onsemi

CAT6218-280TDGT3

CAT6218-280TDGT3 Description

The CAT6218-280TDGT3 is a linear regulator IC designed for power management applications, offering a fixed output voltage of 2.8V and a maximum output current of 300mA. Manufactured by onsemi, this device is housed in a TSOT23-5 package, making it suitable for surface mount applications. Despite its obsolete status, the CAT6218-280TDGT3 remains a reliable choice for applications requiring a low dropout voltage and efficient power regulation.

CAT6218-280TDGT3 Features

• Output Type: Fixed output voltage of 2.8V ensures stable power supply for sensitive electronic components.
• Voltage - Input (Max): Capable of handling input voltages up to 5.5V, providing flexibility in power source selection.
• Current - Output: Delivers a consistent 300mA of output current, suitable for a wide range of low-power applications.
• Number of Regulators: Single regulator design simplifies circuit design and reduces component count.
• Output Configuration: Positive output configuration ensures compatibility with standard electronic systems.
• Current - Supply (Max): Low supply current of 90 µA minimizes power consumption, making it ideal for battery-powered devices.
• Voltage Dropout (Max): Low dropout voltage of 0.3V at 300mA enhances efficiency, especially in applications with tight voltage margins.
• Current - Quiescent (Iq): Quiescent current of 75 µA ensures minimal power loss during standby or low-load conditions.
• PSRR: High power supply rejection ratio (64dB at 1kHz to 54dB at 20kHz) filters out noise from the input power supply, maintaining output stability.
• Control Features: Enable control feature allows for easy on/off control of the regulator, enhancing system flexibility.
• Protection Features: Over-temperature protection safeguards the device from thermal damage, ensuring reliable operation.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) indicates robustness against moisture, suitable for various environmental conditions.
• Package: Tape & Reel (TR) packaging facilitates automated assembly processes, ensuring high production efficiency.

CAT6218-280TDGT3 Applications

The CAT6218-280TDGT3 is well-suited for applications requiring efficient power regulation and low dropout voltage. Its fixed 2.8V output and 300mA current capability make it ideal for:

• Battery-powered devices: The low dropout voltage and low quiescent current ensure extended battery life.
• Portable electronics: The TSOT23-5 package and surface mount design make it suitable for compact, space-constrained designs.
• Low-power systems: The combination of low supply current and high PSRR ensures stable and efficient power delivery.
• Industrial control systems: The over-temperature protection and moisture sensitivity level 1 make it robust for industrial environments.

Conclusion of CAT6218-280TDGT3

The CAT6218-280TDGT3 is a versatile linear regulator IC that offers a balance of performance and efficiency. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications where power efficiency and output stability are critical. Despite its obsolete status, the CAT6218-280TDGT3 remains a reliable option for designers seeking a robust and efficient power management solution.