The LM145K-5.2 is a fixed voltage regulator manufactured by Rochester Electronics. Rochester Electronics specializes in providing long-term support for discontinued semiconductor devices, so this part is likely a re-manufactured or re-certified version of the original National Semiconductor (now Texas Instruments) regulator. The -5.2 indicates that this is a -5.2V fixed voltage regulator, typically used to provide a stable negative voltage supply in various electronic circuits.

Applications

• ECL (Emitter-Coupled Logic) power supplies
• Instrumentation power supplies
• Analog circuit power supplies
• Communication equipment
• Computer systems
• Industrial control systems

Features

• Fixed -5.2V Output Voltage: Provides a stable -5.2V output voltage.
• Internal Short-Circuit Protection: Protects the regulator from damage due to output short circuits.
• Thermal Overload Protection: Protects the regulator from damage due to excessive temperature.
• High Input Voltage Capability: Can withstand high input voltages.
• Excellent Line and Load Regulation: Maintains a stable output voltage despite variations in input voltage and load current.
• K Package: Indicates a hermetically sealed metal can package, providing excellent environmental protection.

Benefits

• Stable Voltage Supply: Provides a stable and reliable -5.2V power supply for sensitive electronic circuits.
• Protection Against Overloads: Built-in protection features prevent damage to the regulator and the connected load.
• Simplified Power Supply Design: Simplifies power supply design by providing a ready-to-use fixed voltage regulator.
• Enhanced System Reliability: Contributes to enhanced system reliability by providing a stable and protected power supply.
• Long-Term Availability: Rochester Electronics provides a continued source for this discontinued part, ensuring long-term support for existing systems.

Additional Details

The LM145K-5.2 typically requires external components such as input and output capacitors for stable operation. The K package signifies a metal can package designed for ruggedness and reliability. It's important to consult the datasheet from Rochester Electronics to determine the exact specifications of the part they are supplying, including the maximum input voltage, output current, and operating temperature range. This part is commonly used to power ECL circuits, which require a stable -5.2V supply. Due to Rochester Electronics being the source, verify date codes and testing procedures to ensure the part meets application requirements.