ADM7170ACPZ-4.2-R7: High-Performance, CMOS Linear Regulator

The ADM7170ACPZ-4.2-R7 is a state-of-the-art linear voltage regulator from Analog Devices Inc., designed to deliver high accuracy, low noise, and high power supply rejection ratio (PSRR) for sensitive applications. This regulator is capable of providing up to 500 mA of output current while maintaining a low dropout voltage, ensuring efficient operation even in scenarios where the input voltage is close to the output voltage.

Key Features

• Fixed Output Voltage: Precisely regulated 4.2V output, suitable for powering sensitive analog and RF circuitry.
• High Output Current: Capable of delivering up to 500 mA, making it suitable for a wide range of applications.
• Low Dropout Voltage: Ensures efficient operation by minimizing the difference between the input and output voltages required for optimal regulation.
• High PSRR: Excellent power supply rejection ratio of 70 dB at 10 kHz, which is critical for applications requiring stable voltage unaffected by power supply noise.
• Low Noise: With only 9 µV RMS of output noise over a 10 Hz to 100 kHz bandwidth, it is ideal for noise-sensitive applications such as precision instrumentation, RF circuits, and audio applications.
• Thermal Overload Protection: Ensures the device operates within safe temperature ranges, enhancing reliability and longevity.
• Overcurrent Protection: Protects the regulator and downstream components from damage due to excessive current.

Applications

The ADM7170ACPZ-4.2-R7 is versatile and can be used in a variety of applications, including but not limited to:

• High-Performance Analog Circuits
• Data Acquisition Systems
• RF Applications
• Portable and Battery-Powered Equipment
• Medical Devices
• Precision Instrumentation

Package and Availability

This linear regulator is offered in a compact LFCSP (Lead Frame Chip Scale Package) that is RoHS compliant and suitable for space-constrained applications. The ADM7170ACPZ-4.2-R7 is part of the ADM7170 series, which is available in various fixed output voltage versions, providing design flexibility to meet specific requirements.

With its combination of features, the ADM7170ACPZ-4.2-R7 from Analog Devices Inc. represents a robust power management solution for designers seeking to enhance the performance and reliability of their electronic systems.