STMicroelectronics

LD56100DPU28R

LD56100DPU28R Description

The LD56100DPU28R is a high-performance linear voltage regulator designed by STMicroelectronics, offering a fixed output voltage of 2.8V and a maximum output current of 1A. This regulator is designed to operate efficiently within an input voltage range of up to 5.5V, making it suitable for a wide range of applications requiring stable power supply solutions. The device features a low dropout voltage of 0.175V at 1A, ensuring high efficiency even under low input-to-output voltage differentials. This regulator is housed in an 8DFN package, which is ideal for surface mount applications, providing a compact and reliable solution for modern electronic designs.

LD56100DPU28R Features

• Fixed Output Voltage: The LD56100DPU28R provides a stable output voltage of 2.8V, ensuring consistent power delivery to connected devices.
• High Efficiency: With a low dropout voltage of 0.175V at 1A, this regulator maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator operates with a quiescent current of only 155 µA, minimizing power consumption in standby mode.
• Excellent PSRR: The device offers a power supply rejection ratio (PSRR) ranging from 70dB at 1kHz to 55dB at 100kHz, effectively filtering out noise from the input voltage source.
• Protection Features: The LD56100DPU28R includes over-current, over-temperature, and short-circuit protections, ensuring robustness and reliability in various operating conditions.
• Enable Control: The regulator features an enable pin, allowing users to control the output voltage state, which is particularly useful in power management systems.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited storage conditions.

LD56100DPU28R Applications

The LD56100DPU28R is ideal for applications requiring a stable and efficient power supply with a fixed output voltage. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power devices in smartphones, tablets, and IoT devices.
• Industrial Equipment: Suitable for providing stable power to control systems, instrumentation, and automation devices.
• Medical Devices: Can be used in portable medical equipment where low power consumption and high reliability are critical.
• Communication Systems: Provides a stable power source for low-power communication modules and RF components.

Conclusion of LD56100DPU28R

The LD56100DPU28R from STMicroelectronics is a versatile and efficient linear voltage regulator that offers a combination of high performance and reliability. Its low dropout voltage, low quiescent current, and excellent PSRR make it an ideal choice for applications where power efficiency and noise reduction are paramount. The inclusion of advanced protection features and enable control further enhances its suitability for a wide range of electronic systems. With its compact 8DFN package and surface mount compatibility, the LD56100DPU28R provides a reliable and efficient power solution for modern electronic designs.