The KIA78D33AF-RTF/P is a 3.3V fixed voltage regulator manufactured by KEC. This device is designed to provide a stable and regulated 3.3V output voltage from a higher input voltage. It is commonly used in a wide range of electronic devices to power microcontrollers, sensors, and other low-voltage components. The regulator incorporates overcurrent and thermal overload protection to ensure reliable operation and prevent damage from electrical stress.

Applications:

• Microcontroller power supplies
• Sensor power supplies
• Logic circuit power supplies
• Battery-powered devices
• Industrial control systems

Features:

• Fixed 3.3V output voltage: Provides a stable and regulated 3.3V output.
• Overcurrent protection: Protects the regulator from damage due to excessive output current.
• Thermal overload protection: Protects the regulator from damage due to excessive temperature.
• Low dropout voltage: Maintains regulation with a small difference between input and output voltage.
• Compact package: Available in a small package for space-constrained applications.
• High efficiency: Converts input voltage to output voltage with minimal power loss.

Benefits:

• Stable power supply: Ensures that the powered devices receive a consistent and reliable voltage.
• Protection against damage: Overcurrent and thermal overload protection prevent damage to the regulator and the powered devices.
• Extended battery life: High efficiency minimizes power consumption in battery-powered devices.
• Simplified system design: Provides a simple and reliable voltage regulation solution.
• Improved system reliability: Enhances the overall robustness of the electronic system.

Additional Details:

The KIA78D33AF-RTF/P typically requires a minimum input voltage slightly above 3.3V to maintain regulation. The dropout voltage is the minimum voltage difference between the input and output required for the regulator to operate correctly. The device is available in various package types, including TO-252 and SOT-223, for easy integration into circuit boards. Detailed specifications regarding input voltage range, output current, and thermal resistance can be found in the product datasheet.