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S-1137B18-U5T1U

S-1137B18-U5T1U Description

The S-1137B18-U5T1U is a linear regulator IC designed by ABLIC Inc., offering a fixed output voltage of 1.8V with a maximum output current of 300mA. This device is housed in a SOT89-5 package, making it suitable for surface mount applications. It features a maximum input voltage of 5.5V and a dropout voltage of 0.42V at 300mA, ensuring efficient operation even at low input-to-output differentials. The regulator boasts a quiescent current of just 1µA and a supply current of 65µA, contributing to its low power consumption. Additional control features include enable and soft start functionalities, while over-current protection ensures robustness. The S-1137B18-U5T1U is REACH unaffected and ROHS3 compliant, adhering to stringent environmental regulations. It has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure in manufacturing environments.

S-1137B18-U5T1U Features

• Fixed Output Voltage: 1.8V, ideal for applications requiring a stable power supply.
• High Efficiency: With a dropout voltage of 0.42V at 300mA, it maintains high efficiency even at low input-to-output voltage differences.
• Low Power Consumption: Features a quiescent current of 1µA and a supply current of 65µA, making it suitable for battery-powered and low-power applications.
• Control Features: Includes enable and soft start functionalities, providing flexibility in system design.
• Protection Features: Over-current protection ensures reliable operation under varying load conditions.
• Environmental Compliance: REACH unaffected and ROHS3 compliant, suitable for environmentally conscious designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing processes.
• Packaging: Cut tape (CT) packaging for easy handling and integration.

S-1137B18-U5T1U Applications

The S-1137B18-U5T1U is well-suited for a variety of applications where a stable, low-power, and efficient power supply is required. Its fixed 1.8V output and 300mA current capability make it ideal for powering microcontrollers, sensors, and other low-power electronics. The low dropout voltage ensures that it can operate efficiently even with a small difference between the input and output voltages, making it suitable for battery-powered devices where the input voltage may vary. The enable and soft start features provide additional control, making it suitable for applications where power sequencing and inrush current control are important. Its environmental compliance and robust protection features make it a reliable choice for industrial and consumer electronics.

Conclusion of S-1137B18-U5T1U

The S-1137B18-U5T1U from ABLIC Inc. is a high-performance linear regulator that offers a balance of efficiency, low power consumption, and robust protection features. Its fixed 1.8V output and 300mA current capability make it suitable for a wide range of low-power applications. The low dropout voltage ensures high efficiency, while the enable and soft start functionalities provide additional control. Its environmental compliance and moisture sensitivity level make it suitable for various manufacturing processes. Despite being marked as obsolete, the S-1137B18-U5T1U remains a reliable choice for applications requiring a stable and efficient power supply.