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ADM7170ACPZ-2.5-R7
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Product Detailed Parameters
- Description：IC REG LIN 2.5V 500MA 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)：2.5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：500mA
- Current - Quiescent (Iq)：2 mA
- Current - Supply (Max)：5.1 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 ADM7170ACPZ-2.5-R7 is a fixed-output CMOS low dropout linear regulator manufactured by Analog Devices Inc. It provides a regulated 2.5 V output with a maximum load current of 500 mA, operating from an input voltage range of 2.3 V to 6.5 V. The device features ultralow noise performance and high power supply rejection ratio (PSRR). It includes precision enable control, adjustable soft start functionality, and comprehensive protection against overcurrent and thermal overload conditions.
Feature Summary
- Ultralow noise architecture providing stable regulation for sensitive analog circuits
- High power supply rejection ratio ensuring effective filtering of input supply ripple
- Fast transient response capability maintaining stability under rapid load variations
- Integrated precision enable pin and programmable soft start for controlled startup
Applications
- Powering ADC and DAC circuits requiring clean voltage rails
- Supplying precision amplifiers in instrumentation systems
- Regulating PLLs, VCOs, and clocking ICs in communications infrastructure
- Providing power management for medical and healthcare equipment
Procurement Notes
Verify the specific suffix R7 indicates reel packaging when sourcing components. Confirm that the ACPZ designation corresponds to the LFCSP package variant required for your PCB layout. Ensure compatibility with the 2.5 V fixed output specification before integration into designs requiring this precise rail voltage.
Selection Notes
Select this component when designing systems requiring a fixed 2.5 V rail with minimal noise injection. It is suitable for applications where input voltages vary between 2.3 V and 6.5 V. Consider its thermal characteristics and the requirement for small ceramic output capacitors during circuit design to ensure optimal transient performance.
Part Context
This part belongs to the ADM7170 series of high-performance CMOS LDO regulators. The series offers various fixed output voltages ranging from 1.2 V to 5.0 V, alongside adjustable versions. It is designed to replace older linear regulators in portable and battery-powered devices due to its low quiescent current and compact footprint.
Replacement Considerations
Direct replacements within the same family include other fixed voltage variants such as ADM7170ACPZ-3.3-R7 or ADM7170ACPZ-1.8-R7 if different output levels are acceptable. Higher current alternatives like the ADM7171 or ADM7172 series may be considered if load requirements exceed 500 mA.
