The AIC1733-28PVTR is a high-performance, low-dropout (LDO) linear regulator manufactured by Analog Intergrations Corporation. It is designed to provide a stable and accurate 2.8V output voltage from a higher input voltage. This regulator is ideal for applications requiring a clean and regulated power supply, such as portable devices, battery-powered systems, and sensitive analog circuitry.

Applications

• Portable Devices: Powers microcontrollers and other components in smartphones, tablets, and other portable electronics.
• Battery-Powered Systems: Provides a stable voltage supply for battery-powered devices, extending battery life.
• Microcontroller Power: Used to power microcontrollers, ensuring stable operation even with fluctuating input voltages.
• Analog Circuitry: Supplies clean power to sensitive analog circuits, such as sensors and amplifiers, to minimize noise and improve accuracy.
• Wireless Communication Devices: Powers RF transceivers and other wireless communication components.

Features

• Fixed 2.8V Output: Provides a stable and accurate 2.8V output voltage.
• Low Dropout Voltage: Operates with a very low dropout voltage, allowing efficient regulation even with a small difference between input and output voltage.
• Low Quiescent Current: Consumes very little current when not actively regulating, extending battery life.
• High Output Accuracy: Ensures a precise output voltage, improving the performance of powered devices.
• Overcurrent Protection: Protects the regulator and powered devices from damage due to excessive current draw.
• Thermal Shutdown Protection: Prevents the regulator from overheating by shutting down when the temperature exceeds a safe limit.
• Stable with Ceramic Capacitors: Designed to be stable with ceramic output capacitors, reducing the size and cost of the application.
• Small Package: Available in a small SOT-23-5 package for space-constrained applications.

Benefits

• Stable Power Supply: Provides a stable and accurate 2.8V output voltage, ensuring reliable operation of powered devices.
• Extended Battery Life: Low quiescent current and low dropout voltage help extend battery life in portable applications.
• Improved Performance: Clean and regulated power supply improves the performance and accuracy of sensitive analog circuits.
• Protection: Overcurrent and thermal shutdown protection prevent damage to the regulator and powered devices.
• Compact Size: Small package size makes it suitable for space-constrained applications.
• Ease of Use: Stable with ceramic capacitors, simplifying the design and reducing component costs.

The AIC1733-28PVTR is commonly used in applications where a stable 2.8V supply is needed and where battery life is a critical concern. The device's low dropout voltage enables it to operate efficiently even when the input voltage is close to the output voltage. The integrated protection features, such as overcurrent and thermal shutdown, enhance the reliability of the overall system. Its compact size and ease of use make it a popular choice for a wide range of portable and battery-powered applications.