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ADP7158ACPZ-2.5-R7
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Product Detailed Parameters
- Description：IC REG LINEAR 2.5V 2A 10LFCSP
- 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)：5.5V
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：2A
- Current - Quiescent (Iq)：8 mA
- Current - Supply (Max)：14 mA
- PSRR：-
- 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：10-VFDFN Exposed Pad, CSP
- Supplier Device Package：10-LFCSP-WD (3x3)
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Overview
The ADP7158ACPZ-2.5-R7 is a fixed-output linear regulator from Analog Devices, providing a precise 2.5 V output with a maximum load current of 2 A. It operates within an input voltage range of 2.3 V to 5.5 V and features ultralow noise performance, characterized by 0.9 µV rms integrated noise (100 Hz to 100 kHz) and a typical power supply rejection ratio of 70 dB. The device utilizes a 10-lead LFCSP package and includes precision enable functionality.
Feature Summary
- Delivers up to 2 A of continuous load current while maintaining ultralow noise specifications for sensitive RF applications.
- Provides high power supply rejection ratio across a wide frequency spectrum to minimize ripple and interference.
- Features a programmable precision enable pin with internal hysteresis to prevent oscillation during threshold transitions.
- Optimized for stability using standard ceramic capacitors, requiring only a minimum of 10 µF on the output.
Applications
- Phase-locked loops (PLLs)
- Voltage controlled oscillators (VCOs)
- Backhaul and microwave links
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm the fixed 2.5 V output voltage option. Ensure that the procurement channel sources components directly from authorized distributors to guarantee authenticity and traceability. Confirm package type compatibility with your PCB footprint prior to finalizing orders.
Selection Notes
Select this component when designing circuits that require high current delivery alongside strict noise constraints. Evaluate the thermal resistance characteristics of the LFCSP package to ensure adequate heat dissipation under maximum load conditions. Verify that the input voltage source remains within the specified operational range to maintain regulation and PSRR performance.
Part Context
This part belongs to the ADP7158 series of high PSRR RF linear regulators. It shares architectural similarities with the ADP7156, ADP7157, and ADP7159, differing primarily in maximum load current capabilities and available output voltage options. The series targets demanding radio frequency infrastructure applications requiring stable, clean power supplies.
Replacement Considerations
The ADP7159 serves as a functional alternative within the same family, offering identical package dimensions and similar electrical characteristics but featuring an adjustable output voltage rather than a fixed 2.5 V configuration.
