.2V Low Reference Voltage „ Thermal Overload Protection „ Thin 8-Lead 2x2 TDFN Packages Application GPS Navigation System Compact Back Light Module Constant Current Source LED Module Ordering Information ORDER NUMBER G2619RC1U Note: RC: TDFN2X2-8 1 : Bonding Code U: Tape & Reel MARKING 2619 Pin Configuration Description The G2619 step-up converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input can be pulsed repeatedly to adjust LED’s brightness. The fast 1.0 MHz ...