MORNSUN K7805-500R3
High-Efficiency 5V/0.5A Non-Isolated Point-of-Load Regulator
Key Features
Field Application Engineer Review
Power Electronics Specialist"The K7805-500R3 is an excellent choice for microcontroller power supplies and point-of-load applications. Its wide 6-40V input range makes it ideal for automotive and industrial 12V/24V systems. The TO-220 package provides excellent thermal performance, and the built-in protections ensure robust operation. We frequently recommend this for digital circuit boards where you need clean, stable 5V power from a higher voltage rail."
Technical Specifications
Detailed electrical and mechanical characteristics
Electrical Characteristics
Environmental & Mechanical
Typical Applications
Where this regulator excels in real-world scenarios
Microcontroller Power
Clean 5V power for MCUs, sensors, and digital logic circuits
Automotive Electronics
12V/24V automotive systems requiring stable 5V power
Industrial Control
Point-of-load regulation in PLCs and control systems
Communication Systems
Powering interface circuits and communication modules
Frequently Asked Questions
Get answers to common technical questions from our experts
What heat sink is recommended for maximum output current?
+For 0.5A continuous output, a small heat sink with approximately 15°C/W thermal resistance is recommended. The TO-220 package provides excellent thermal coupling when properly mounted.
Can this be used in automotive applications?
+Yes, the wide input range (6-40V) makes it suitable for 12V and 24V automotive systems. However, please verify specific automotive qualification requirements for your application.
What input and output capacitors are required?
+Minimum 100μF input capacitor and 220μF output capacitor are recommended for optimal performance. Refer to the datasheet for specific ESR requirements and layout guidelines.
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