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S-1131B38UA-N4XTFG

S-1131B38UA-N4XTFG Description

The S-1131B38UA-N4XTFG is a linear voltage regulator designed by ABLIC Inc., offering a fixed output voltage of 3.8V and a maximum output current of 300mA. This device is housed in a compact SOT89-3 package, making it suitable for surface mount applications. It features a maximum input voltage of 6.5V and a low dropout voltage of 0.28V at 100mA, ensuring efficient operation even at low input-to-output voltage differentials. The regulator is designed with a quiescent current of just 1 µA and a supply current of 65 µA, making it highly energy-efficient. It also includes an enable control feature and over-current protection, enhancing its reliability and versatility. The S-1131B38UA-N4XTFG is ROHS3 compliant and has a moisture sensitivity level of 1 (unlimited), making it suitable for a wide range of manufacturing processes. Although it is marked as "Not For New Designs," its performance and features make it a valuable component for existing projects.

S-1131B38UA-N4XTFG Features

• Fixed Output Voltage: Provides a stable 3.8V output, ideal for applications requiring a consistent power supply.
• High Efficiency: With a low dropout voltage of 0.28V at 100mA, it ensures efficient power conversion even at low input-to-output voltage differences.
• Low Power Consumption: Features a quiescent current of only 1 µA and a supply current of 65 µA, minimizing power loss and extending battery life in portable devices.
• Enable Control: Includes an enable feature, allowing for dynamic control of the regulator's operation, which can be useful for power management in complex systems.
• Over-Current Protection: Ensures the device's longevity and reliability by protecting it from over-current conditions.
• Compact Design: Housed in a SOT89-3 package, it is suitable for surface mount applications, saving space on the PCB.
• Compliance and Reliability: ROHS3 compliant and has a moisture sensitivity level of 1 (unlimited), making it suitable for various manufacturing environments.
• High PSRR: Offers a power supply rejection ratio (PSRR) of 70dB at 1kHz, ensuring clean output voltage and minimizing noise.

S-1131B38UA-N4XTFG Applications

The S-1131B38UA-N4XTFG is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and high efficiency make it particularly suitable for battery-powered devices and portable electronics, where power conservation is critical. The enable control feature allows for dynamic power management, making it a good fit for systems that require power sequencing or sleep modes. Its compact size and surface mount package make it easy to integrate into space-constrained designs. The over-current protection ensures reliability in applications where load conditions may vary, such as in consumer electronics, medical devices, and industrial control systems.

Conclusion of S-1131B38UA-N4XTFG

The S-1131B38UA-N4XTFG from ABLIC Inc. is a robust linear voltage regulator that offers a balance of efficiency, stability, and reliability. Its low dropout voltage and high PSRR make it an excellent choice for applications where power efficiency and noise reduction are critical. The enable control and over-current protection features enhance its versatility and safety, making it suitable for a wide range of electronic systems. Although it is not recommended for new designs, its performance and features make it a reliable component for existing projects, ensuring continued operation and reliability in various applications.