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ADM7150ACPZ-4.5-R7
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Product Detailed Parameters
- Description：IC REG LIN 4.5V 800MA 8-LFCSP-WD
- 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)：16V
- Voltage - Output (Min/Fixed)：4.5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：800mA
- Current - Quiescent (Iq)：7 mA
- Current - Supply (Max)：12 mA
- PSRR：-
- Control Features：Enable
- Protection Features：Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：8-WFDFN Exposed Pad, CSP
- Supplier Device Package：8-LFCSP-WD (3x3)
- Grade：-
- Qualification：-
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Overview
The ADM7150ACPZ-4.5-R7 is a fixed-output linear regulator providing 4.5 V at up to 800 mA from an input range of 4.5 V to 16 V. It features ultralow noise with 1.0 µV rms integrated output noise (100 Hz to 100 kHz) and high power supply rejection exceeding 90 dB from 1 kHz to 100 kHz. The device operates with a 10 µF ceramic output capacitor, maintains a dropout voltage of 0.6 V at full load, and includes thermal shutdown protection.
Feature Summary
- Ultralow noise architecture delivering less than 1.7 nV/√Hz spectral density for sensitive RF applications
- High power supply rejection ratio exceeding 90 dB across the 1 kHz to 100 kHz frequency range
- Optimized stability using standard 10 µF ceramic capacitors without requiring specific ESR values
- Integrated enable pin allowing low-power shutdown with minimal current consumption
Applications
- RF mixers and phase-locked loops (PLLs)
- Voltage-controlled oscillators (VCOs)
- Cable digital-to-analog converter (DAC) drivers
- Backhaul and microwave links
Procurement Notes
Verify the package type matches the required footprint, as the component is available in both LFCSP and SOIC configurations. Confirm that the fixed 4.5 V output aligns with system requirements, as adjustable variants exist within the series. Ensure input voltage remains above the minimum threshold to maintain regulation under all operating conditions.
Selection Notes
Select this part when ultralow noise and high PSRR are critical for signal integrity in radio frequency circuits. The fixed 4.5 V output eliminates external resistor networks, simplifying design. Verify that the 800 mA current capability meets peak load demands while ensuring adequate PCB thermal dissipation for the chosen package.
Part Context
This component belongs to the ADM7150 family of ultralow noise linear regulators designed for demanding RF environments. The series offers various fixed output voltages between 1.5 V and 5.0 V, sharing identical electrical characteristics regarding noise performance and power supply rejection capabilities across the lineup.
Replacement Considerations
The ADM7151 serves as an adjustable alternative within the same family if variable output voltage is required. Other ADM715x series devices may be considered based on specific output voltage needs or package constraints.
