STMicroelectronics

ST730M30R  

Linear & Switching Voltage Regulators

ST730M30R Description

The ST730M30R is a high-performance linear regulator designed for a wide range of power management applications. Manufactured by STMicroelectronics, this device is part of the Power Management Integrated Circuit (PMIC) category and is optimized for delivering stable and efficient power supply solutions. The ST730M30R features a fixed output voltage of 3V, making it suitable for applications requiring a stable and reliable power source.

This regulator is designed to operate with a maximum input voltage of 28V and can deliver an output current of up to 300mA. It boasts a low quiescent current of 10 µA, which is crucial for applications where power efficiency is paramount. The ST730M30R also features a voltage dropout of 1.2V at 300mA, ensuring efficient operation even under high load conditions.

ST730M30R Features

The ST730M30R offers several key features that set it apart from other linear regulators:

• Low Quiescent Current: With a quiescent current of just 10 µA, the ST730M30R is highly efficient, making it ideal for battery-powered and low-power applications.
• High PSRR: The regulator provides a high Power Supply Rejection Ratio (PSRR) ranging from 75dB to 35dB across frequencies from 100Hz to 1kHz, ensuring excellent noise rejection and stable output voltage.
• Protection Features: The ST730M30R includes over-current, over-temperature, and short-circuit protection, safeguarding both the regulator and the connected circuitry from potential damage.
• Control Features: The regulator features current limiting and an enable control, providing additional flexibility and control over the power management process.
• Surface Mount Packaging: Available in a surface mount package, the ST730M30R is suitable for compact and space-constrained designs.
• Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the ST730M30R is suitable for a wide range of manufacturing environments.

ST730M30R Applications

The ST730M30R is well-suited for a variety of applications where a stable and efficient power supply is essential. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables, where low power consumption and high efficiency are critical.
• Industrial Equipment: Suitable for industrial control systems, sensors, and instrumentation that require a reliable and stable power source.
• Telecommunications: Can be used in communication devices and infrastructure, ensuring stable power supply for critical components.
• Automotive Applications: Given its robust protection features and high efficiency, the ST730M30R is suitable for automotive electronics, including infotainment systems and onboard diagnostics.

Conclusion of ST730M30R

The ST730M30R from STMicroelectronics is a versatile and efficient linear regulator that offers a combination of low quiescent current, high PSRR, and robust protection features. Its fixed 3V output and ability to handle up to 300mA make it ideal for a wide range of applications, from consumer electronics to industrial and automotive systems. The surface mount packaging and compliance with environmental standards further enhance its suitability for modern, compact designs. Whether powering portable devices or critical industrial components, the ST730M30R provides a reliable and efficient power management solution.

ST730M30R Documents

Download datasheets and manufacturer documentation for ST730M30R

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ST730M30R Symbol & Footprint by SnapMagic