Panasonic

AN7709SP

AN7709SP Description

The AN7709SP is a linear voltage regulator designed by Panasonic Electronic Components, offering a fixed output voltage of 9V and a maximum output current of 1.2A. This regulator is housed in a surface-mount package, making it suitable for compact and space-constrained applications. The AN7709SP operates within a temperature range of 25°C to 125°C, ensuring reliable performance in a variety of environmental conditions. With a maximum input voltage of 20V, it provides a wide input voltage range, making it versatile for different power supply configurations. The regulator features a quiescent current of 5 mA, which is essential for minimizing power consumption in low-load conditions. Additionally, it boasts a Power Supply Rejection Ratio (PSRR) of 65dB at 120Hz, ensuring high stability and noise rejection in the output voltage.

AN7709SP Features

• Fixed Output Voltage: The AN7709SP provides a stable 9V output voltage, ensuring consistent power delivery to connected devices.
• High Output Current: With a maximum output current of 1.2A, this regulator can efficiently power demanding applications.
• Wide Operating Temperature Range: The 25°C to 125°C operating temperature range makes the AN7709SP suitable for both standard and high-temperature environments.
• Low Quiescent Current: A quiescent current of 5 mA minimizes power loss, enhancing efficiency in low-load scenarios.
• High PSRR: The 65dB PSRR at 120Hz ensures minimal noise and ripple in the output voltage, providing clean power to sensitive electronics.
• Protection Features: The AN7709SP includes over-current, over-temperature, and short-circuit protection, safeguarding both the regulator and connected devices from potential damage.
• Surface-Mount Packaging: The surface-mount package allows for easy integration into modern PCB designs, saving space and improving reliability.
• Positive Output Configuration: The positive output configuration is ideal for applications requiring a stable positive voltage supply.

AN7709SP Applications

The AN7709SP is well-suited for a variety of applications where a stable and reliable 9V power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as radios, amplifiers, and other audio equipment that require a stable 9V supply.
• Industrial Equipment: Suitable for powering sensors, controllers, and other industrial components that operate within the specified voltage and current ranges.
• Telecommunications: Can be used in communication devices and infrastructure where a reliable power supply is crucial for uninterrupted operation.
• Automotive Electronics: Given its wide operating temperature range, the AN7709SP can be used in automotive applications where components are exposed to varying temperatures.
• Medical Devices: Provides a stable power supply for medical equipment that requires precise voltage regulation and low noise.

Conclusion of AN7709SP

The AN7709SP from Panasonic Electronic Components is a robust and reliable linear voltage regulator designed for applications requiring a stable 9V supply. Its wide operating temperature range, low quiescent current, and high PSRR make it suitable for a variety of demanding environments. The inclusion of over-current, over-temperature, and short-circuit protection ensures the longevity and reliability of both the regulator and connected devices. While the AN7709SP is now considered obsolete, its technical specifications and performance benefits still make it a valuable component for existing designs and legacy systems. For new designs, engineers may consider its successor or similar models that offer comparable or enhanced features.