The MP2128 is a 3MHz constant frequency, current mode, PWM step-down converter with integrated main switch and synchronous rectifier that is ideal for powering portable equipment that runs from a single Li-Ion or Li-Polymer battery. The MP2128 can supply up to 1A load current from a 2.5V to 6V input voltage. The output voltage can be as low as 0.6V. Additional features include <1? shutdown current, internal soft-start, cycle-by-cycle over current protection, short circuit protection, and thermal shutdown. The MP2128 is available in low profile (1.5mm) 5-pin SOT23 and 8-pin, QFN8 2mm?mm packages.
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