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ADM7172ACPZ-4.2-R7
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Product Detailed Parameters
- Description：IC REG LINEAR 4.2V 2A 8-LFCSP-WD
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：6.5V
- Voltage - Output (Min/Fixed)：4.2V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：2A
- Current - Quiescent (Iq)：2 mA
- Current - Supply (Max)：8.7 mA
- PSRR：-
- Control Features：Enable, Soft Start
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：8-WFDFN Exposed Pad, CSP
- Supplier Device Package：8-LFCSP-WD (3x3)
- Grade：-
- Qualification：-
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Overview
The ADM7172ACPZ-4.2-R7 is a CMOS low dropout linear regulator (LDO) manufactured by Analog Devices Inc. It operates within an input voltage range of 2.3 V to 6.5 V and delivers up to 2 A of output current. This specific variant provides a fixed output voltage of 4.2 V. The device features ultralow noise, high power supply rejection ratio (PSRR), and fast transient response capabilities. It is housed in an 8-lead, 3 mm × 3 mm LFCSP package.
Feature Summary
- Provides high power supply rejection and low noise for sensitive analog circuits
- Achieves excellent line and load transient response with small ceramic capacitors
- Includes precision enable control and adjustable soft start functionality
Applications
- Regulation for ADC and DAC circuits
- Precision amplifiers
- PLLs/VCOs and clocking ICs
- Medical and healthcare equipment
- Industrial and instrumentation systems
Procurement Notes
Verify the component authenticity through official Analog Devices channels or authorized distributors. Confirm the part number matches the exact specifications required for your design. Check for RoHS compliance status and ensure the package type aligns with your PCB layout constraints. Review the datasheet for any recent revisions that may affect performance characteristics.
Selection Notes
Select this component when designing circuits requiring stable regulation from higher voltages down to 4.2 V rails. Ensure the input voltage remains within the specified operational range. Consider the thermal performance requirements given the compact package size and potential for high output currents. Verify capacitor selection meets stability criteria for optimal transient response.
Part Context
This device belongs to the ADM7172 series of low dropout regulators designed for high-performance applications. It shares architectural similarities with other members of the family but offers distinct output voltage options. The series is optimized for portable equipment due to its low quiescent current consumption and efficient operation under varying load conditions.
Replacement Considerations
The ADM7171ACPZ-4.2-R7 serves as a related device within the same product family, offering similar features but with a lower maximum load current capability.
