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S-1172B18-U5T1U

S-1172B18-U5T1U Description

The S-1172B18-U5T1U is a linear voltage regulator designed by ABLIC Inc., offering a fixed output voltage of 1.8V and a maximum output current of 1A. This regulator is housed in a compact SOT89-5 package, making it suitable for surface mount applications. Despite its small form factor, the S-1172B18-U5T1U delivers robust performance with a maximum input voltage of 5.5V and a low dropout voltage of 0.15V at 300mA. The device features a quiescent current of just 1 µA and a supply current of 90 µA, ensuring high efficiency and minimal power consumption. It also includes essential protection features such as over-current and thermal shutdown, making it reliable for a variety of electronic applications. The regulator supports an enable control feature, allowing for dynamic power management. While the product is marked as obsolete, it remains compliant with REACH and ROHS3 standards, ensuring environmental safety and regulatory adherence.

S-1172B18-U5T1U Features

• Fixed Output Voltage: Provides a stable 1.8V output, ideal for applications requiring a consistent power supply.
• High Output Current: Capable of delivering up to 1A, making it suitable for powering demanding devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.15V at 300mA, it ensures efficient operation even at low input-to-output voltage differentials.
• Low Quiescent Current: Features a quiescent current of only 1 µA, minimizing power consumption during standby or low-load conditions.
• Enable Control: Includes an enable feature for dynamic power management, allowing the regulator to be turned on and off as needed.
• Protection Features: Incorporates over-current and thermal shutdown protections, enhancing reliability and preventing damage under abnormal operating conditions.
• Compliance: Adheres to REACH and ROHS3 standards, ensuring environmental safety and regulatory compliance.
• Mounting Type: Surface mount technology (SMT) with a SOT89-5 package, suitable for compact and high-density PCB designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high resistance to moisture, which is beneficial for manufacturing processes and long-term reliability.

S-1172B18-U5T1U Applications

The S-1172B18-U5T1U is well-suited for a variety of applications where a stable and efficient power supply is required. Its compact size and high performance make it ideal for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing a reliable power source for sensors, actuators, and control systems.
• Telecommunications: Ensuring stable power for base stations, routers, and other networking equipment.
• Automotive Electronics: Suitable for in-vehicle infotainment systems, electronic control units (ECUs), and other automotive applications.
• Medical Devices: Powering portable medical devices, diagnostic equipment, and other medical electronics where reliability and efficiency are critical.

Conclusion of S-1172B18-U5T1U

The S-1172B18-U5T1U from ABLIC Inc. is a versatile and efficient linear voltage regulator that offers a unique combination of high output current, low dropout voltage, and low quiescent current. Its compact SOT89-5 package and surface mount technology make it suitable for a wide range of applications, from consumer electronics to industrial equipment. The inclusion of enable control and robust protection features further enhances its reliability and versatility. Despite being marked as obsolete, the S-1172B18-U5T1U remains a valuable component for designers seeking a reliable and efficient power solution. Its compliance with REACH and ROHS3 standards ensures that it meets environmental and regulatory requirements, making it a responsible choice for modern electronics.