SP4446 Datasheet | Sipex

FEATURES - High Output Voltage: Up to 30V - High Efficiency - Low Quiescent Current: ~20u A - Miniature Package: (5-lead SOT-23) - Single Battery Cell Operation - Programmable Output Voltage - 1Ω Switch (150m V at 150m A) APPLICATIONS - LCD Bias - Tuner Pin Voltage - White LED Driver - High Voltage Bias - Digital Cameras - Cell Phone - Battery Backup - Handheld puters VIN SHDN 5 Pin SOT-23 1 Now Available in Lead Free Packaging DESCRIPTION The SP4446 is a micro power Boost Regualtor in a 5-lead SOT-23 package. It is a current limited, fixed off time regulator configured for use in boost mode applications. The operating voltage can be less than 3V and is capable of generating voltages as high as 30 Volts. The SP4446 is to be supplied in a SOT-23-5 and permits the construction of plete regulators that occupy < 0.2 square inches of board space. TYPICAL APPLICATION SCHEMATIC VIN 2 to 7V VIN SP4446 SHDN GND C1 4.7µF R2 FB 2.2 µF L1 10µH SW R1 C2 D1 High Voltage Output Rev. 7/14/03 SP4446 High Output Voltage Boost Regualtor, LCD Bias Regulator © Copyright 2003 Sipex Corporation ABSOLUTE MAXIMUM RATINGS VIN 15V SW Voltage -0.4 to 34V FB Voltage 2.5V All other pins -0.3 to VCC + 0.3V Current into FB ±1m A TJ Max 125°C Operating Temperature Range -40°C to 85°C Peak Output Current < 10us SW 500m A Storage Temperature -65°C to +150°C Power Dissipation. 200m W Lead Temperature (Soldering, 10 sec) 300°C ESD Rating 2k V HBM These are stress ratings only and functional...