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MP1476, MP1476L, MP1477, MP1477H

2018-02-26  Semiconductor ICs   MPS

A Family of fully integrated, synchronous Step-Down Converters

The MP147x is a fully integrated, high-frequency, synchronous rectified, step-down, switch-mode converter with internal power MOSFETs by MPS. The MP147x offers a very compact solution that achieves 2A (MP1476/L) or 3A (MP1477/H) of continuous output current with excellent load and line regulation over a wide input range.


Full protection features include short-circuit protection (SCP), over-current protection (OCP), under-voltage protection (UVP), and thermal shutdown.

The MP147x-Series requires a minimal number of readily available, standard, external components and is available in a space-saving SOT563 package.



  • Wide Operating Input Range
    • MP1476L: 3.9V to 18V
    • MP1476:  4.2V to 18V
    • MP1477, MP1477H: 4.2V to 17V
    • 126mΩ/58mΩ (MP1476/L) or 58mΩ/27mΩ (MP1477/H) Low RDS(ON) Internal Power MOSFETs
    • Low IQ 190-200μA
    • High-Efficiency Synchronous Mode Operation
    • Power-Save Mode (PSM) at Light Load
    • Fast Load Transient Response
    • 800kHz (1200KHz MP1477H) Switching Frequency
    • Internal Soft Start (SS)
    • Over-Current Protection (OCP) and Hiccup
    • Thermal Shutdown
    • Output Adjustable from 0.8V
    • Available in a low cost and space saving SOT563 Package


For more details, please contact Thomas Berner.


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