SP6691 Datasheet | Sipex

FEATURES - Drives up to 6 LED's @ 25m A - Drives up to 8 LED's @ 20m A - High Output Voltage: Up to 34V - Optimized for Single Supply, 2.7V - 4.2V Applications - Operates Down to 1V - High Efficiency: Greater Than 75% - Low Quiescent Current: 20µA - Ultra Low Shutdown Current: 10n A - Single Battery Cell Operation - Programmable Output Voltage - 1Ω switch (350m V at 350m A) - Available in 8 Pin DFN, 5 Pin TSOT or 5 Pin SOT23 NC FB NC SW 1 2 3 4 8 GND 8 Pin DFN 7 VIN 6 VEN 5 NC Now Available in Lead Free Packaging APPLICATIONS - White LED Driver - High Voltage Bias - Digital Cameras - Cell Phone - Battery Backup - Handheld puters DESCRIPTION The SP6691 is a micro power boost regulator that is specifically designed for powering series configuration white LED. The part utilizes fixed off time architecture and consumes only 10n A quiescent current in shutdown. Low voltage operation, down to 1V, fully utilizes maximal battery life. The SP6691 is offered in a 8 Pin DFN, 5-pin SOT-23 or 5 Pin TSOT package and enables the construction of a plete regulator occupying < 0.2 in2 board space. TYPICAL APPLICATION CIRCUIT 10µH 2.7 to 4.2V L1 D1 SW ® SP6691 SHDN 4.7µF GND C1 FB C2 2.2 µF Rb Date: 5/25/04 SP6691 Micro Power Boost Regualtor, Series White LED Driver © Copyright 2004 Sipex...