The UR132-3.3 is a 3.3V fixed output voltage linear regulator manufactured by UTC (Unisonic Technologies Co., Ltd.). It is designed to provide a stable and regulated 3.3V output from a higher input voltage. This regulator is commonly used in various electronic devices to power microcontrollers, sensors, and other low-voltage components.
Applications:
- Microcontroller power supplies: Providing a stable 3.3V supply for microcontrollers in embedded systems.
- Sensor power supplies: Regulating the voltage for sensors in measurement and control applications.
- Logic circuit power supplies: Powering logic gates and other digital circuits requiring a 3.3V supply.
- Portable electronic devices: Used in battery-powered devices such as mobile phones, tablets, and wearable devices.
- General-purpose voltage regulation: Providing a stable 3.3V supply for various electronic components.
Features:
- Fixed 3.3V output voltage: Provides a precise and stable 3.3V output.
- Low dropout voltage: Operates with a small difference between input and output voltage.
- Overcurrent protection: Protects the regulator from damage due to excessive output current.
- Thermal shutdown protection: Protects the regulator from overheating.
- Short-circuit protection: Protects the regulator from damage due to short circuits on the output.
Benefits:
- Stable voltage supply: Ensures reliable operation of electronic components.
- Protection against faults: Prevents damage to the regulator and connected components.
- Simple design: Easy to integrate into electronic circuits.
- Cost-effective solution: Provides a low-cost solution for voltage regulation.
Additional Details:
The UR132-3.3 typically comes in a TO-92, SOT-89 or SOT-223 package. Key specifications include input voltage range (e.g., up to 12V), output current capability (e.g., 100mA to 500mA), dropout voltage (typically less than 1V), and operating temperature range. It may require external capacitors for stability and noise filtering. Refer to the manufacturer's datasheet for detailed specifications, application circuits, and thermal considerations. Proper heat sinking may be required depending on the output current and operating conditions.