onsemi

NCP502SN29T1G

NCP502SN29T1G Description

The NCP502SN29T1G is a linear regulator IC designed for power management applications, offering a fixed output voltage of 2.9V and a maximum output current of 80mA. Manufactured by onsemi, this device is housed in a 5TSOP package and is suitable for surface mount applications. Despite being marked as obsolete, it remains a reliable choice for specific power management needs. The regulator features a maximum input voltage of 12V and a dropout voltage of 1.3V at 80mA, ensuring efficient operation even under varying load conditions. It also includes essential protection features such as over-current and over-temperature protection, enhancing its reliability and durability.

NCP502SN29T1G Features

• Fixed Output Voltage: Provides a stable 2.9V output, ideal for applications requiring a consistent power supply.
• High Efficiency: With a dropout voltage of 1.3V at 80mA, it ensures minimal power loss and high efficiency.
• Low Quiescent Current: Features a quiescent current of only 40 µA, making it suitable for low-power applications.
• Enable Control: Includes an enable feature, allowing for precise control over the regulator's operation.
• Protection Features: Over-current and over-temperature protection ensure the device's longevity and reliability.
• Low Noise and High PSRR: Offers a power supply rejection ratio (PSRR) of 55dB at 1kHz, minimizing noise and ensuring clean power output.
• Compliance and Packaging: REACH unaffected, RoHS3 compliant, and packaged in tape & reel (TR), making it suitable for environmentally conscious applications.

NCP502SN29T1G Applications

The NCP502SN29T1G is ideal for a variety of applications where a stable and efficient power supply is required. Its fixed 2.9V output and 80mA current capacity make it suitable for powering small electronic devices, sensors, and microcontrollers. The low quiescent current and high PSRR ensure minimal power consumption and noise, making it perfect for battery-operated devices and precision instrumentation. The enable control feature allows for dynamic power management, further enhancing its versatility. Its robust protection features make it reliable for use in harsh environments, such as industrial control systems and automotive applications.

Conclusion of NCP502SN29T1G

The NCP502SN29T1G is a versatile and reliable linear regulator IC, offering a fixed 2.9V output and 80mA current capacity. Despite its obsolete status, it remains a valuable option for applications requiring a stable and efficient power supply. Its low quiescent current, high PSRR, and protection features make it suitable for a wide range of applications, from battery-operated devices to industrial control systems. While newer models may offer additional features, the NCP502SN29T1G's proven performance and reliability continue to make it a preferred choice for many engineers and designers in the electronics industry.