LTC3675

Features n Four Monolithic Synchronous Buck DC/DCs (1A/1A/500mA/500mA) n Buck DC/DCs Can Be Paralleled to Deliver Up to 2× Current with a Single Inductor n Independent 1A Boost and 1A Buck-Boost DC/DCs n Dual String I2C Controlled 40V LED Driver n I2C Programmable Output Voltage, Operating Mode, and Switch Node Slew Rate for All DC/DCs n I2C Read Back of DC/DC, LED Driver, Fault Status n I2C Slave Address Options: LTC3675 = 0001001X, LTC3675-1 = 0110100X n Maskable Interrupts to Report DC/DC, VIN and Die Temperature Faults n Pushbutton ON/OFF/RESET n Always-On 25mA LDO n Low Quiescent Current: 16µA (All DC/DCs Off) n 4mm × 7mm × 0.75mm 44-Lead QFN Package Applications n High Power (5W to 10W) Single Cell Li-Ion/Polymer Applications n Portable Industrial Applications, Handy Terminals, Portable Instruments n Multioutput Low Voltage Power Supplies L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks of Linear Technology Corporation and Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. LTC3675/LTC3675-1 7-Channel Configurable High Power PMIC Description The LTC®3675/LTC3675-1 are a digitally programmable high efficiency multioutput power supplies plus dual string LED driver ICs optimized for high power single cell Li-Ion/Polymer applications. The DC/DCs consist of four synchronous buck converters (1A/1A/500mA/500mA), one synchronous boost dc/dc (1A), and one buck-boo...