STMicroelectronics

LD56100DPU30R

LD56100DPU30R Description

The LD56100DPU30R is a high-performance linear regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This device is part of the Power Management Integrated Circuits (PMIC) category and is specifically tailored for applications requiring a fixed output voltage and low dropout characteristics. The LD56100DPU30R features a fixed output voltage of 3V and can deliver a continuous output current of up to 1A. It operates within an input voltage range up to 5.5V, making it suitable for a variety of power supply applications. The regulator is housed in an 8-lead DFN package, ensuring a compact and efficient design for surface-mount applications.

LD56100DPU30R Features

• Fixed Output Voltage: The LD56100DPU30R provides a stable 3V output voltage, ensuring consistent power delivery to connected devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.165V at 1A, this regulator can maintain regulation even when the input voltage is close to the output voltage, enhancing efficiency in low-headroom applications.
• Low Quiescent Current: The device features a low quiescent current of 155 µA, making it ideal for battery-powered and low-power applications where energy efficiency is crucial.
• High PSRR: The regulator offers a high Power Supply Rejection Ratio (PSRR) of 70dB at 1kHz and 55dB at 100kHz, effectively filtering out noise from the input supply and ensuring clean output voltage.
• Control and Protection Features: The LD56100DPU30R includes enable and soft start control features, allowing for precise control over the regulator's operation. Additionally, it features over-current, over-temperature, and short-circuit protection, ensuring robustness and reliability in various operating conditions.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards. It is available in a Tape & Reel (TR) package, facilitating efficient handling and assembly in manufacturing processes.

LD56100DPU30R Applications

The LD56100DPU30R is well-suited for a range of applications where a stable and efficient power supply is required. Its low dropout voltage and high PSRR make it ideal for use in battery-powered devices, portable electronics, and systems where input voltage variations are common. The regulator's compact 8-lead DFN package and surface-mount design allow for easy integration into space-constrained designs. Specific use cases include:

• Battery-Powered Devices: Ideal for applications such as smartphones, tablets, and wearable devices where battery life and efficiency are critical.
• Portable Electronics: Suitable for portable audio devices, digital cameras, and other consumer electronics that require a reliable and efficient power supply.
• Industrial Systems: Can be used in industrial control systems, sensors, and IoT devices where low power consumption and high reliability are essential.

Conclusion of LD56100DPU30R

The LD56100DPU30R from STMicroelectronics stands out as a high-performance linear regulator with a unique combination of features that cater to the needs of modern power management applications. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for battery-powered and low-power systems. The inclusion of advanced control and protection features ensures reliable operation in various conditions. With its compact and efficient design, the LD56100DPU30R is well-positioned to meet the demands of today's demanding electronics market, offering significant advantages over similar models in terms of performance and reliability.