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AS1370-ATDT-28

AS1370-ATDT-28 Description

The AS1370-ATDT-28 is a linear regulator IC designed for high efficiency and low power consumption, ideal for applications requiring a fixed output voltage and low quiescent current. Manufactured by ams OSRAM, this Power Management IC (PMIC) is part of the AS1370 family, known for its robust performance and reliability. The AS1370-ATDT-28 features a fixed output voltage of 2.8V, capable of delivering up to 200mA of output current. It operates within an input voltage range up to 50V, making it suitable for a wide range of power supply applications. The regulator is designed with a low dropout voltage of 0.55V at 200mA, ensuring efficient operation even at low input-to-output voltage differentials. With a maximum supply current of 3.7 µA and a quiescent current of 8 µA, the AS1370-ATDT-28 is optimized for low power applications, making it ideal for battery-powered devices and portable electronics.

AS1370-ATDT-28 Features

• Output Type: Fixed, providing a stable 2.8V output voltage.
• Input Voltage Range: Up to 50V, offering flexibility in power supply design.
• Output Current: 200mA, suitable for moderate power applications.
• Low Dropout Voltage: 0.55V at 200mA, ensuring high efficiency even at low input-to-output voltage differences.
• Low Quiescent Current: 8 µA, minimizing power consumption in standby mode.
• Low Supply Current: 3.7 µA, ideal for low power and battery-operated devices.
• Control Features: Enable and shutdown capabilities, allowing for dynamic power management.
• Protection Features: Over current, over temperature, and short circuit protection, ensuring robust and reliable operation.
• Package Type: Tape & Reel (TR suitable), for surface mount applications.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high resistance to moisture.
• Power Supply Rejection Ratio (PSRR): 50dB at 1kHz, providing excellent noise rejection.
• Mounting Type: Surface Mount, ideal for compact and space-constrained designs.

AS1370-ATDT-28 Applications

The AS1370-ATDT-28 is well-suited for a variety of applications where low power consumption and high efficiency are critical. Its fixed output voltage and low dropout characteristics make it ideal for:

• Battery-Powered Devices: Portable electronics, handheld devices, and IoT sensors.
• Low Power Systems: Embedded systems, microcontrollers, and wearable technology.
• Industrial Applications: Low power instrumentation and control systems.
• Consumer Electronics: Mobile accessories, smartwatches, and fitness trackers.

Conclusion of AS1370-ATDT-28

The AS1370-ATDT-28 is a versatile linear regulator IC that offers a combination of high efficiency, low power consumption, and robust protection features. Its fixed 2.8V output and low dropout voltage make it an excellent choice for applications requiring stable power delivery and minimal power loss. The inclusion of enable and shutdown control features, along with comprehensive protection mechanisms, ensures reliable operation in various operating conditions. Despite being marked as obsolete, the AS1370-ATDT-28 remains a valuable component for designers seeking a reliable and efficient power management solution.