ST732 – 300mA, 28 V low-dropout voltage regulator, with 5 µA quiescent current

The ST732 is 300 mA LDO 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 power supply/battery. This feature is also useful when electronic modules remain permanently turned on.

The ST732 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 after-market automotive and consumer applications.

Key features

• Wide input voltage range: 2.5 V to 28 V
• Ultra-low quiescent current: typ. 5 µA at no-load, 10 µA max. across the full temperature range
• Output voltage accuracy: ± 2%
• Output current up to 300 mA
• Fixed output voltage versions, starting from 1.2 V with 100 mV step
• Stable with low ESR capacitors (0.47 µF min.)
• Thermal shutdown protection
• Current limit protection
• -40 °C to +125 °C operating temperature range

more information: https://www.st.com/en/power-management/st732.html