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Microchip Technology LR12K4G High Voltage Linear Regulator

The LR12 is a high input voltage, adjustable linear regulator designed for applications requiring stable voltage regulation with a wide input range of 13.2 to 100V. It provides adjustable output regulation from 1.20V to 88V, with current limiting up to 50mA, over temperature protection, and a low reference voltage tolerance of 5%. Suitable for power supplies, motor controls, industrial controls, and telecom applications, the LR12 features multiple package options including TO-252, SOIC, and TO-92, with thermal and electrical specifications optimized for reliable operation.

Authorized Distributors
Source:Newark
Part No:LR12K4-G
Stock:1314
Inv Date:06-03-2026
Price: Unit price: $1.98
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Source:DigiKey
Part No:LR12K4-G
Stock:2876
Inv Date:06-03-2026
Price: Unit price: $1.92
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Part No:LR12K4-G
Stock:1813
Inv Date:06-04-2026
Price: Unit price: $1.92
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Part No:LR12K4-G
Stock:42
Inv Date:06-03-2026
Price: Unit price: $0.39
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Microchip Technology LR12K4G High Voltage Linear Regulator Specifications:

  • Input voltage range: 13.2V to 100V
  • Output voltage adjustment: 1.20V to 88V
  • Minimum output current: 0.5mA
  • Maximum output current: 50mA
  • Reference voltage tolerance: 5%
  • Output voltage regulation: 1.20V typical, up to 88V adjustable
  • Line regulation: 0.003%/V (typical)
  • Load regulation: 1.4% (typical)
  • Temperature coefficient: 1.0% per 0°C to 85°C
  • Thermal limit: 125°C junction temperature
  • Power dissipation: Up to 20W in TO-252 package
  • Operating temperature: -40°C to +85°C
  • Storage temperature: -65°C to +150°C
  • Package options: TO-252, SOIC, TO-92
  • Pin configuration: 3-pin with functional configuration
  • Overcurrent and overtemperature protection
  • Ripple rejection ratio: 60dB at 120Hz
  • Designed for high voltage linear regulation in industrial and telecom equipment

Buy the Supertex Series LR12 High Input Voltage Adjustable Linear Regulator: LR12K4G

Purchase the Supertex Series LR12K4G high input voltage adjustable linear regulator online now to enhance your power supply designs. This versatile regulator offers a wide input range of 13.2V to 100V, adjustable output up to 88V, and a maximum output current of 50mA. Its features include over temperature and current limiting, multiple package options including TO-252, SOIC, and TO-92, and robust thermal and electrical specifications. Ideal for industrial controls, telecom systems, motor controls, and LED drivers, ensuring stability and efficiency in demanding environments. Buy today for dependable performance with fast delivery and expert support.

Order your Supertex Series LR12K4G high input voltage adjustable linear regulator today and ensure reliable voltage regulation for your power applications.

Frequently Asked Questions

Where can I buy Microchip Technology LR12K4G?

You can click on the BUY or RFQ button to purchase LR12K4G from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part LR12K4G?

You can download the LR12K4G datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of LR12K4G?

Microchip Technology

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