The TS7918CZ CO is a three-terminal negative voltage regulator manufactured by Taiwan Semiconductor. It is designed to provide a stable and reliable -18V DC output voltage. It is part of the TS79 series, which provides fixed negative output voltages. These regulators are commonly used in electronic circuits that require a consistent negative power supply to sensitive components, particularly in applications that need both positive and negative voltage rails.

Applications

• Operational Amplifier Power Supplies: Providing a stable -18V supply for operational amplifiers requiring dual power supplies.
• Analog Circuitry: Ensuring a steady negative voltage source for analog signal processing circuits.
• Data Acquisition Systems: Stabilizing voltage for data acquisition modules requiring negative voltage rails.
• Instrumentation and Measurement Equipment: Providing accurate negative voltage for precise readings in testing devices.
• Industrial Control Systems: Powering sensors and other components in industrial automation systems that require a negative voltage.

Features

• Fixed -18V Output: Delivers a constant -18V output voltage.
• Internal Short-Circuit Current Limiting: Protects the regulator and connected circuitry from short circuits by limiting current flow.
• Thermal Overload Protection: Shuts down the regulator when the internal temperature exceeds safe limits, preventing overheating and damage.
• TO-220 Package: Allows for easy mounting and effective heatsinking for thermal management.

Benefits

• Stable Negative Voltage Supply: Ensures consistent performance of connected devices that require a negative voltage rail, mitigating the effects of input voltage fluctuations.
• Enhanced Reliability: Overload protection features extend the lifespan of both the regulator and connected circuits.
• Ease of Use: Requires minimal external components, simplifying circuit design.
• Cost-Effective Solution: Offers an affordable negative voltage regulation solution for a variety of applications.

The TS7918CZ CO is packaged in a TO-220 package for easy mounting and heatsinking. It's a dependable negative linear voltage regulator ideal for many purposes. To ensure proper regulation, the input voltage must be more negative than -20V. A heatsink is required for higher current operation. The 'CO' suffix may refer to country of origin or some other manufacturing detail.