The TA7820SB is a three-terminal positive voltage regulator from Toshiba Semiconductor and Storage. This regulator is designed to provide a stable output voltage of 20V, making it suitable for a variety of electronic applications requiring a regulated power supply. Its ease of use and built-in protection features make it a popular choice among designers.

Applications

• Power Supplies: Used in linear power supplies to provide a stable 20V output.
• Voltage Regulation: Provides stable voltage in electronic circuits for various components.
• Battery Chargers: Used in battery charging circuits to regulate the charging voltage.
• Instrumentation: Powers sensitive instrumentation equipment requiring a stable voltage.
• Consumer Electronics: Used in various consumer electronics devices to provide a regulated power source.

Features

• Fixed Output Voltage: Provides a stable 20V output.
• Internal Overload Protection: Protects the regulator from excessive current draw.
• Internal Thermal Overload Protection: Protects the regulator from overheating.
• Short-Circuit Protection: Protects the regulator and connected circuits from short circuits.
• High Ripple Rejection: Minimizes output voltage ripple.

Benefits

• Stable Output Voltage: Ensures consistent performance of connected devices.
• Protection Against Damage: Built-in protection features prevent damage from overload, overheating, and short circuits.
• Simplified Circuit Design: Requires minimal external components for operation.
• Improved Reliability: Provides stable and reliable power, extending the lifespan of electronic devices.
• Easy to Use: Simple three-terminal design makes it easy to integrate into existing circuits.

Additional Details

The TA7820SB is typically available in a TO-220 package. It requires a minimum input voltage slightly above 20V to maintain regulation. The maximum input voltage is usually around 35V. The maximum output current is typically around 1A. It also features a thermal shutdown function that activates at high temperatures to prevent damage. This regulator is designed to provide stable and reliable power for a wide array of applications. Refer to the official Toshiba datasheet for full specifications, application notes and any specific recommendations related to circuit implementation, thermal management and safety. These components often require proper heat sinking to operate safely at high current levels.