onsemi

CS8371ET7

CS8371ET7 Description

The CS8371ET7 is a linear regulator IC designed for power management applications, manufactured by onsemi. This device features a fixed output voltage configuration, providing two regulated outputs: 8V at 1A and 5V at 250mA. It is housed in a through-hole TO220 package, making it suitable for a variety of industrial and consumer electronics applications. The CS8371ET7 is designed to operate with a maximum input voltage of 45V, ensuring robust performance in high-voltage environments. With a dropout voltage of 1.5V at 1A and 2.5V at 250mA, this regulator offers efficient power conversion even under varying load conditions. The device also includes essential protection features such as over-temperature, over-voltage, and short-circuit protection, enhancing its reliability and longevity.

CS8371ET7 Features

• Output Type: Fixed, providing stable 8V and 5V outputs.
• Input Voltage Range: Up to 45V, suitable for a wide range of power supply applications.
• Output Current: Dual outputs of 1A and 250mA, catering to diverse load requirements.
• Number of Regulators: Two independent regulators in a single package, optimizing space and cost.
• Output Configuration: Positive, ensuring compatibility with most electronic systems.
• Supply Current: Maximum of 30 mA, minimizing power consumption.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), suitable for storage and handling in various environments.
• Quiescent Current: Low at 7 mA, enhancing efficiency in low-power applications.
• Power Supply Rejection Ratio (PSRR): High PSRR ranging from 90dB at 120Hz to 67dB at 20kHz, ensuring clean power output.
• Control Features: Enable function for dynamic control and power management.
• Protection Features: Comprehensive protection against over-temperature, over-voltage, and short circuits, ensuring reliable operation.
• Package: Through-hole TO220, providing robust mechanical and thermal performance.

CS8371ET7 Applications

The CS8371ET7 is ideal for applications requiring dual voltage regulation with high efficiency and reliability. Its dual output capability makes it suitable for systems that need both high and low current rails. Some specific use cases include:

• Consumer Electronics: Powering devices that require multiple voltage levels, such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing stable power to sensors, actuators, and control systems in harsh industrial environments.
• Telecommunications: Supplying power to base stations, routers, and other networking equipment.
• Automotive: Suitable for in-vehicle electronics where multiple voltage levels are needed for various components.
• Medical Devices: Ensuring reliable power supply to critical medical equipment, such as monitors and diagnostic tools.

Conclusion of CS8371ET7

The CS8371ET7 from onsemi is a versatile and reliable linear regulator IC, offering dual fixed output voltages with robust protection features and high efficiency. Its ability to operate with a wide input voltage range and provide stable power outputs makes it an excellent choice for a variety of applications. Despite being marked as obsolete, the CS8371ET7 remains a valuable component for designers seeking a compact, dual-output regulator solution. Its comprehensive protection features and low quiescent current further enhance its appeal, making it a reliable option for power management in demanding environments.