ON Semiconductor MC33761SNT1-030 Ultra-Low Noise, High PSRR LDO Regulator

The ON Semiconductor MC33761SNT1-030 is a high-performance linear voltage regulator designed to deliver ultra-low noise and high Power Supply Rejection Ratio (PSRR), making it an ideal choice for sensitive RF and analog circuitry that require a clean and stable power supply. With its advanced design, the MC33761SNT1-030 ensures minimal disturbance from supply voltage variations and transient noise, providing designers with a reliable solution for precision applications.

Key Features

• Ultra-Low Output Noise: The device boasts an exceptionally low output noise of typically 9 µVrms over a 10 Hz to 100 kHz bandwidth, ensuring that sensitive analog circuits are not affected by power supply noise.
• High PSRR: It offers a high PSRR of 70 dB at 1 kHz, providing excellent rejection of input voltage fluctuations and transient noise, which is crucial for maintaining signal integrity in high-fidelity audio and precision instrumentation.
• Output Voltage Range: The regulator supports a wide range of output voltages, from 1.2 V to 5.0 V, with a high accuracy of ±0.5%, catering to various application requirements.
• Low Dropout Voltage: The low dropout voltage allows the regulator to maintain regulation with minimal difference between the input and output voltages, improving efficiency and battery life in portable applications.
• Thermal Protection: Integrated thermal shutdown protection ensures that the device operates within safe temperature limits, preventing damage from overheating.

Applications

The MC33761SNT1-030 is particularly well-suited for applications where power supply noise can compromise system performance, such as:

• RF Applications
• Precision Analog Systems
• Portable and Battery-Powered Devices
• Medical Equipment
• High-Fidelity Audio Equipment
• Instrumentation and Test Equipment

With its robust feature set and ON Semiconductor's commitment to quality, the MC33761SNT1-030 LDO regulator is a reliable choice for engineers looking to optimize their designs for noise sensitivity and power efficiency.