The ADM7172ACPZ-3.3-R7 is a high-performance, CMOS linear voltage regulator offering a fixed output voltage of 3.3V, tailored by Analog Devices Inc. to deliver superior regulation and performance for diverse applications. This robust component is housed in a compact LFCSP (Lead Frame Chip Scale Package) and is part of the ADM7172 series known for its exceptional noise performance and power supply rejection ratio (PSRR).

Key Features

• Output Voltage: Precisely regulated 3.3V output, making it suitable for sensitive analog and digital circuits that demand a stable power supply.
• Output Current: Capable of delivering up to 500mA of output current, which is ample for powering a wide array of ICs and embedded systems.
• High PSRR: Superior power supply rejection ratio (PSRR) of 70dB at 10kHz, ensuring minimal disturbance from power supply fluctuations.
• Low Dropout: The low dropout voltage design allows for efficient operation even when the input voltage is close to the output voltage, enhancing battery life in portable devices.
• Low Noise: With an ultra-low output noise of only 4.5μVrms over a 10Hz to 100kHz range, the ADM7172 is ideal for RF and precision analog applications where noise can be a critical factor.
• Thermal Protection: Integrated thermal overload protection safeguards the device against excessive temperature and power dissipation.
• Current Limiting: Built-in current limit feature prevents damage to the regulator during fault conditions such as output short circuits.
• Package: The LFCSP package ensures a minimal footprint on the PCB, which is crucial for space-constrained designs.

Applications

The ADM7172ACPZ-3.3-R7 is versatile and can be employed in various high-performance applications, including:

• Portable and battery-powered devices
• Data acquisition systems
• Medical and healthcare equipment
• Communications infrastructure
• Automotive electronics
• Industrial control systems

With its combination of features, the ADM7172ACPZ-3.3-R7 from Analog Devices Inc. stands out as an excellent choice for designers seeking a reliable and efficient voltage regulator for their next project.