onsemi

NCP502SQ34T2G

NCP502SQ34T2G Description

The NCP502SQ34T2G is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 3.4V and a maximum output current of 80mA. This device is part of the Linear & Switching Voltage Regulators category and is packaged in a Surface Mount SC88A form factor. Despite its status as an obsolete product, the NCP502SQ34T2G remains a reliable choice for applications requiring a stable and efficient power supply. The regulator features a maximum input voltage of 12V and a dropout voltage of 1.2V at 80mA, ensuring efficient operation even under varying input conditions.

NCP502SQ34T2G Features

• Fixed Output Voltage: The NCP502SQ34T2G provides a stable output voltage of 3.4V, making it suitable for applications requiring a consistent power supply.
• High Efficiency: With a dropout voltage of 1.2V at 80mA, the regulator maintains high efficiency, especially in applications with varying input voltages.
• Low Quiescent Current: The device features a quiescent current of 40 µA, contributing to energy savings and prolonged battery life in portable devices.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator, providing flexibility in power management.
• Protection Features: Over-current and over-temperature protection ensure the device's reliability and longevity, safeguarding against potential damage from excessive current or heat.
• Low Supply Current: The maximum supply current of 90 µA ensures minimal power consumption, making it ideal for low-power applications.
• High Power Supply Rejection Ratio (PSRR): With a PSRR of 55dB at 1kHz, the regulator effectively filters out noise from the input power supply, ensuring clean output voltage.
• Compliance and Packaging: The NCP502SQ34T2G is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards. It is available in a Tape & Reel (TR) package, facilitating easy handling and integration.

NCP502SQ34T2G Applications

The NCP502SQ34T2G is well-suited for a variety of applications where a stable and efficient power supply is crucial. Some specific use cases include:

• Portable Electronic Devices: The low quiescent current and high efficiency make it ideal for battery-powered devices, ensuring extended battery life.
• Embedded Systems: The fixed output voltage and enable control feature provide a reliable power solution for embedded systems requiring precise voltage regulation.
• Industrial Control Systems: The over-current and over-temperature protection features ensure robust performance in demanding industrial environments.
• Telecommunications: The high PSRR and low dropout voltage make it suitable for applications where noise reduction and efficient power management are critical.

Conclusion of NCP502SQ34T2G

The NCP502SQ34T2G is a robust linear voltage regulator that offers a combination of high efficiency, low quiescent current, and reliable protection features. Despite being marked as obsolete, its technical specifications and performance benefits make it a viable option for various applications. The device's compliance with environmental and regulatory standards, along with its surface mount packaging, ensures ease of integration and compatibility with modern manufacturing processes. For applications requiring a stable 3.4V output and efficient power management, the NCP502SQ34T2G remains a reliable choice.