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ADP7105ARDZ-5.0
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Product Detailed Parameters
- Description：IC REG LINEAR 5V 500MA 8-SOIC-EP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：20V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.55V @ 500mA
- Current - Output：500mA
- Current - Quiescent (Iq)：900 µA
- Current - Supply (Max)：1.6 mA
- PSRR：60dB ~ 50dB (10kHz ~ 100kHz)
- Control Features：Enable, Power Good, Under Voltage Lockout
- Protection Features：Over Current, Over Temperature, Reverse Polarity
- 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 ADP7105ARDZ-5.0 is a fixed-output low dropout linear regulator providing a 5 V output with up to 500 mA current capability. It operates from an input voltage range of 3.3 V to 20 V and features low noise performance of 15 µV rms. The device includes programmable soft start, reverse current protection, and a power-good indicator. It offers high power supply rejection ratio (PSRR) of 60 dB at 10 kHz and maintains accuracy within ±0.8% initially, extending to −2% to +1% over temperature.
Feature Summary
- Provides low noise regulation suitable for sensitive analog circuits
- Features programmable soft start for inrush current control
- Includes reverse current protection and foldback current limiting
- Offers user-programmable precision undervoltage lockout
Applications
- Regulation of ADC and DAC circuits
- Precision amplifier power supplies
- High frequency oscillators and clocks
- PLL power regulation
Procurement Notes
Verify the specific ordering suffix matches the required package type and tape/reel configuration. Confirm that the component meets RoHS compliance standards for your region. Ensure the supplier provides valid traceability documentation. Check for any recent product change notices affecting pinout or specifications before finalizing procurement.
Selection Notes
Select this regulator when a stable 5 V rail is required from higher input voltages up to 20 V. Consider the thermal resistance characteristics of the SOIC package for heat dissipation at full load. Ensure the application utilizes ceramic capacitors with appropriate ESR values to maintain stability. Verify that the soft start timing requirements align with system startup sequencing needs.
Part Context
This component belongs to the ADP7105 family of high-voltage LDO regulators designed by Analog Devices. The series supports various fixed and adjustable output voltages. It is engineered for applications requiring low noise and high PSRR in compact surface-mount packages. The family integrates advanced protection features for robust operation in industrial and communication systems.
Replacement Considerations
Consult official Analog Devices documentation for verified cross-reference part numbers. Ensure replacement components match the original pinout and electrical specifications. Verify package compatibility and thermal performance characteristics before substitution.
