ams OSRAM

AS1720B-ATDT  

Power Distribution Switches, Load Drivers

AS1720B-ATDT Description

The AS1720B-ATDT is a power driver IC designed for applications requiring a low-side output configuration. Manufactured by ams OSRAM, this device is part of the Power Management (PMIC) category and is known for its robust performance and reliability. Despite being marked as obsolete, the AS1720B-ATDT remains a valuable component for specific applications due to its unique features and capabilities.

AS1720B-ATDT Features

The AS1720B-ATDT offers a comprehensive set of features that make it suitable for a variety of power management tasks. Key features include:

• Output Configuration: Low Side
• Current - Output (Max): 100mA, providing sufficient power for driving small to medium-sized loads.
• Internal PWM: This feature allows for precise control of the output, making it ideal for applications requiring variable power delivery.
• Voltage - Load: The device supports a wide load voltage range of 5V to 50V, offering flexibility in power supply requirements.
• Fault Protection: The AS1720B-ATDT includes adjustable current limiting and over-temperature protection, ensuring safe operation under various conditions.
• Mounting Type: Surface Mount, which is ideal for compact and space-efficient designs.
• Number of Outputs: 1, focusing on simplicity and reliability for single-output applications.
• Interface: On/Off, providing straightforward control and ease of integration.
• Package: Tape & Reel (TR), facilitating efficient handling and assembly in manufacturing processes.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating high resistance to moisture and suitability for a wide range of environmental conditions.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and safety regulations.
• ECCN: EAR99, indicating compliance with export control regulations.
• HTSUS: 8542.39.0001, facilitating accurate classification for import and export purposes.

AS1720B-ATDT Applications

The AS1720B-ATDT is particularly well-suited for applications that require a reliable and efficient power driver with low-side output configuration. Specific use cases include:

• Relay and Solenoid Drivers: The device's ability to handle a wide range of load voltages and its internal PWM feature make it ideal for driving relays and solenoids in various industrial and automotive applications.
• Power Management in Compact Designs: The surface mount packaging and single-output configuration make the AS1720B-ATDT suitable for compact power management solutions where space is a critical factor.
• Variable Power Delivery: Applications requiring adjustable power delivery, such as LED lighting systems or small motor controls, benefit from the internal PWM feature.
• High-Reliability Systems: The fault protection mechanisms, including adjustable current limiting and over-temperature protection, ensure robust performance in systems where reliability is paramount.

Conclusion of AS1720B-ATDT

The AS1720B-ATDT, despite its obsolete status, remains a reliable and versatile power driver IC. Its low-side output configuration, wide load voltage range, and internal PWM feature make it suitable for a variety of applications, particularly those involving relay and solenoid driving. The device's fault protection mechanisms and surface mount packaging further enhance its appeal for compact and high-reliability designs. While newer alternatives may exist, the AS1720B-ATDT continues to offer unique advantages for specific applications, making it a valuable component in the power management landscape.

AS1720B-ATDT Documents

Download datasheets and manufacturer documentation for AS1720B-ATDT