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S-8521B28MC-ATNT2G

S-8521B28MC-ATNT2G Description

The S-8521B28MC-ATNT2G is a DC-DC switching controller designed by ABLIC Inc., featuring a transistor driver output type with a positive output configuration. This controller is specifically designed for buck topology applications, offering a wide input voltage range of 2.5V to 16V and a switching frequency of 180kHz. The device is packaged in a SOT23-5 surface mount package making, it suitable for compact and space-constrained designs. The S-8521B28MC-ATNT2G is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It has a moisture sensitivity level (MSL) of 1, indicating it is not affected by moisture and can be stored indefinitely without special handling. The controller supports a maximum duty cycle of 100%, providing flexibility in power management applications.

S-8521B28MC-ATNT2G Features

• Transistor Driver Output Type: The S-8521B28MC-ATNT2G features a transistor driver output type, making it suitable for driving external transistors in power conversion applications.
• Positive Output Configuration: This configuration ensures that the output voltage is positive relative to the ground, which is ideal for many electronic systems.
• Wide Input Voltage Range: With a supply voltage range of 2.5V to 16V, the controller can operate efficiently across a broad spectrum of input voltages, enhancing its versatility.
• 180kHz Switching Frequency: The high switching frequency allows for smaller inductors and capacitors, reducing the overall size and cost of the power supply.
• Enable Control Feature: The enable function provides precise control over the power conversion process, allowing for efficient power management and system optimization.
• 100% Duty Cycle: The ability to achieve a maximum duty cycle of 100% ensures maximum efficiency and flexibility in power delivery.
• Surface Mount Packaging: The SOT23-5 package is ideal for surface mount technology, enabling compact and reliable designs.
• Regulatory Compliance: The S-8521B28MC-ATNT2G is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity Level 1: The device can be stored indefinitely without special handling, reducing logistical complexities.

S-8521B28MC-ATNT2G Applications

The S-8521B28MC-ATNT2G is ideal for a variety of applications where compact size, high efficiency, and reliable performance are critical. Specific use cases include:

• Portable Electronics: The wide input voltage range and compact packaging make it suitable for battery-powered devices such as smartphones, tablets, and wearable technology.
• Industrial Control Systems: The ability to operate efficiently across a broad range of input voltages and the high switching frequency make it ideal for industrial applications where power density and efficiency are paramount.
• Telecommunications Equipment: The controller's high efficiency and compact design are beneficial for telecom infrastructure, where space and power consumption are critical factors.
• Automotive Electronics: The robustness and wide operating voltage range make it suitable for automotive applications, where the power supply must withstand varying battery voltages and harsh environmental conditions.

Conclusion of S-8521B28MC-ATNT2G

The S-8521B28MC-ATNT2G from ABLIC Inc. is a versatile and efficient DC-DC switching controller designed for buck topology applications. Its wide input voltage range, high switching frequency, and compact surface mount packaging make it an excellent choice for a variety of applications, from portable electronics to industrial control systems. The device's regulatory compliance and moisture sensitivity level 1 ensure it meets environmental standards and can be stored without special handling. While the product status is "Not For New Designs," the S-8521B28MC-ATNT2G remains a reliable and efficient option for existing designs, offering significant performance benefits and unique features that set it apart from similar models.