onsemi

MC33269DR2-3.3

MC33269DR2-3.3 Description

The MC33269DR2-3.3 is a linear voltage regulator from onsemi, designed to provide a stable 3.3V output with an output current of up to 800mA. This device is part of the Linear & Switching Voltage Regulators category and is offered in an 8SOIC package. Despite being classified as obsolete, it remains a popular choice for certain applications due to its unique features and performance benefits.

MC33269DR2-3.3 Features

• Output Type: Fixed, ensuring a stable and consistent output voltage.
• Voltage - Input (Max): 20V, allowing for a wide range of input voltages.
• Current - Output: 800mA, suitable for applications requiring moderate current.
• Number of Regulators: 1, providing a single output.
• Output Configuration: Positive, ideal for applications requiring a positive voltage reference.
• Product Status: Obsolete, but still available for specific use cases.
• REACH Status: REACH Unaffected, indicating compliance with European chemical regulations.
• Voltage - Output (Min/Fixed): 3.3V, providing a fixed output voltage.
• Voltage Dropout (Max): 1.35V @ 800mA, ensuring efficient operation even under heavy load.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), allowing for flexible storage and handling conditions.
• Current - Quiescent (Iq): 8 mA, minimizing power consumption in standby mode.
• PSRR: 55dB (120Hz), providing excellent power supply rejection ratio.
• Mounting Type: Surface Mount,PCB。
• Protection Features: Over Temperature, Short Circuit, ensuring device reliability and safety.
• Package: Tape & Reel (TR), facilitating automated assembly processes.

MC33269DR2-3.3 Applications

The MC33269DR2-3.3 is ideal for applications where a stable 3.3V output is required, such as:

• Portable Electronics: Due to its low quiescent current and small form factor, it is suitable for battery-powered devices.
• Industrial Control Systems: Its ability to handle a wide input voltage range makes it suitable for industrial applications with varying power sources.
• Telecommunications Equipment: The fixed output voltage and high PSRR make it ideal for maintaining stable operation in communication systems.

Conclusion of MC33269DR2-3.3

While the MC33269DR2-3.3 is classified as obsolete, it remains a viable option for applications requiring a stable 3.3V output with moderate current. Its unique features, such as a low quiescent current and high PSRR, make it suitable for a variety of applications, including portable electronics, industrial control systems, and telecommunications equipment. Although it may not be the latest technology, its performance and reliability make it a worthwhile consideration for specific use cases.