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ADP7159ARDZ-03-R7
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Product Detailed Parameters
- Description：IC REG LIN POS ADJ 2A 8-SOIC-EP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.2V
- Voltage - Output (Max)：2.9V
- Voltage Dropout (Max)：0.28V @ 2A
- Current - Output：2A
- Current - Quiescent (Iq)：8 mA
- Current - Supply (Max)：14 mA
- PSRR：65dB ~ 45dB (1kHz ~ 1MHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature, Under Voltage Lockout (UVLO)
- 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 ADP7159ARDZ-03-R7 is an adjustable linear regulator from Analog Devices, operating within a 2.3 V to 5.5 V input voltage range and delivering up to 2 A of load current. It features ultralow noise performance with 0.9 µV rms integrated noise (100 Hz to 100 kHz) and high power supply rejection ratio (PSRR). The device provides an output voltage range of 1.2 V to 3.3 V, with initial accuracy of ±0.6%. It operates in the -40°C to +125°C temperature range, utilizes an 8-lead SOIC package, and includes precision enable functionality.
Feature Summary
- Ultralow noise architecture optimized for RF applications
- High power supply rejection ratio across wide frequency bands
- Precision enable pin with defined logic thresholds
- Stable operation with standard ceramic output capacitors
Applications
- Phase-locked loops (PLLs)
- Voltage controlled oscillators (VCOs)
- Backhaul and microwave links
Procurement Notes
Verify component authenticity through authorized channels. Confirm package integrity and marking alignment with official datasheet specifications. Ensure environmental compliance documentation matches project requirements. Validate thermal management design against specified junction temperature limits before deployment.
Selection Notes
Select this model when optimizing power dissipation and PSRR for specific input-output voltage differentials. The -03 suffix indicates a configuration optimized for VIN = 3.4 V and VOUT = 2.9 V. Consider thermal resistance characteristics and PCB layout constraints for high-current applications requiring stable regulation.
Part Context
Part of the ADP7159 family of ultralow noise, high PSRR RF linear regulators. Designed to complement other Analog Devices power management solutions for sensitive analog and RF circuits. Supports ADIsimPower design tools for schematic generation and performance optimization.
Replacement Considerations
ADP7159ACPZ-03-R7 offers identical electrical specifications in a 10-lead LFCSP package. Verify footprint compatibility and thermal performance differences between SOIC and LFCSP packages during substitution.
FAQ
What is the typical shutdown current consumption?
The typical shutdown current is 0.2 µA when the EN pin is grounded.
How does the BYP capacitor affect noise performance?
Increasing the BYP capacitor value reduces output noise below 1 kHz at the expense of increased start-up time. Values larger than 33 µF are recommended to be tantalum capacitors in parallel with ceramic capacitors.
