STMicroelectronics

LD39020DTPU30R  

Linear & Switching Voltage Regulators

LD39020DTPU30R Description

The LD39020DTPU30R is a high-performance linear voltage regulator designed by STMicroelectronics. This device is specifically tailored for applications requiring a stable and reliable power supply with minimal power loss. The regulator features a fixed output voltage of 3V and is capable of delivering a maximum output current of 200mA. It operates within an input voltage range up to 5.5V, ensuring compatibility with a wide range of power sources. The LD39020DTPU30R is housed in a surface-mount package, making it suitable for compact and space-constrained designs.

LD39020DTPU30R Features

• Fixed Output Voltage: The regulator maintains a consistent 3V output, ensuring stable power supply to connected devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.35V at 200mA, the LD39020DTPU30R efficiently converts input voltage to the desired output, minimizing power loss and heat generation.
• Low Quiescent Current: The device consumes only 40 µA in quiescent mode, making it ideal for battery-operated and low-power applications.
• High Power Supply Rejection Ratio (PSRR): The regulator boasts a PSRR of 80dB at 1kHz and 55dB at 100kHz, effectively filtering out noise and ripple from the input power source.
• Enable Control Feature: The enable pin allows for easy control of the regulator's operation, providing flexibility in managing power states.
• Protection Features: The LD39020DTPU30R includes over-current and over-temperature protection, as well as soft start functionality, ensuring robustness and reliability in various operating conditions.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. It is available in a Tape & Reel (TR) package, facilitating efficient handling and assembly processes.

LD39020DTPU30R Applications

The LD39020DTPU30R is well-suited for a variety of applications where a stable and efficient power supply is critical. Its low dropout voltage and high PSRR make it ideal for:

• Battery-Powered Devices: The regulator's low quiescent current and high efficiency ensure extended battery life, making it perfect for portable electronics such as smartphones, tablets, and wearable devices.
• Low-Power Systems: Its ability to maintain a stable output voltage with minimal power loss makes it suitable for low-power microcontrollers, sensors, and IoT devices.
• Noise-Sensitive Applications: The high PSRR ensures clean power supply, making it ideal for audio equipment, precision instruments, and medical devices where noise and ripple can affect performance.
• Industrial and Automotive Systems: The robust protection features and wide operating temperature range make it suitable for demanding industrial and automotive applications.

Conclusion of LD39020DTPU30R

The LD39020DTPU30R stands out as a reliable and efficient linear voltage regulator, offering a combination of high performance and advanced protection features. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for a wide range of applications, from battery-operated devices to noise-sensitive equipment. The enable control feature and comprehensive protection mechanisms further enhance its versatility and reliability. With its compact surface-mount package and compliance with environmental standards, the LD39020DTPU30R is a top choice for designers seeking a high-quality power solution.

LD39020DTPU30R Documents

Download datasheets and manufacturer documentation for LD39020DTPU30R

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