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ADP7104ARDZ-R7
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Product Detailed Parameters
- Description：IC REG LINEAR POS ADJ 8-SOIC-EP
- 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)：19.45V
- Voltage Dropout (Max)：0.55V @ 500mA
- Current - Output：500mA
- Current - Quiescent (Iq)：900 µA
- Current - Supply (Max)：1.6 mA
- PSRR：80dB ~ 50dB (10kHz ~ 100kHz)
- 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-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SOIC-EP
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Overview
The ADP7104ARDZ-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 model features an adjustable output voltage, allowing settings from 1.22 V to VIN minus the dropout voltage via an external feedback divider. The device incorporates reverse current protection, foldback current limit, and thermal overload protection. It includes a user-programmable precision undervoltage lockout function and a power-good indicator.
Feature Summary
- Adjustable output voltage configuration using an external resistor divider
- Integrated reverse current protection circuitry
- Foldback current limit and thermal overload protection mechanisms
- User-programmable precision undervoltage lockout functionality
Applications
- Regulation for noise-sensitive applications such as ADC and DAC circuits
- Precision amplifiers and high-frequency oscillators
- Clocks and phase-locked loops (PLLs)
- Communications and infrastructure systems
- Medical and healthcare equipment
Procurement Notes
Verify that the ordering suffix -R7 corresponds to the reel packaging format required for your assembly line. Confirm the package type matches the SOIC footprint specifications in the datasheet outline dimensions. Ensure the component revision aligns with your design requirements. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before finalizing procurement orders.
Selection Notes
Select this component when an adjustable output voltage is required within the specified input range. Consider the thermal resistance characteristics of the SOIC package for heat dissipation calculations. Evaluate the minimum capacitance requirements for stability with ceramic capacitors. Assess the quiescent current consumption against battery life constraints if used in portable applications. Verify that the load transient response meets system performance needs.
Part Context
The ADP7104 series comprises low dropout linear regulators designed for high-performance analog and mixed-signal circuits. The family offers both fixed and adjustable output options in compact packages. The ADP7104ARDZ-R7 specifically denotes the adjustable variant in surface-mount packaging. It belongs to a broader portfolio of power management solutions from Analog Devices focused on efficiency and noise reduction.
Replacement Considerations
Consult the official Analog Devices documentation for direct pin-compatible substitutes within the ADP7104 family. Verify electrical parameters and package dimensions match before substitution. No other specific substitute part numbers are confirmed in the provided source material.
