The LM79L15ACZ is a three-terminal negative voltage regulator from Boca Semiconductor Corporation. It is designed to provide a fixed -15V output voltage. This series of regulators are useful in a wide range of applications, offering a simple solution for local on-card regulation to eliminate noise and regulation problems associated with single-point regulation.

Applications

• Linear Power Supplies: Providing a stable -15V rail for analog circuits and instrumentation.
• Battery Chargers: Regulating the negative voltage for charging circuits.
• On-card Regulation: Eliminating noise and regulation issues in sensitive circuits.
• Instrumentation: Used in test and measurement equipment for precise voltage control.

Features

• Fixed Output Voltage: Provides a stable -15V output.
• Output Current up to 100mA: Suitable for low-power applications.
• Internal Thermal Overload Protection: Prevents damage from excessive heat.
• Internal Short-Circuit Current Limiting: Protects the regulator and the load from short circuits.
• Output Transistor Safe-Area Compensation: Ensures stability and reliability.

Benefits

• Simplified Power Supply Design: Reduces the number of external components required.
• Improved System Reliability: Protection features ensure safe operation.
• Stable Voltage Regulation: Provides a clean and consistent power supply.
• Cost-Effective Solution: Offers a simple and efficient voltage regulation option.

Additional Details

The LM79L15ACZ typically requires minimal external components, simplifying the design process. It operates over a range of input voltages, providing a regulated -15V output. The device is available in a through-hole package, making it easy to use in various prototyping and production environments. The internal protection features enhance the robustness of the power supply design, reducing the risk of damage due to overloads or short circuits. This regulator can operate with various capacitors to improve stability. Always check the datasheet for suggested capacitor values.