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ADP7118ARDZ-5.0
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Product Detailed Parameters
- Description：IC REG LINEAR 5V 200MA 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)：0.42V @ 200mA
- Current - Output：200mA
- Current - Quiescent (Iq)：140 µA
- Current - Supply (Max)：320 µA
- PSRR：88dB ~ 50dB (10kHz ~ 1MHz)
- Control Features：Enable, Soft Start
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C (TA)
- 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 ADP7118ARDZ-5.0 is a CMOS low dropout linear regulator manufactured by Analog Devices Inc., providing a fixed 5.0 V output with a maximum current of 200 mA. It operates from an input voltage range of 2.7 V to 20 V and features low noise performance of 11 µV rms. The device includes user-programmable soft start, precision enable, and thermal overload protection. It is housed in an 8-lead SOIC package and supports operation across temperatures from -40°C to +125°C.
Feature Summary
- Provides ultralow output noise of 11 µV rms independent of the fixed output voltage setting.
- Features high power supply rejection ratio (PSRR) reaching 88 dB at 10 kHz for effective ripple suppression.
- Supports stable operation using small 2.2 µF ceramic output capacitors.
- Includes programmable precision enable thresholds and user-configurable soft-start timing.
Applications
- Powering ADC and DAC circuits requiring clean voltage rails
- Supplying precision amplifiers and VCO VTUNE control
- Noise-sensitive applications in communications and infrastructure
- Medical and healthcare equipment requiring regulated power
Procurement Notes
Verify the specific suffix 'ARDZ' against the manufacturer's ordering guide to confirm the exact package type, temperature grade, and lead-free status. Confirm availability through authorized distributors as stock levels fluctuate. Ensure the selected component matches the required PCB footprint for the 8-lead SOIC configuration.
Selection Notes
Select this component when a fixed 5.0 V rail is needed from inputs up to 20 V. Consider the 8-lead SOIC package for applications prioritizing thermal dissipation over board space. Evaluate the need for external soft-start or enable threshold adjustments based on system startup requirements.
Part Context
This part belongs to the ADP7118 family of high-voltage, low-noise LDO regulators. The series offers various fixed output voltages and packages, including LFCSP and TSOT. The ARDZ designation specifically identifies the 8-lead SOIC variant within this product line.
Replacement Considerations
Consult the official ADI replacement matrix for direct pin-compatible alternatives. Verify that any substitute maintains the 20 V input rating and 200 mA output capability while matching the 8-lead SOIC footprint.
