onsemi

NCP1117DTA

NCP1117DTA Description

The NCP1117DTA is a linear voltage regulator designed by onsemi, offering an adjustable output voltage range from 1.25V to 18.8V with a maximum input voltage of 20V. This device is capable of delivering a continuous output current of up to 1A, making it suitable for a variety of applications requiring stable power supply. The regulator is housed in a DPAK package, which is ideal for surface-mount applications and provides efficient thermal performance. Despite being marked as obsolete, the NCP1117DTA remains a reliable choice for many applications due to its robust design and performance characteristics.

NCP1117DTA Features

• Adjustable Output Voltage: The NCP1117DTA features an adjustable output voltage range of 1.25V to 18.8V, providing flexibility to meet specific application requirements.
• High Input Voltage Capability: With a maximum input voltage of 20V, this regulator can handle a wide range of input sources, ensuring compatibility with various power supply systems.
• High Output Current: The regulator is designed to deliver a continuous output current of 1A, making it suitable for applications requiring significant power.
• Low Dropout Voltage: The NCP1117DTA has a maximum dropout voltage of 1.2V at 800mA, which is advantageous in applications where the input-to-output voltage difference is minimal.
• Over Current and Over Temperature Protection: The device includes built-in protection features to safeguard against overcurrent and overtemperature conditions, enhancing reliability and longevity.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 73dB at 120Hz, ensuring minimal noise and ripple in the output voltage.
• Wide Operating Temperature Range: The NCP1117DTA operates reliably within a temperature range of 0°C to 125°C, making it suitable for industrial and automotive applications.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the device is suitable for use in environments with varying humidity levels without requiring special handling.

NCP1117DTA Applications

The NCP1117DTA is well-suited for a variety of applications where a stable and adjustable power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and other portable electronics that require precise voltage regulation.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that demand reliable power supply and protection features.
• Automotive Applications: The wide operating temperature range and robust design make it suitable for automotive electronics, including infotainment systems and electronic control units.
• Medical Devices: The low dropout voltage and high PSRR ensure stable power supply for sensitive medical equipment, contributing to accurate and reliable performance.

Conclusion of NCP1117DTA

The NCP1117DTA is a versatile linear voltage regulator that offers a combination of adjustable output voltage, high input voltage capability, and robust protection features. Despite being marked as obsolete, its performance characteristics and reliability make it a valuable component for many applications. The device's low dropout voltage, high PSRR, and wide operating temperature range further enhance its suitability for demanding environments. For applications requiring a stable and adjustable power supply, the NCP1117DTA remains a reliable and effective choice.