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Description

FULL DATA SHEET (PDF, 95kB) Download   E-Mail The MAX1797 evaluation kit (EV kit) is a high-efficiency, step-up DC-DC converter for portable hand-held devices. Unlike typical boost circuits, the MAX1797 output is completely disconnected from the input in shutdown. The EV kit accepts a positive input voltage between 0.7V and VOUT and converts it to a 3.3V output for currents up to 500mA. The EV kit provides ultra-low quiescent current and high efficiency for maximum battery life. The MAX1797 EV kit is a fully assembled and tested surface-mount printed circuit (PC) board. It can also be used to evaluate other output voltages in the 2V to 5.5V range. Additional pads on the board accommodate the external feedback resistors for setting different output voltages.

Key Features		Applications/Uses
Output Disconnects from Input During Shutdown Operates Down to 0.7V Input Supply Voltage Adjustable Output Voltage (2V to 5.5V, External Divider) Up to 500mA Output Current No External Schottky Diode Required Synchronous Rectification for Improved Efficiency Damping Circuit Reduces EMI 1µA (typ) Shutdown Current Low-Battery Detector (LBI/LBO) 8-Pin µMAX® Package Surface-Mount Construction Fully Assembled and Tested		Cell Phones Consumer Audio Cordless Phones Digital Cameras and Camcorders End Equipment Global Positioning Systems (GPS) Handy Terminals LCD Displays Notebook Computers Organizers Pagers Palmtop Computers PDAs Pen Entry Palmtops Point-of-Sale Terminals Portable Patient Monitoring/Drug Delivery Portable Test Meters

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