STMicroelectronics

LDK120PU33R

LDK120PU33R Description

The LDK120PU33R is a high-performance linear regulator from STMicroelectronics, designed to provide a fixed output voltage of 3.3V with a maximum output current of 200mA. This regulator is optimized for low power consumption, making it ideal for a variety of applications where efficiency and reliability are paramount. The device features a low dropout voltage of 0.3V at 200mA, ensuring efficient operation even at low input voltages. The regulator's quiescent current is a mere 60 µA, contributing to its overall energy efficiency.

LDK120PU33R Features

• Output Type: Fixed, providing a stable 3.3V output.
• Input Voltage Range: Up to 5.5V, offering flexibility in power supply options.
• Output Current: Capable of delivering up to 200mA, suitable for a wide range of electronic devices.
• Low Dropout Voltage: 0.3V at 200mA, ensuring high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: 60 µA, minimizing power consumption in standby mode.
• High PSRR: 55dB (120Hz to 10kHz), ensuring excellent noise rejection and stable output.
• Control Features: Enable functionality allows for dynamic control of the regulator's operation.
• Protection Features: Over-current and over-temperature protection safeguard the device and connected circuits.
• Mounting Type: Surface mount, suitable for compact and high-density PCB designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

LDK120PU33R Applications

The LDK120PU33R is well-suited for a variety of applications where a stable, low-power, and efficient voltage regulator is required. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearable technology where battery life and efficiency are critical.
• Industrial Equipment: Suitable for low-power sensors and control systems that require stable power supply and minimal power consumption.
• Automotive Applications: Applicable in automotive electronics for systems that need reliable power regulation and low quiescent current.
• Medical Devices: Perfect for medical equipment where low power consumption and high reliability are essential.
• IoT Devices: Ideal for Internet of Things (IoT) devices that require efficient power management and low power consumption.

Conclusion of LDK120PU33R

The LDK120PU33R from STMicroelectronics stands out as a highly efficient and reliable linear regulator, offering a fixed 3.3V output with a maximum current of 200mA. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring stable and efficient power regulation. The inclusion of over-current and over-temperature protection features ensures robustness and reliability. The surface mount package and tape & reel delivery format make it suitable for automated assembly processes, further enhancing its appeal for modern electronics manufacturing. Overall, the LDK120PU33R is a versatile and high-performance solution for a wide range of power management needs.