ABLIC Tariff Inquiry

S-1172B31-U5T1U

S-1172B31-U5T1U Description

The S-1172B31-U5T1U is a linear regulator IC designed for power management applications, manufactured by ABLIC Inc. This IC features a fixed output voltage of 3.1V and is capable of delivering a maximum output current of 1A. It operates with an input voltage range up to 5.5V, making it suitable for a variety of low-voltage applications. The regulator is designed with a low dropout voltage of 0.1V at 300mA, which enhances its efficiency and performance in systems with tight voltage margins.

The S-1172B31-U5T1U is housed in a compact SOT89-5 package, ideal for surface-mount applications where space is a critical consideration. It includes an enable control feature, allowing for dynamic power management and system optimization. The regulator also offers robust protection features, including over-current protection and thermal shutdown, ensuring reliable operation under various conditions.

S-1172B31-U5T1U Features

• Fixed Output Voltage: 3.1V, providing a stable power supply for sensitive electronic components.
• High Output Current: Capable of delivering up to 1A, suitable for driving multiple devices or high-current applications.
• Low Dropout Voltage: 0.1V @ 300mA, ensuring efficient power conversion even at low input-to-output voltage differentials.
• Low Quiescent Current: 1 µA, minimizing power consumption in standby or low-load conditions.
• Enable Control: Allows for dynamic power management, enabling or disabling the regulator as needed.
• Protection Features: Over-current and thermal shutdown protections safeguard the IC and connected components from damage.
• Compliance: ROHS3 compliant, ensuring environmental sustainability and regulatory adherence.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Mounting Type: Surface Mount, compatible with modern PCB assembly processes.
• Packaging: Tape & Reel (TR), facilitating efficient handling and automated assembly.

S-1172B31-U5T1U Applications

The S-1172B31-U5T1U is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and high output current make it suitable for battery-powered devices, portable electronics, and embedded systems. The compact SOT89-5 package and surface-mount compatibility ensure it can be easily integrated into space-constrained designs.

Specific use cases include:

• Battery-Powered Devices: Ideal for maintaining stable power supply in devices with fluctuating battery voltages.
• Portable Electronics: Suitable for powering components in smartphones, tablets, and other handheld devices.
• Embedded Systems: Provides reliable power for microcontrollers, sensors, and other low-power electronics.
• Industrial Applications: Can be used in control systems, instrumentation, and other applications requiring stable and efficient power management.

Conclusion of S-1172B31-U5T1U

The S-1172B31-U5T1U from ABLIC Inc. is a versatile linear regulator IC that offers a combination of high performance, reliability, and efficiency. Its fixed 3.1V output, low dropout voltage, and low quiescent current make it an excellent choice for applications requiring stable power supply and minimal power consumption. The inclusion of enable control and robust protection features further enhances its functionality and reliability. Despite being marked as obsolete, the S-1172B31-U5T1U remains a valuable component for designers seeking a reliable and efficient power management solution in their projects.