The UR133AL-1.8V-B is a fixed voltage linear regulator manufactured by UTC (Unisonic Technologies Co., Ltd.). It is designed to provide a stable and accurate 1.8V output voltage from a higher input voltage. The 'AL' likely indicates a specific series within the UR133 family, and the '-B' suffix likely denotes a specific grade, version, or packaging option within that series. This could indicate tighter tolerances, improved temperature characteristics, or a different packaging compared to the base UR133AL-1.8V model. It is designed for applications requiring low voltage regulation at 1.8V.

Applications

• Microcontroller Power Supplies: Regulating the power supply for microcontrollers that operate at 1.8V in embedded systems.
• FPGA Core Voltage Regulation: Providing a stable 1.8V core voltage for Field-Programmable Gate Arrays (FPGAs).
• Memory Power Supplies: Powering low-voltage memory chips requiring a stable 1.8V supply.
• Battery-Powered Devices: Providing a regulated 1.8V supply for portable devices powered by batteries, particularly where 1.8V components are used.
• Low-Voltage Logic Circuits: Powering various low-voltage digital logic circuits that operate at 1.8V.

Features

• Fixed 1.8V Output: Provides a precisely regulated 1.8V output voltage.
• Low Dropout Voltage: Maintains regulation even when the input voltage is only slightly higher than the output voltage, improving efficiency.
• Over-Temperature Protection: Includes thermal shutdown to protect the regulator from overheating and potential damage.
• Overcurrent Protection: Limits the output current to prevent damage to the regulator and connected devices in case of excessive load.
• Short-Circuit Protection: Safeguards the regulator against damage caused by a short circuit at the output.
• High Accuracy: Ensures a stable and accurate 1.8V output voltage, vital for sensitive low-voltage components.

Benefits

• Stable 1.8V Power: Provides a consistent and reliable 1.8V supply, crucial for the proper operation of electronic circuits designed for this voltage level.
• Enhanced Protection: Over-temperature, overcurrent, and short-circuit protection contribute to the robustness and longevity of the regulator and the overall system.
• Efficient Voltage Regulation: Low dropout voltage enables efficient power conversion, particularly beneficial in battery-operated applications.
• Easy Integration: The regulator can be easily integrated into various electronic circuits due to its standard packaging and straightforward design.
• Improved System Reliability: Protects sensitive electronic components from voltage fluctuations and surges, improving overall system performance.

Additional Details

The UR133AL-1.8V-B is likely available in a standard through-hole or surface-mount package. Consult the manufacturer's datasheet for comprehensive specifications, including maximum input voltage, output current capabilities, dropout voltage characteristics, quiescent current consumption, and operating temperature ranges. Pay close attention to the datasheet for specific information related to the '-B' suffix designation.