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FULL DATA SHEET (PDF, 520kB) Download   E-Mail The MAX1556 evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX1556 and MAX1557 PWM step-down DC-DC converters. The circuit operates from 2.6V to 5.5V. The MAX1556 delivers up to 1.2A and has pin-selectable 1.8V, 2.5V, 3.3V, and adjustable output. The MAX1557 delivers up to 600mA and has pin-selectable 1V, 1.3V, 1.5V, and adjustable output. Each circuit features an on-board shutdown control.

Key Features		Applications/Uses
Up to 97% Efficiency 95% Efficiency at 1mA Load Current 1MHz PWM Switching Frequency Tiny Inductors Pin-Selectable Output Voltages MAX1556: 3.3V, 2.5V, 1.8V, and Adjustable MAX1557: 1.5V, 1.3V, 1.0V, and Adjustable 1.2A Guaranteed Output Current (MAX1556) Voltage Positioning Optimizes Load-Transient Response Low 16µA Quiescent Current Low 27µA Quiescent Current in Dropout Low 0.1µA Shutdown Current Analog Soft-Start with Zero Overshoot Current Small, 10-Pin, 3mm x 3mm TDFN Package Fully Assembled and Tested		Cell Phones/Smartphones Digital Cameras and Camcorders Handheld Instruments PDAs and Palmtop Computers Portable MP3 and DVD Players

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