The KIA7915P-U/PK is a three-terminal negative voltage regulator manufactured by KEC (Korea Electronics Co., Ltd.). It is designed to provide a stable -15V output voltage for various electronic applications. This regulator is part of the KIA79xx series, known for their simplicity, reliability, and cost-effectiveness.

Applications

• Power supplies: Used in negative voltage power supplies for electronic circuits.
• Voltage regulation: Provides a stable -15V output for microcontrollers, operational amplifiers, and other integrated circuits.
• Industrial control systems: Implemented in industrial automation equipment for stable negative voltage reference.
• Instrumentation: Employed in testing and measurement equipment requiring a precise -15V supply.
• Linear Power Regulation: Can be used in circuits requiring linear regulation with a negative voltage.

Features

• Fixed negative output voltage: Provides a stable -15V output.
• 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 a safe limit, preventing thermal damage.
• High ripple rejection: Effectively filters out ripple voltage from the input, providing a clean and stable output.
• TO-220 package: Easy to mount and provides good thermal dissipation.

Benefits

• Simplified design: Requires minimal external components, simplifying circuit design and reducing BOM cost.
• Stable output voltage: Ensures reliable operation of connected circuits by providing a consistent -15V supply.
• Protection features: Enhances the robustness and reliability of the system by protecting against short circuits and thermal overload.
• Cost-effective: Provides a cost-efficient solution for negative voltage regulation.
• Ease of use: Simple to implement and integrate into existing circuits.

Technical Specifications

The KIA7915P-U/PK typically features an input voltage range of -17.5V to -35V, and a guaranteed output current of up to 1A. The dropout voltage is typically around 2V. It is crucial to consult the official datasheet from KEC for exact specifications, operating conditions, and recommended application circuits.