The MIC2127A is a constant-frequency, synchronous buck controller featuring a unique adaptive on-time control architecture and HyperLight Load® mode. The MIC2127A operates over an input supply range of 4.5V to 75V. The output voltage is adjustable from 0.6V to 30V with an ensured accuracy of ±1%. The device features programmable switching frequency from 270 kHz to 800 kHz.
Wide input voltage range from 9V to 75V 5V preset output voltage Up to 5A load current support 300 KHz switching frequency Light load mode selection jumper (JU4) An option to supply the MIC2127A internal circuits bias power and gate drive from output voltage (JU1) Enable jumper to enable/disable the MIC2127A Power Good (PG) test point