ON Semiconductor MC33761SNT1-025G: Ultra-Low Noise, High PSRR, Low Dropout Voltage Regulator

The MC33761SNT1-025G from ON Semiconductor is a state-of-the-art low dropout (LDO) voltage regulator, meticulously designed to deliver stable and clean power supply in noise-sensitive applications. This high-performance component is ideal for use in RF systems, analog circuits, and portable devices where power efficiency and minimal noise are critical for optimal operation.

Key Features

• Ultra-Low Output Noise: With an impressively low output noise of just 9 µVRMS over a 10 Hz to 100 kHz bandwidth, the MC33761SNT1-025G ensures that sensitive analog circuits are free from unwanted interference and noise, thereby maintaining signal integrity.
• High Power Supply Rejection Ratio (PSRR): Featuring a high PSRR of 70 dB at 1 kHz, this LDO regulator significantly attenuates input voltage fluctuations, providing a more reliable and consistent output voltage.
• Low Dropout: The low dropout characteristic of this device means it can maintain regulation with a minimal difference between the input and output voltages, which is essential for maximizing battery life in portable applications.
• Output Voltage: The fixed output voltage of 2.5V is suitable for a variety of low-voltage electronics, ensuring compatibility with common logic levels and integrated circuits.
• Output Current: Capable of supplying up to 80 mA of continuous output current, the MC33761SNT1-025G can power a range of low-power devices and circuits.
• Thermal Shutdown and Current Limit Protection: Built-in safety features protect the device and the application from damage due to excessive heat and overcurrent conditions.
• Small Footprint: The compact SOT-23-5 package is space-efficient, making it an excellent choice for space-constrained applications.

Applications

The ON Semiconductor MC33761SNT1-025G is highly versatile and can be used in various applications, including:

• Portable and battery-powered devices
• RF and wireless communication systems
• Audio and video equipment
• Medical devices
• Sensitive analog and mixed-signal circuits
• Microcontroller and microprocessor power supplies

With its exceptional performance and reliability, the MC33761SNT1-025G LDO voltage regulator is a top choice for designers looking to optimize power management in their noise-sensitive electronic systems.