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ADP7102ACPZ-R7
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Product Detailed Parameters
- Description：IC REG LIN POS ADJ 300MA 8LFCSP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：20V
- Voltage - Output (Min/Fixed)：1.22V
- Voltage - Output (Max)：19.675V
- Voltage Dropout (Max)：0.325V @ 300mA
- Current - Output：300mA
- Current - Quiescent (Iq)：900 µA
- Current - Supply (Max)：1.4 mA
- PSRR：80dB ~ 50dB (10kHz ~ 100kHz)
- Control Features：Enable, Power Good, Under Voltage Lockout
- Protection Features：Over Current, Over Temperature, Reverse Polarity
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：8-WFDFN Exposed Pad, CSP
- Supplier Device Package：8-LFCSP-WD (3x3)
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Overview
The ADP7102ACPZ-R7 is a CMOS low dropout linear regulator manufactured by Analog Devices Inc. It operates from an input voltage range of 3.3 V to 20 V and provides up to 300 mA of output current. The device features low noise performance with 15 μV rms output noise for fixed versions and high power supply rejection ratios. It includes reverse current protection, foldback current limit, thermal overload protection, and a user-programmable precision UVLO/enable function. The part is housed in an 8-lead LFCSP package.
Feature Summary
- Low noise operation suitable for sensitive analog circuits
- Reverse current protection capability
- Foldback current limit and thermal overload protection
- User programmable precision undervoltage lockout
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 indicates reel packaging when sourcing. Confirm the exact output voltage option matches the required system rail, as the base model number requires a voltage-specific suffix. Ensure the LFCSP package footprint aligns with the PCB layout design. Check for moisture sensitivity level requirements during storage and handling procedures.
Selection Notes
Select this component for applications requiring high input voltages up to 20 V with low quiescent current consumption. It is suitable for battery-operated portable equipment due to its low shutdown current. Consider the small 1 μF ceramic output capacitor requirement for stability. Evaluate thermal dissipation needs based on the junction-to-ambient resistance of the LFCSP package.
Part Context
This component belongs to the ADP7102 family of high-performance low dropout regulators. The family offers multiple fixed output voltage options and an adjustable version. It is designed for regulating high-performance analog and mixed-signal circuits operating from various rails. The LFCSP package provides excellent thermal performance in a compact footprint.
Replacement Considerations
ADP7102ACPZ-3.0-R7
FAQ
What is the minimum output capacitance required for stability?
A minimum of 0.7 μF is required over the full operating temperature range, with X7R and X5R type capacitors recommended.
How does the power-good indicator function?
It is an open-drain output that transitions low if the device is in shutdown, current limit, thermal shutdown, or falls below 90% of the nominal output voltage.
