The TA79015S is a three-terminal negative voltage regulator manufactured by Toshiba Semiconductor and Storage. It is designed to provide a stable -15V output voltage for a variety of electronic circuits. This regulator is part of the TA79 series, which are known for their simplicity, reliability, and ease of use in applications requiring a regulated negative voltage source.

Applications

• Power supplies for operational amplifiers (op-amps): Provides the negative voltage rail required for many op-amp circuits.
• Linear regulators for electronic instruments: Used in test equipment and measurement devices to maintain stable voltage levels.
• Voltage regulation in audio amplifiers: Supplies the negative voltage needed for audio amplification stages.
• Industrial control systems: Provides regulated power to sensitive components in industrial automation equipment.
• Microcontroller and microprocessor-based systems: Provides a stable negative voltage rail for supporting circuitry.

Features

• Fixed Output Voltage: Provides a pre-set -15V output, simplifying design and eliminating the need for external voltage adjustments.
• Internal Short-Circuit Current Limiting: Protects the regulator and the load from damage due to short circuits.
• Thermal Overload Protection: Shuts down the regulator if the junction temperature exceeds a safe limit, preventing thermal damage.
• High Ripple Rejection: Effectively filters out ripple voltage from the input, ensuring a clean and stable output voltage.
• TO-220 Package: Offers easy mounting and heat sinking for efficient thermal management.

Benefits

• Stable Negative Voltage Source: Ensures consistent performance of electronic circuits by providing a reliable -15V supply.
• Simplified Circuit Design: Reduces the complexity of power supply design with its fixed output voltage.
• Enhanced System Reliability: Built-in protection features safeguard against overcurrent and thermal issues.
• Easy to Use: Requires minimal external components, simplifying implementation and reducing overall system cost.
• Cost-Effective Solution: Provides a reliable regulated negative voltage at a competitive price point.

Technical Specifications

The TA79015S typically operates with an input voltage range of -17.5V to -35V. It can provide an output current of up to 1A with adequate heat sinking. The dropout voltage is typically around 2V. The operating junction temperature range is typically from -40°C to +125°C. Refer to the manufacturer's datasheet for precise specifications and application guidelines, including recommended heat sinking practices and external component selection.