LMR54406DBVR Power Management Chip Switching Regulator Positive 0.8V 600mA

LMR54406DBVR Power Management ICs

PMIC Buck Switching Regulator IC Positive 0.8V 600mA Package SOT-23-6

Description

The LMR54406DBVR is a wide-VIN, easy-to-use synchronous buck converter capable of driving up to 1-A and 0.6-A load current. With a wide input range of 4 V to 36 V, the device is suitable for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR54406DBVR operates at 1.1-MHz switching frequency to support use of relatively small inductors for an optimized solution size. It has a PFM version to realize high efficiency at light load and a FPWM version to achieve constant frequency and small output voltage ripple over the full load range.

Softstart and compensation circuits are implemented internally, which allow the device to be used with minimal external components. The device has built-in protection features, such as cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown in case of excessive power dissipation.

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