Panasonic

AN77L03

AN77L03 Description

The Panasonic AN77L03 is a linear voltage regulator designed to provide a stable 3V output with a maximum output current of 100mA. This regulator is housed in a TO92-3 package, making it suitable for through-hole mounting. Despite its small form factor, the AN77L03 offers robust performance with a quiescent current of only 5mA and a high power supply rejection ratio (PSRR) of 70dB at 120Hz. The regulator is designed to operate with a maximum input voltage of 13.62V, ensuring compatibility with a wide range of power sources.

AN77L03 Features

• Fixed Output Voltage: The AN77L03 provides a stable 3V output, ideal for applications requiring a precise voltage supply.
• Low Quiescent Current: With a quiescent current of just 5mA, the AN77L03 is highly efficient, making it suitable for battery-powered devices where power consumption is a critical concern.
• High PSRR: The regulator boasts a PSRR of 70dB at 120Hz, effectively filtering out noise from the input power supply to ensure clean output voltage.
• Protection Features: The AN77L03 includes over-current, over-temperature, and short-circuit protection, safeguarding both the regulator and connected components from potential damage.
• Through-Hole Mounting: The TO92-3 package allows for easy integration into PCB designs using through-hole technology.
• Single Regulator: The AN77L03 is a single regulator solution, simplifying circuit design and reducing component count.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the AN77L03 is highly resistant to moisture, ensuring reliability in various environmental conditions.

AN77L03 Applications

The AN77L03 is well-suited for a variety of applications where a stable 3V supply is required. Its low quiescent current and high PSRR make it particularly ideal for:

• Battery-Powered Devices: The efficiency of the AN77L03 ensures minimal power loss, extending battery life in portable electronics.
• Low-Power Electronics: Applications such as microcontrollers, sensors, and other low-power circuits benefit from the regulator's stable output and low noise.
• Consumer Electronics: The AN77L03 can be used in devices like digital cameras, MP3 players, and other portable consumer electronics.
• Industrial Applications: The regulator's robust protection features and moisture resistance make it suitable for industrial environments where reliability and durability are paramount.

Conclusion of AN77L03

The Panasonic AN77L03 is a versatile and reliable linear voltage regulator that offers a stable 3V output with a maximum current of 100mA. Its low quiescent current and high PSRR make it an efficient and noise-free solution, ideal for a wide range of applications. The inclusion of over-current, over-temperature, and short-circuit protection ensures the longevity and reliability of both the regulator and connected components. Despite its small form factor, the AN77L03 provides robust performance and is well-suited for battery-powered devices, low-power electronics, consumer electronics, and industrial applications.