Power Electronics / Power Management


28 V low-dropout regulator

1 November 2019 Power Electronics / Power Management

STMicroelectronics’ ST730 is a 28 V, 300 mA LDO (low-dropout) regulator, designed to be used in several medium-voltage applications. Ultra-low quiescent current of 5 μA makes it suitable for applications permanently connected to a power supply/battery. This feature is also useful when electronic modules remain permanently turned on.

The ST730 embeds protection functions such as current limit, short circuit and thermal shutdown. The extended input voltage range, very low drop voltage and low quiescent current features make it suitable also for low-power aftermarket automotive and consumer applications.


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