onsemi

NCP7805CTG

NCP7805CTG Description

The NCP7805CTG is a linear voltage regulator designed by onsemi, a leading manufacturer in the power management sector. This IC is part of the Power Management Integrated Circuits (PMIC) category and is housed in a TO-220AB package. It features a fixed output voltage of 5V and is capable of delivering a maximum output current of 1A. The regulator is designed to operate efficiently within an input voltage range up to 25V. Despite its status as an obsolete product, the NCP7805CTG remains a reliable choice for applications requiring a stable 5V supply.

NCP7805CTG Features

• Fixed Output Voltage: The NCP7805CTG provides a stable 5V output, ensuring consistent power delivery to connected devices.
• High Input Voltage Range: With a maximum input of voltage 25V, this regulator can handle a wide range of input voltages, making it versatile for various power supply scenarios.
• Low Dropout Voltage: The regulator has a typical dropout voltage of 2V at 1A, allowing it to maintain regulation even when the input voltage is close to the output voltage.
• Low Quiescent Current: The NCP7805CTG operates with a quiescent current of only 8 mA, minimizing power consumption during operation.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 75dB at 120Hz ensures that the regulator can effectively filter out noise from the input power supply, resulting in a cleaner output voltage.
• Protection Features: The regulator includes over-temperature and short-circuit protection, safeguarding both the IC and connected components from potential damage.
• Wide Operating Temperature Range: The NCP7805CTG is designed to operate within a temperature range of 0°C to 125°C, making it suitable for use in a variety of environmental conditions.
• Through Hole Mounting: The through-hole mounting type ensures robust mechanical stability and ease of integration into printed circuit boards (PCBs).

NCP7805CTG Applications

The NCP7805CTG is ideal for a range of applications where a stable 5V supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as USB chargers, portable audio equipment, and small appliances that require a reliable 5V supply.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that need a stable power source to function efficiently.
• Telecommunications: Can be used in communication devices and infrastructure where a consistent power supply is crucial for reliable operation.
• Automotive Applications: Given its wide operating temperature range and robust design, the NCP7805CTG can be used in automotive electronic systems, such as infotainment systems and electronic control units.

Conclusion of NCP7805CTG

Despite its obsolete status, the NCP7805CTG remains a reliable and efficient choice for applications requiring a stable 5V supply. Its low dropout voltage, high PSRR, and robust protection features make it stand out from similar models. The wide operating temperature range and through-hole mounting type further enhance its versatility and ease of integration. While newer alternatives may offer additional features, the NCP7805CTG continues to be a trusted option for engineers and designers in the electronics industry.