The UTC UR133/A is a 300/500mA fixed output voltage low dropout linear regulator. Wide range of available output voltage fits most of applications. Built-in output current-limiting and thermal-limiting provide maximal protection against any fault conditions.
The UTC UR133/A is a 300/500mA fixed output voltage low dropout linear regulator manufactured by Unisonic Technologies. It offers a wide range of available output voltages, including fixed options from 1.5V to 5.0V and an adjustable version.
| Output Current | 300/500mA |
|---|---|
| Input Voltage Range | -0.3 to 12V |
| Operating Junction Temperature | -40 to 125°C |
| Available Output Voltages (Fixed) | 1.5V, 1.8V, 2.2V, 2.5V, 2.7V, 2.8V, 2.9V, 3.0V, 3.3V, 3.5V, 3.7V, 4.7V, 5.0V |
| Current Limit (UR133) | 350 mA |
| Current Limit (UR133A) | 550 mA |
The device offers fixed outputs of 1.5V, 1.8V, 2.2V, 2.5V, 2.7V, 2.8V, 2.9V, 3.0V, 3.3V, 3.5V, 3.7V, 4.7V, and 5.0V.
Yes, an adjustable version is available with a reference voltage of approximately 1.25V.
The UR133/A is available in SOT-89, SOT-223, and TO-92 packages.