The S-1170B50UC-OUJTFU is a positive voltage regulator manufactured by SII Semiconductor Corporation (now ABLIC Inc.). This regulator is designed for applications requiring a stable and precise 5.0V output voltage.

Applications

• Microcontroller power supplies
• Sensor power supplies
• Wireless communication modules
• Portable electronic devices
• Battery-powered devices

Features

• Fixed 5.0V output voltage
• Low dropout voltage
• High output voltage accuracy
• Low quiescent current
• Overcurrent protection
• Thermal shutdown protection
• Small SOT-25 package

Benefits

• Provides a stable and precise 5.0V output voltage
• Extends battery life
• Protects the system from damage
• Reduces component count
• Saves board space

Additional Details

The S-1170B50UC-OUJTFU is a low dropout (LDO) regulator, meaning that it can maintain a stable output voltage even when the input voltage is close to the output voltage. The datasheet specifies the dropout voltage, output voltage accuracy, quiescent current, and maximum output current. The overcurrent protection circuit limits the output current to prevent damage to the regulator and the load. The thermal shutdown protection circuit shuts down the regulator if the junction temperature exceeds a certain threshold. The small SOT-25 package is suitable for space-constrained applications.

Proper PCB layout and component selection are crucial for optimal performance. Refer to ABLIC's application notes for recommended circuit configurations and layout guidelines. A bypass capacitor should be placed close to the regulator's input and output pins to improve stability and transient response. The datasheet specifies the maximum input voltage and output current ratings, and the regulator should be operated within these ratings to ensure reliability. The SOT-25 package requires proper soldering techniques. The 'OUJTFU' likely represents tape and reel information.