NCP5608

www.DataSheet4U.com NCP5608 Multiple LED Charge Pump Driver The NCP5608 is a high efficiency boost converter operating in current loop, based on a charge pump multi mode, to drive White LED. The current mode regulation allows a uniform and programmable brightness of the LEDs. The chip has been optimized for small ceramic capacitors, capable to supply up to 2.0 W output power. Features http://onsemi.com MARKING DIAGRAM 24 1 24 PIN TQFN (4x4) MT SUFFIX CASE 511AA A L Y W G = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package NCP 5608 ALYW G 2.7 to 5.5 V Input Voltage Range Up to 500 mA Output Current Capable to Drive 8 LED Multi Mode Charge Pump Based Converter I2C Serial Link Protocol Consistent High Efficiency Independently Block Programmable Output Currents Programmable 3 or 4 Operating Backlight LED at Zero Extra Losses Constant Output Current Regulation Built−in Dimming Function Tight Automatic LED Current Matching Thermal Shutdown Protection Low Battery Return Noise This is a Pb−Free Device* PIN CONNECTIONS PVbat 19 18 VOUT 17 C1P 16 C1N 15 LED8 14 LED7 13 PGND 7 LED1 8 LED2 9 LED3 10 LED4 11 LED5 12 LED6 Shipping† 4000 / Tape & Reel AVbat C3N C2N 20 C3P 22 C2P 21 24 AGND 1 IREFFL 2 IREFBK 3 SDA 4 SCL 5 CCMP 6 23 Typical Applications LED Display Back Light Control Keyboard Back Light High Power Photo Flash Multiple Displays ORDERING INFORMATION Device NCP5608MTR2G Package TQFN24 (Pb−Free) *For additional inform...