STMicroelectronics

LDK130PU30R

LDK130PU30R Description

The LDK130PU30R is a high-performance linear voltage regulator designed by STMicroelectronics. This regulator is part of the Linear & Switching Voltage Regulators category and is ideal for applications requiring stable and efficient power management. The LDK130PU30R features a fixed output voltage of 3V and can deliver a maximum output current of 300mA. It is designed to operate with an input voltage range up to 5.5V, making it suitable for a wide range of electronic devices and systems.

The regulator is housed in a compact 6DFN package, which is optimized for surface-mount applications. This packaging choice ensures that the LDK130PU30R can be easily integrated into modern, space-constrained designs. The device also features a low quiescent current of 60 µA and a maximum supply current of 120 µA, contributing to its high efficiency and suitability for low-power applications.

LDK130PU30R Features

• Output Type: Fixed
• Input Voltage Range: Up to 5.5V
• Output Voltage: Fixed at 3V
• Output Current: Up to 300mA
• Number of Regulators: 1
• Output Configuration: Positive
• Dropout Voltage: Maximum of 0.4V at 300mA
• Quiescent Current (Iq): 60 µA
• Supply Current (Max): 120 µA
• Power Supply Rejection Ratio (PSRR): 55dB (120Hz to 10kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• Package Type: Tape & Reel (TR)
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Compliance: REACH Unaffected, ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

LDK130PU30R Applications

The LDK130PU30R is well-suited for a variety of applications where a reliable and efficient power supply is required. Its low dropout voltage and high PSRR make it ideal for use in sensitive analog circuits, microcontroller power supplies, and portable electronic devices. The enable control feature allows for dynamic power management, enhancing the flexibility of the regulator in various system designs.

Specific use cases include:

• Microcontroller Power Supplies: The LDK130PU30R can provide a stable 3V supply for microcontrollers, ensuring reliable operation and minimal power loss.
• Battery-Powered Devices: Its low quiescent current and high efficiency make it suitable for battery-powered applications, extending battery life.
• Analog Circuits: The high PSRR helps in reducing noise and ripple, making it ideal for sensitive analog circuits such as audio amplifiers and precision sensors.
• Portable Electronics: The compact 6DFN package and surface-mount design allow for easy integration into small form-factor devices.

Conclusion of LDK130PU30R

The LDK130PU30R from STMicroelectronics is a robust and efficient linear voltage regulator that offers a fixed 3V output with a maximum current of 300mA. Its low dropout voltage, high PSRR, and low quiescent current make it a superior choice for applications requiring high performance and efficiency. The inclusion of overcurrent and overtemperature protection features ensures reliability and durability in various operating conditions. The compact 6DFN package and surface-mount design further enhance its versatility, making it an excellent choice for modern electronic systems. Whether used in microcontroller power supplies, battery-powered devices, or sensitive analog circuits, the LDK130PU30R delivers reliable performance and significant advantages over similar models.