ADP7102ACPZ-2.5-R7

Overview

The ADP7102ACPZ-2.5-R7 is a fixed-output CMOS low dropout linear regulator manufactured by Analog Devices Inc., providing a regulated 2.5 V output with a maximum current of 300 mA. It operates from an input voltage range of 3.3 V to 20 V and features low noise performance of 15 μV rms for fixed versions. The device includes reverse current protection, foldback current limit, thermal overload protection, and a user-programmable precision UVLO/enable function. It utilizes an 8-lead LFCSP package.

Feature Summary

• Provides high power supply rejection ratio and low noise suitable for sensitive analog circuits
• Includes digital power-good indicator and programmable undervoltage lockout for system monitoring
• Features reverse current protection and thermal shutdown for enhanced reliability

Applications

• Regulation for ADC and DAC circuits
• Precision amplifiers and high frequency oscillators
• Clocks and phase-locked loops
• Communications and infrastructure systems
• Medical and healthcare equipment

Procurement Notes

Verify the specific suffix R7 corresponds to the reel packaging configuration required for your assembly line. Confirm that the 2.5 V fixed output variant matches your design specifications before procurement. Ensure compatibility with the 8-lead LFCSP footprint during PCB layout validation.

Selection Notes

Select this component when a stable 2.5 V rail is required from higher voltage sources up to 20 V. Consider its low quiescent current for battery-operated applications. Verify that the 1 μF ceramic output capacitor requirement aligns with your board space constraints. Evaluate thermal dissipation requirements based on the expected load current and ambient temperature conditions.

Part Context

This part belongs to the ADP7102 family of high-voltage, low-noise CMOS LDO regulators. The series offers multiple fixed output voltage options and an adjustable version. It is designed for applications requiring excellent transient response and stability with small ceramic capacitors, distinguishing it from standard LDOs that may require larger electrolytic or tantalum outputs.

Replacement Considerations

Direct replacements within the same family include other fixed voltage variants such as ADP7102ACPZ-1.8-R7, ADP7102ACPZ-3.0-R7, and ADP7102ACPZ-3.3-R7. These share identical pinouts and electrical characteristics except for the output voltage setting.

FAQ

What is the minimum output capacitance required for stability?

The ADP7102 is stable with a minimum output capacitance of 1 μF ceramic capacitor.

Does the device support reverse current flow?

Yes, the ADP7102 includes reverse current protection to prevent backflow from the output to the input.