LM2575T-12 Step-Down Voltage Regulator 12V 1A TO-220
The LM2575T-12 is a highly efficient step-down (buck) switching voltage regulator designed to provide a fixed 12V output from a higher input voltage. Unlike linear regulators, it uses switching technology to significantly reduce power loss and heat generation, making it ideal for applications requiring efficient power conversion. Its TO-220 package ensures easy mounting and effective heat dissipation.
This regulator is widely used in power supply designs, battery-powered systems, and embedded electronics where stable voltage is essential. With minimal external components required, it’s simplifies circuit design while maintaining high reliability. It is suitable for a variety of applications including automotive systems, industrial controls, and DIY electronics projects.
Features:
- High-efficiency step-down (buck) regulator.
- Fixed 12V output voltage.
- Requires minimal external components.
- Built-in thermal shutdown protection.
- Current limiting and safe operation.
- Easy-to-use TO-220 package.
- Good load and line regulation.
- Suitable for a wide input voltage range.
Specifications:
| Parameter | Value |
|---|---|
| Model | LM2575T-12 |
| Type | Step-Down Switching Regulator |
| Output Voltage | 12V (Fixed) |
| Output Current | Up to 1A |
| Input Voltage Range | 4V – 40V |
| Switching Frequency | 52 kHz |
| Efficiency | Up to ~88% |
| Package | TO-220 |
| Mounting Type | Through-Hole |
| Protection Features | Thermal Shutdown, Current Limit |
Pinout:
| Pin | Name | Function |
|---|---|---|
| 1 | VIN | Input Voltage |
| 2 | OUTPUT | Switch Output |
| 3 | GND | Ground |
| 4 | FEEDBACK | Feedback Input |
| 5 | ON/OFF | Enable Control |
Footprint:
Applications:
- DC-DC power supplies.
- Battery-powered devices.
- Automotive electronics.
- Embedded systems and microcontrollers.
- Industrial control systems.
- DIY power regulation projects.
Packages Included:
- 1x LM2575T-12 Step-Down Voltage Regulator 12V 1A TO-220.
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