ADP7105ACPZ-3.3-R7

Overview

The ADP7105ACPZ-3.3-R7 is a CMOS low dropout linear regulator providing a fixed 3.3 V output with up to 500 mA current capability. It operates from an input voltage range of 3.3 V to 20 V and features low noise performance of 15 µV rms. The device includes programmable soft start, reverse current protection, and a power-good indicator. It utilizes a small 1 µF ceramic output capacitor for stability.

Feature Summary

• Provides low noise regulation suitable for sensitive analog circuits
• Includes programmable soft start for inrush current control
• Features reverse current protection for system safety
• Offers a digital power-good status indicator

Applications

• Regulation of ADC and DAC circuits
• Precision amplifier power supplies
• High frequency oscillator and clock sources
• PLL power regulation

Procurement Notes

Verify the specific suffix R7 indicates reel packaging when ordering. Confirm the ACPZ designation corresponds to the LFCSP package variant required for your design. Ensure compatibility with the 3.3 V fixed output version specified by the model number.

Selection Notes

Select this component for applications requiring high input voltages up to 20 V with low noise requirements. It is suitable where compact size and thermal efficiency are priorities due to the LFCSP package. Consider the 1 µF minimum capacitance requirement for stable operation.

Part Context

This part belongs to the ADP7105 family of high voltage, low noise LDO regulators from Analog Devices. The family offers fixed and adjustable output options with similar performance characteristics including soft start and protection features across various package types.

Replacement Considerations

Direct replacements include other ADP7105 variants with different output voltages or packages. Verify pinout and electrical specifications match before substitution.