The UR133-3.3V-C-GI0 is a low dropout (LDO) linear voltage regulator manufactured by UTC (Unisonic Technologies Co., Ltd.). This regulator is designed to provide a stable 3.3V output voltage from a higher input voltage, with a low dropout voltage. This makes it suitable for battery-powered devices and other applications where efficiency is critical.

Applications

• Battery-powered devices
• Portable electronics
• Microcontroller power supplies
• Post-regulation for switching power supplies
• Noise-sensitive circuits

Features

• Low dropout voltage
• 3.3V fixed output voltage
• Low quiescent current
• Overcurrent protection
• Thermal shutdown protection
• SOT-89 package

Benefits

• Efficient power conversion
• Stable output voltage
• Longer battery life
• Protection against short circuits
• Protection against overheating
• Compact design

Additional Details

The UR133-3.3V-C-GI0 LDO regulator is designed to maintain a stable 3.3V output voltage even when the input voltage fluctuates or drops close to the output voltage. Its low dropout voltage minimizes power loss and extends battery life in portable devices. The low quiescent current further improves efficiency by reducing the regulator's own power consumption.

The built-in overcurrent and thermal shutdown protection features protect the regulator and the connected circuits from damage in case of short circuits or overheating. The SOT-89 package provides good thermal performance and is suitable for surface mount assembly. The device also includes a shutdown control pin that can disable the output, putting the device in an even lower-power consumption state.