The TA78M09F is a three-terminal positive voltage regulator manufactured by Toshiba Semiconductor and Storage. This device provides a fixed 9V output voltage and is designed for a variety of applications requiring stable voltage regulation.

Applications

• Power supplies for microcontrollers: Providing a stable 9V supply for various microcontroller-based systems.
• Regulation in consumer electronics: Used in devices such as audio amplifiers, televisions, and other appliances needing a regulated 9V power rail.
• Industrial control systems: Providing a regulated voltage source for sensors, actuators, and other components in industrial automation.
• Battery chargers: Regulating the voltage output for charging batteries efficiently and safely.
• Instrumentation: Used in test and measurement equipment to ensure accurate and stable voltage levels.

Features

• Fixed 9V Output: Provides a stable and precise 9V output voltage.
• Internal Short-Circuit Current Limiting: Protects the regulator and connected circuitry from damage due to short circuits.
• Thermal Overload Protection: Shuts down the regulator if the internal temperature exceeds safe limits, preventing thermal damage.
• High Ripple Rejection: Effectively filters out unwanted noise and ripple from the input voltage, ensuring a clean and stable output.
• Small Package: Available in a compact package suitable for space-constrained applications.

Benefits

• Stable Voltage Supply: Ensures consistent and reliable operation of connected devices by providing a regulated 9V output.
• Protection Against Overload: Protects both the regulator and the load from damage due to overcurrent or thermal conditions.
• Simplified Circuit Design: Requires minimal external components, simplifying the design process and reducing board space.
• Improved System Reliability: Enhances the overall reliability of the system by providing stable power and protection against common faults.
• Cost-Effective Solution: Offers a low-cost solution for achieving reliable voltage regulation in a wide range of applications.

Additional Details

The TA78M09F operates with an input voltage range typically between 12V and 35V. It is available in a small surface-mount package. The device also features a built-in safe operating area (SOA) protection, which further enhances its robustness. The output voltage tolerance is typically ±4%, ensuring consistent performance across different operating conditions.