The S-1112B28MC-L6N-TF is a positive voltage regulator IC manufactured by SII Semiconductor Corporation. This device is designed to provide a stable 2.8V output voltage. Its key characteristics include low current consumption, small package size, and integrated protection features, making it suitable for a wide range of battery-powered and portable applications.

Applications

• Power supplies for microcontrollers
• Portable audio devices
• Wearable devices
• IoT (Internet of Things) devices
• Battery-powered sensors

Features

• Output Voltage: 2.8V fixed output
• Input Voltage Range: 2.5V to 6.5V
• Output Current: Up to 150mA
• Low Dropout Voltage: Typically 200mV at 100mA
• Low Current Consumption: Typically 5μA
• Overcurrent Protection: Built-in overcurrent protection circuit
• Thermal Shutdown Protection: Built-in thermal shutdown circuit
• Package: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Benefits

• Stable Voltage Supply: Provides a consistent 2.8V output, ensuring proper operation of connected components.
• Extended Battery Life: Low current consumption minimizes battery drain in portable devices.
• Compact Design: Small package size allows for integration into space-constrained applications.
• Enhanced Reliability: Overcurrent and thermal shutdown protection features prevent damage and improve system robustness.
• Wide Input Voltage Range: Supports a range of input voltages, providing flexibility in power source selection.

Additional Details

The S-1112B28MC-L6N-TF utilizes a low-dropout (LDO) regulator architecture, allowing it to maintain a stable output even when the input voltage is close to the output voltage. This is crucial for battery-powered applications where the battery voltage gradually decreases. The overcurrent protection limits the output current in case of a short circuit or overload, protecting the regulator and connected components. The thermal shutdown protection disables the regulator if its internal temperature exceeds a safe threshold, preventing damage from overheating. The SOT-23-5 package is a surface-mount package that is easy to solder and provides good thermal performance. The device is also RoHS compliant.