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ADP7104ARDZ-5.0-R7
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Product Detailed Parameters
- Description：IC REG LINEAR 5V 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)：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 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-5.0-R7 is a fixed-output low dropout linear regulator manufactured by Analog Devices Inc., providing a regulated 5 V output with a maximum current capability of 500 mA. It operates from an input voltage range of 3.3 V to 20 V and features a typical quiescent current of 900 µA at full load. The device achieves a power supply rejection ratio of 60 dB at 10 kHz and maintains an output noise of 15 µV rms. Dropout voltage is specified at 350 mV under maximum load conditions, with initial accuracy within ±0.8%.
Feature Summary
- Low noise performance suitable for sensitive analog circuits
- Reverse current protection prevents backflow when output exceeds input
- User-programmable precision undervoltage lockout enables power sequencing
- Integrated power-good indicator monitors output voltage health
Applications
- ADC and DAC circuit regulation
- Precision amplifier power supplies
- High frequency oscillators and clock circuits
- PLL (Phase-Locked Loop) systems
Procurement Notes
Verify the specific suffix R7 indicates tape and reel packaging configuration. Confirm that the ARDZ designation corresponds to the industrial temperature range and SOIC package type as documented in the official ordering guide. Ensure compatibility with required PCB layout guidelines for thermal dissipation.
Selection Notes
Select this component for applications requiring high input voltages up to 20 V with low noise requirements. Consider the 8-lead SOIC package for standard surface mount assembly. Evaluate thermal resistance parameters if operating near maximum load currents to ensure junction temperature remains within safe limits.
Part Context
This part belongs to the ADP7104 family of CMOS low dropout regulators designed for high-performance mixed-signal circuits. The series offers multiple fixed voltage options and an adjustable variant, all sharing a common architecture optimized for stability with small ceramic capacitors.
Replacement Considerations
ADP7104ARDZ-3.3-R7
FAQ
What is the minimum recommended output capacitance for stability?
A minimum of 1 µF ceramic capacitor is recommended to ensure stability and optimal transient response.
How does the device handle reverse current flow?
Internal circuitry detects when the output voltage exceeds the input voltage and switches off the pass element to prevent reverse current flow.
