The MC33269D-3.3G from onsemi is a high-performance, fixed-output linear voltage regulator designed to deliver a stable 3.3V output with a maximum current capacity of 800mA. It operates with an input voltage range up to 20V, making it suitable for a variety of power supply applications. The device features a low dropout voltage of 1.35V @ 800mA, ensuring efficient operation even with lower input voltages. With a quiescent current of 8 mA and a high PSRR of 55dB (120Hz), it excels in noise-sensitive environments. Housed in an 8-SOIC package, this regulator is optimized for surface-mount designs and complies with ROHS3 and REACH environmental standards.
The MC33269D-3.3G is ideal for applications requiring reliable, low-noise voltage regulation, such as:
The MC33269D-3.3G stands out as a versatile, high-efficiency linear regulator with robust protection features and superior noise performance. Its low dropout voltage, high PSRR, and 800mA output make it a preferred choice for engineers designing power supplies in industrial, consumer, and embedded applications. The 8-SOIC package ensures compatibility with modern PCB designs, while compliance with RoHS3 and REACH underscores its environmental responsibility. For projects demanding stable 3.3V power with minimal noise, this regulator delivers exceptional performance and reliability.
Download datasheets and manufacturer documentation for MC33269D-3.3G