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ADP7104ACPZ-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)：20V
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：500mA
- Current - Quiescent (Iq)：900 µA
- Current - Supply (Max)：1.6 mA
- PSRR：-
- Control Features：Enable, Power Good, Under Voltage Lockout
- Protection Features：Over Temperature, Short Circuit
- 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 ADP7104ACPZ-2.5-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 500 mA of output current. This specific variant features a fixed output voltage of 2.5 V with an initial accuracy of ±0.8%. The device delivers low noise performance, specified at 15 µV rms for fixed output versions, and achieves a power supply rejection ratio of 60 dB at 10 kHz when the output is 3.3 V. It incorporates reverse current protection, foldback current limit, and thermal overload protection.
Feature Summary
- Provides low noise regulation suitable for sensitive analog circuits
- Includes programmable undervoltage lockout and enable functionality
- Features integrated power-good indicator for system monitoring
- Offers reverse current protection to prevent backflow
Applications
- Regulation for ADC and DAC circuits
- Precision amplifier power supplies
- High frequency oscillators and clock circuits
- PLL power regulation
- Medical and healthcare equipment
- Industrial instrumentation systems
Procurement Notes
Verify the package type matches the required PCB footprint, as the component is available in both LFCSP and SOIC configurations. Confirm that the fixed 2.5 V output aligns with the design specifications, as other voltage options exist within the same family. Ensure input and output capacitor selections meet the minimum capacitance and ESR requirements to maintain stability under all operating conditions.
Selection Notes
Select this component for applications requiring high input voltages up to 20 V with low quiescent current consumption. The fixed 2.5 V output eliminates the need for external feedback resistors, simplifying the design. Consider the thermal resistance characteristics of the chosen package when designing for high load currents to ensure junction temperatures remain within safe operating limits.
Part Context
The ADP7104 series comprises high input voltage, low noise CMOS LDO regulators designed for high-performance analog and mixed-signal circuits. The family includes multiple fixed output voltage options ranging from 1.5 V to 9 V, as well as an adjustable version. These regulators are optimized for use with small ceramic capacitors, offering excellent transient response and stability in compact form factors.
Replacement Considerations
Direct substitutes include other ADP7104 variants with different fixed output voltages, such as ADP7104ACPZ-3.3-R7 or ADP7104ACPZ-5.0-R7, provided the voltage requirement differs. For adjustable output needs, the ADP7104ARUZ variant offers flexibility via an external resistor divider while maintaining identical electrical characteristics and pinout compatibility.
