STMicroelectronics

LD39020ADTPU08R  

Linear & Switching Voltage Regulators

LD39020ADTPU08R Description

The LD39020ADTPU08R is a high-performance linear voltage regulator from STMicroelectronics, designed to deliver a fixed output voltage of 0.8V with a maximum output current of 200mA. This regulator is optimized for low dropout operation, with a maximum dropout voltage of 0.35V at 200mA, making it ideal for applications where input voltage is close to the required output voltage. The device is housed in a compact 4DFN package, suitable for surface mount applications, and features an enable control pin for additional flexibility in power management.

LD39020ADTPU08R Features

• Output Type: Fixed output voltage of 0.8V.
• Input Voltage Range: Up to 5.5V, providing a wide range of input voltage compatibility.
• Output Current: Capable of delivering up to 200mA, suitable for low to medium current applications.
• Low Dropout Voltage: Maximum dropout voltage of 0.35V at 200mA, ensuring efficient operation even when the input voltage is close to the output voltage.
• Quiescent Current: Low quiescent current of 40 µA, minimizing power consumption during standby or low-load conditions.
• Power Supply Rejection Ratio (PSRR): High PSRR ranging from 80dB at 1kHz to 55dB at 100kHz, ensuring excellent noise rejection and stable output voltage.
• Protection Features: Over-current and over-temperature protection, along with soft start capabilities, safeguard the device and connected circuits from damage.
• Enable Control: An enable pin allows for dynamic control of the regulator's operation, enabling power-saving modes or controlled startup/shutdown sequences.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Packaging: Available in a Tape & Reel (TR) package, facilitating automated assembly processes.

LD39020ADTPU08R Applications

The LD39020ADTPU08R is well-suited for a variety of applications where a stable, low-voltage supply is required. Its low dropout voltage and high PSRR make it ideal for battery-powered devices, portable electronics, and systems with tight voltage margins. Specific use cases include:

• Battery-Powered Devices: Ideal for applications where the input voltage from a battery can drop close to the required output voltage, such as smartphones, tablets, and wearable devices.
• Portable Electronics: Suitable for powering sensitive analog circuits in portable devices, ensuring stable and clean power supply.
• Embedded Systems: Provides a reliable power solution for microcontrollers, sensors, and other low-power components in embedded systems.
• Industrial Applications: Can be used in industrial control systems where low noise and high reliability are critical.

Conclusion of LD39020ADTPU08R

The LD39020ADTPU08R from STMicroelectronics stands out as a versatile and efficient linear voltage regulator, offering a combination of low dropout voltage, high PSRR, and robust protection features. Its compact 4DFN package and enable control pin provide additional flexibility, making it an excellent choice for a wide range of applications. Whether powering sensitive analog circuits in portable devices or providing a stable supply in embedded systems, the LD39020ADTPU08R delivers reliable performance and compliance with industry standards.

LD39020ADTPU08R Documents

Download datasheets and manufacturer documentation for LD39020ADTPU08R

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