The S-1112B25MC-L6K-TF is a positive voltage regulator manufactured by SII Semiconductor Corporation. This IC provides a stable 2.5V output voltage, making it ideal for use in a wide range of portable electronic devices and systems. Its key features include low current consumption, compact size, and built-in protection circuits.

Applications

• Microcontroller power supplies
• Portable media players
• Wireless sensors
• Memory card power supplies
• Real-time clocks (RTC)

Features

• Output Voltage: 2.5V fixed output
• Input Voltage Range: 2.2V to 6.5V
• Output Current: Up to 150mA
• Low Dropout Voltage: 200mV at 100mA
• Low Quiescent Current: 5μA (typical)
• Overcurrent Protection: Limits output current during overload conditions.
• Thermal Shutdown: Protects the IC from overheating.
• Package: SOT-23-5
• Operating Temperature: -40°C to +85°C

Benefits

• Stable Output Voltage: Ensures consistent performance of connected devices by providing a regulated 2.5V supply.
• Extended Battery Life: Low quiescent current minimizes power consumption in portable applications.
• Small Footprint: The SOT-23-5 package is suitable for space-constrained designs.
• Enhanced Reliability: Overcurrent and thermal shutdown protection enhance system robustness.
• Wide Input Voltage Range: Offers flexibility in power source selection.

Additional Details

The S-1112B25MC-L6K-TF utilizes a low-dropout (LDO) regulator topology. This allows it to maintain a stable output voltage even when the input voltage approaches the output voltage level. The integrated overcurrent protection prevents damage to the regulator and downstream components in the event of a short circuit or overload. The thermal shutdown feature automatically disables the regulator if the die temperature exceeds a safe limit, preventing permanent damage. The SOT-23-5 package is a common surface-mount package that provides good thermal performance and is easy to solder. This device is RoHS compliant, meaning it does not contain hazardous substances restricted by the European Union's Restriction of Hazardous Substances Directive.