MAX1834 Datasheet - Maxim

MAX1834, High-Efficiency Step-Up Converters

19-1802; Rev 2; 4/05 EVAALVUAAILTAIOBNLEKIT High-Efficiency Step-Up Converters with Reverse Battery Protection MAX1832 *MAX1835 General Descr

Features

* Reverse Battery Protection for DC-DC Converter and Load
* Up to 90% Efficiency
* No External Diode or FETs Needed
* Internal Synchronous Rectifier
* 4µA Quiescent Current

Applications

* Medical Diagnostic Equipment Pagers Hand-Held Instruments Remote Wireless Transmitters Digital Cameras Cordless Phones Battery Backup PC Cards Local 3.3V or 5V Supply Pin Configurations TOP VIEW LX OUT RST SHDN 1 6 FB (RST) 6 5 4 MAX1832 BATT 2 MAX1834 5 OUT (MAX1833EUT) (MAX1835) GND

MAX1834_MaximIntegratedProducts.pdf