The UTC78M12 is a three-terminal positive voltage regulator manufactured by UTC (Unisonic Technologies Co., Ltd.). It provides a fixed output voltage of 12V and can deliver a current of up to 0.5A. This regulator is designed for a wide range of applications requiring a stable and regulated 12V power supply.
Applications:
- Voltage Regulation in Power Supplies
- Linear Regulation in Battery Chargers
- On-card Regulation for Microcontrollers
- Powering Sensors and Actuators
- Post Regulation for Switching Power Supplies
Features:
- Fixed Output Voltage: Provides a precise and stable 12V output.
- Output Current up to 0.5A: Delivers sufficient current for many applications.
- Internal Thermal Overload Protection: Protects the regulator from overheating.
- Short Circuit Current Limiting: Prevents damage from short circuits.
- Output Transistor Safe-Area Compensation: Enhances reliability.
Benefits:
- Stable Output Voltage: Ensures consistent performance of connected devices.
- Overload Protection: Prevents damage to the regulator and connected circuitry.
- Simplified Design: Requires minimal external components.
- Reliable Operation: Robust design ensures long-term stability.
- Cost-Effective: Provides a simple and inexpensive voltage regulation solution.
Additional Details:
The UTC78M12 is available in various packages, including TO-252 and SOT-252. Key electrical characteristics include an input voltage range of 14.5V to 30V. It is designed to operate over a wide temperature range. The regulator is internally compensated, minimizing the need for external capacitors. The thermal overload protection shuts down the regulator when the junction temperature exceeds a safe limit. The short-circuit current limiting reduces the output current during a short circuit condition, preventing damage. The device is commonly used in various electronic devices, providing a reliable and regulated 12V power supply. The simple design and robust features make it a popular choice for many applications.
