STMicroelectronics

ST1L04PT-R  

Linear & Switching Voltage Regulators

ST1L04PT-R Description

The ST1L04PT-R is a linear regulator IC designed for power management applications. Manufactured by STMicroelectronics, this device features an adjustable output voltage ranging from 0.8V to 9V, making it highly versatile for various electronic systems. With a maximum input voltage of 10V and a dropout voltage of only 1V at 1A, it ensures efficient power conversion even under varying load conditions. The regulator is housed in a PPAK package, suitable for surface-mount applications, and is designed for an operating temperature range of 0°C to 125°C. It offers a quiescent current of 3 mA and a power supply rejection ratio (PSRR) that varies from 50dB at 120Hz to 20dB at 100kHz, ensuring stable performance across a wide frequency spectrum. The ST1L04PT-R also includes over-current and over-temperature protection features, enhancing its reliability and safety in operation.

ST1L04PT-R Features

• Adjustable Output Voltage: The ST1L04PT-R provides an adjustable output voltage ranging from 0.8V to 9V, offering flexibility to meet diverse power requirements.
• High Efficiency: With a dropout voltage of 1V at 1A, the regulator maintains high efficiency even under heavy load conditions, minimizing power loss and heat generation.
• Low Quiescent Current: A quiescent current of 3 mA ensures minimal power consumption during standby or low-load operation, making it suitable for battery-powered applications.
• Wide Operating Temperature Range: The device operates reliably within a temperature range of 0°C to 125°C, making it suitable for both industrial and consumer applications.
• Protection Features: Over-current and over-temperature protection features safeguard the regulator and connected circuits from damage due to excessive current or temperature.
• High PSRR: The power supply rejection ratio ranges from 50dB at 120Hz to 20dB at 100kHz, ensuring stable output voltage and minimal noise in the power supply.
• Surface-Mount Package: The PPAK package is designed for surface-mount technology, facilitating easy integration into compact and high-density PCB designs.

ST1L04PT-R Applications

The ST1L04PT-R is ideal for a variety of applications where a reliable and efficient power supply is required. Its adjustable output voltage and high efficiency make it suitable for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing stable power for sensors, actuators, and control systems in industrial environments.
• Telecommunications: Supplying power to communication modules and base stations.
• Automotive Electronics: Ensuring reliable power for infotainment systems, ECUs, and other automotive electronic components.
• Medical Devices: Powering medical equipment that requires stable and low-noise power supplies.

Conclusion of ST1L04PT-R

The ST1L04PT-R from STMicroelectronics is a versatile and efficient linear regulator designed for a wide range of power management applications. Its adjustable output voltage, low dropout voltage, and high PSRR make it an excellent choice for systems requiring stable and efficient power conversion. The inclusion of over-current and over-temperature protection features further enhances its reliability and safety. Despite being marked as obsolete, the ST1L04PT-R remains a robust option for applications where its unique features and performance benefits are required.

ST1L04PT-R Documents

Download datasheets and manufacturer documentation for ST1L04PT-R

Datasheets :

ST1L04      

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HTML Datasheet :

ST1L04