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ADP7104ARDZ-3.0-R7
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Product Detailed Parameters
- Description：IC REG LINEAR 3V 500MA 8-SOIC-EP
- 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)：3V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.55V @ 500mA
- 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-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SOIC-EP
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Overview
The ADP7104ARDZ-3.0-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 part offers a fixed 3.0 V output with an initial accuracy of ±0.8%. The device features low noise performance, delivering 15 µV rms in the 10 Hz to 100 kHz bandwidth. It includes reverse current protection, foldback current limit, thermal overload protection, and a user-programmable precision undervoltage lockout function. The component is housed in an 8-lead LFCSP package.
Feature Summary
- Provides high power supply rejection ratio and low noise for sensitive analog circuits
- Incorporates reverse current protection to prevent backward flow through the pass element
- Features a digital power-good indicator for system health monitoring
- Supports stable operation with small ceramic output capacitors
Applications
- Regulation for ADC and DAC circuits
- Precision amplifiers and high frequency oscillators
- Clocks and PLLs
- Communications and infrastructure systems
- Medical and healthcare equipment
Procurement Notes
Verify the exact ordering suffix matches the required package type and temperature grade. Confirm that the fixed 3.0 V output option aligns with the design requirements. Ensure compatibility with the specified 8-lead LFCSP footprint during PCB layout. Check datasheet specifications for minimum capacitance requirements to guarantee stability under all operating conditions.
Selection Notes
Select this component when a fixed 3.0 V rail is needed from a higher voltage source up to 20 V. Consider the low quiescent current for battery-operated applications. Evaluate thermal dissipation capabilities based on the load current and ambient temperature. Verify that the available packages meet the space constraints of the target application.
Part Context
This regulator belongs to the ADP7104 family, which includes various fixed output voltage options ranging from 1.5 V to 9 V, as well as an adjustable version. The family is designed for high-performance analog and mixed-signal circuits. Other variants share similar electrical characteristics but differ in output voltage settings and package options such as SOIC.
Replacement Considerations
Direct substitutes within the same family include other fixed voltage options like ADP7104ACPZ-3.3-R7 or ADP7104ACPZ-5.0-R7 if different voltage rails are acceptable. Cross-family replacements require matching input voltage ranges, output current capabilities, and package dimensions.
