STMicroelectronics

ST1S03APUR  

DC Switching Voltage Regulators

ST1S03APUR Description

The ST1S03APUR is a high-performance DC switching voltage regulator designed for a wide range of applications requiring efficient power conversion. Manufactured by STMicroelectronics, this regulator is part of the DC Switching Voltage Regulators category and is known for its adjustable output type, making it versatile for various power management needs. The ST1S03APUR features an input voltage range of 3V to 5.5V, allowing it to operate efficiently in diverse power supply environments. It delivers a maximum output current of 1.5A, ensuring robust power delivery to demanding loads. The regulator's output voltage is adjustable from 0.8V to 4.79V, providing flexibility in configuring the output to meet specific application requirements.

ST1S03APUR Features

• Adjustable Output Voltage: The ST1S03APUR offers an adjustable output voltage range from 0.8V to 4.79V, providing flexibility to meet the specific needs of various applications.
• High Efficiency: With a switching frequency of 1.5MHz, the regulator ensures high efficiency in power conversion, minimizing energy loss and heat generation.
• Wide Input Voltage Range: The regulator operates within an input voltage range of 3V to 5.5V, making it suitable for a variety of power supply environments.
• High Output Current: Capable of delivering up to 1.5A of output current, the ST1S03APUR can support demanding loads and high-power applications.
• Positive Output Configuration: The regulator features a positive output configuration, ensuring compatibility with a wide range of electronic systems.
• Surface Mount Technology: The ST1S03APUR is designed for surface mount applications, facilitating easy integration into compact and high-density PCB designs.
• Compliance and Reliability: The regulator is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. It also features a moisture sensitivity level (MSL) of 1, indicating unlimited storage life, which enhances its reliability in various operating conditions.
• Operating Temperature Range: The ST1S03APUR operates within a temperature range of 0°C to 125°C (TJ), making it suitable for applications in diverse thermal environments.

ST1S03APUR Applications

The ST1S03APUR is ideal for a variety of applications where efficient power conversion and flexibility are critical. Some specific use cases include:

• Consumer Electronics: Ideal for powering portable devices, smartphones, tablets, and other consumer electronics that require efficient power management and adjustable voltage output.
• Industrial Equipment: Suitable for industrial applications where reliable power delivery and high efficiency are essential, such as in control systems, sensors, and actuators.
• Telecommunications: Can be used in telecom infrastructure equipment, including base stations and network routers, where stable power supply and high efficiency are crucial.
• Automotive Systems: Applicable in automotive electronics, such as infotainment systems, telematics, and advanced driver-assistance systems (ADAS), where the regulator's wide input voltage range and high output current are beneficial.

Conclusion of ST1S03APUR

The ST1S03APUR from STMicroelectronics is a versatile and high-performance DC switching voltage regulator that offers adjustable output voltage, high efficiency, and robust power delivery. Its wide input voltage range, high output current capability, and compliance with environmental and regulatory standards make it an ideal choice for a variety of applications. Despite being marked as obsolete, the ST1S03APUR remains a reliable option for engineers and designers seeking a flexible and efficient power management solution.

ST1S03APUR Documents

Download datasheets and manufacturer documentation for ST1S03APUR

Datasheets :

ST1S03A      

Reference Design Library :

STEVAL-ISA042V1: 1.2V @ 1.5A, 3 ~ 16V in      

HTML Datasheet :

ST1S03A