The S-1111B28PN-NYN-TE is a positive voltage regulator IC manufactured by SII Semiconductor Corporation. It is designed to provide a stable and regulated 2.8V output voltage. This makes it suitable for various electronic applications that require a consistent power supply. The IC's compact size and efficient operation are particularly beneficial for portable and battery-powered devices.

Applications

• Portable Electronic Devices: Used in devices like smartphones, tablets, and MP3 players for stable power regulation.
• Wearable Technology: Suitable for use in smartwatches, fitness trackers, and other wearable devices.
• Internet of Things (IoT) Devices: Provides stable power for sensors, microcontrollers, and communication modules.
• Battery-Powered Systems: Extends battery life with its high efficiency and low quiescent current.
• Microcontroller Power Supply: Regulates voltage for microcontrollers in embedded systems.

Features

• Fixed Output Voltage: Provides a stable 2.8V output voltage.
• High Output Voltage Accuracy: Ensures precise voltage regulation for reliable operation.
• Low Dropout Voltage: Operates efficiently with a low input-output voltage differential.
• Low Current Consumption: Minimizes power loss, extending battery life in portable applications.
• Overcurrent Protection: Protects the IC and connected components from damage due to excessive current.
• Thermal Shutdown Protection: Prevents overheating and potential damage by shutting down the IC at high temperatures.
• Small Package: Available in a compact package for space-constrained applications.

Benefits

• Stable and Reliable Power: Provides a consistent and reliable 2.8V output, critical for sensitive electronic components.
• Extended Battery Life: Low current consumption maximizes the operational time of battery-powered devices.
• Protection Against Damage: Overcurrent and thermal shutdown features protect the IC and connected components.
• Compact Design: Small package allows for easy integration into small electronic devices.
• Simplified Circuit Design: Fixed output voltage simplifies design and reduces the need for external components.

Technical Specifications: The S-1111B28PN-NYN-TE operates within a specified input voltage range (typically 3.0V to 5.5V). It exhibits a low quiescent current, usually in the microampere range. It features a low dropout voltage characteristic that ensures stable performance even when the input voltage approaches the output voltage. It is often available in a SOT-23-5 package. The operating temperature range typically spans from -40°C to +85°C.