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AP1121BSG-13

AP1121BSG-13 Description

The AP1121BSG-13 is a dual linear voltage regulator designed by Diodes Incorporated, offering two fixed output voltages of 1.8V and 3.3V with a maximum input voltage of 18V. Each regulator can deliver up to 1A of output current, making it suitable for applications requiring reliable power management. The device features a positive output configuration and is housed in an 8SOP package, ideal for surface mount applications. With a maximum dropout voltage of 1.4V at 1A, the AP1121BSG-13 ensures efficient power conversion even under high load conditions. The regulator operates within a temperature range of 0°C to 125°C, making it suitable for a wide range of industrial and consumer applications. It also includes over-current and over-temperature protection features to enhance reliability and safety.

AP1121BSG-13 Features

• Dual Fixed Output Voltages: The AP1121BSG-13 provides two fixed output voltages of 1.8V and 3.3V, catering to diverse power requirements.
• High Output Current: Each regulator can deliver up to 1A of current, ensuring robust power delivery for demanding applications.
• Low Dropout Voltage: With a maximum dropout voltage of 1.4V at 1A, the regulator maintains high efficiency even under heavy loads.
• Over-Current and Over-Temperature Protection: These protection features safeguard the device and connected circuits from damage due to excessive current or temperature.
• Wide Operating Temperature Range: The regulator operates reliably from 0°C to 125°C, making it suitable for various environmental conditions.
• Surface Mount Compatibility: The 8SOP package is designed for surface mount technology, facilitating easy integration into modern PCB designs.
• Compliance and Safety: The AP1121BSG-13 is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.
• Low Quiescent Current: With a quiescent current of 10 mA, the regulator minimizes power consumption during standby conditions.
• High Power Supply Rejection Ratio (PSRR): The 60dB PSRR at 120Hz ensures excellent noise rejection, providing clean power to sensitive circuits.

AP1121BSG-13 Applications

The AP1121BSG-13 is ideal for a variety of applications where reliable power management is critical. Its dual fixed output voltages and high current capabilities make it suitable for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing stable power to control systems, sensors, and actuators.
• Telecommunications: Ensuring reliable power supply in base stations, routers, and other networking equipment.
• Automotive Systems: Supplying power to electronic control units (ECUs) and infotainment systems.
• Medical Devices: Powering diagnostic equipment and portable medical instruments.

Conclusion of AP1121BSG-13

The AP1121BSG-13 is a versatile dual linear voltage regulator that offers reliable power management with its dual fixed output voltages and high current capabilities. Its low dropout voltage and comprehensive protection features make it a robust choice for a wide range of applications. Despite being marked as obsolete, the AP1121BSG-13 remains a reliable option for designers seeking a proven solution for their power management needs.