LT1074CT Step-Down Switching Regulator TO-220
The LT1074CT is a monolithic switching regulator designed to provide efficient voltage step-down conversion with minimal external components. It integrates the oscillator, control circuitry, protection functions, and high-current power switch into a single package, making it suitable for compact and reliable power supply designs. The device is widely used in industrial, automotive, embedded systems, and battery-powered equipment where efficiency and thermal performance are important.
This regulator operates using switching technology instead of linear regulation, allowing it to achieve significantly higher efficiency and reduced heat dissipation. The TO-220 package provides good thermal handling and easy mounting for prototyping or permanent PCB installations. It supports adjustable and fixed output voltage configurations and includes internal current limiting and thermal shutdown protection for safer operation in demanding environments.
Features:
- High-efficiency switching regulator design.
- Integrated power switching transistor.
- Step-down DC-DC conversion.
- High output current capability.
- Reduced heat generation compared to linear regulators.
- Compact TO-220 package.
- Built-in protection circuitry.
- Stable output voltage regulation.
- Suitable for industrial and automotive applications.
- Low external component requirement.
- Reliable thermal performance.
- Easy integration into power supply circuits.
Specifications:
| Parameter | Value |
|---|---|
| Model | LT1074CT |
| Package Type | TO-220 |
| Pin Count | 3 Pins |
| Regulator Type | Step-Down Switching Regulator |
| Output Current | Up to 5A |
| Mounting Type | Through Hole |
| Topology | Buck Converter |
| Output Type | Adjustable |
| Protection Features | Thermal Shutdown, Current Limit |
| Efficiency | High Efficiency Switching |
Pinout:
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VIN | Input Supply Voltage |
| 2 | GND | Ground |
| 3 | VOUT/SW | Switching Output |
Applications:
- DC-DC buck converters.
- Embedded power systems.
- Automotive electronics.
- Industrial control equipment.
- Battery-operated devices.
- Robotics and automation systems.
- Communication devices.
- LED power supplies.
- Portable electronics.
- Microcontroller power regulation.
Package Includes:
- 1x LT1074CT Step-Down Switching Regulator TO-220.