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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 10LFCSP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：2.95V ~ 20V
- Frequency - Switching：600kHz
- Duty Cycle (Max)：65%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-VFDFN Exposed Pad, CSP
- Supplier Device Package：10-LFCSP-WD (3x3)
- Grade：-
- Qualification：-
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Overview
The ADP1871ACPZ-0.6-R7 is a synchronous buck controller manufactured by Analog Devices Inc., housed in a 10-lead LFCSP package measuring 3mm x 3mm. It operates with an input voltage range from 2.95 V to 20 V and delivers a typical output current of 25 A. The device features a fixed switching frequency of 600 kHz and supports an operating temperature range from -40 °C to +125 °C. This component utilizes constant on-time valley current mode control and includes power save mode functionality for enhanced light load efficiency.
Feature Summary
- Implements constant on-time valley current mode control architecture
- Integrates power save mode to optimize efficiency during light load conditions
- Operates without requiring an external sense resistor
Applications
- Point-of-load regulation in high-density server architectures
- Power distribution networks for field-programmable gate arrays (FPGAs)
- Voltage regulation for application-specific integrated circuits (ASICs)
Procurement Notes
Verify the specific suffix 'R7' corresponds to the tape and reel packaging configuration as defined in the official Analog Devices documentation. Confirm that the 10-lead LFCSP footprint matches the target PCB layout requirements. Ensure compliance with moisture sensitivity levels indicated in the datasheet prior to assembly processing.
Selection Notes
Select this controller when designing systems requiring high output currents up to 25 A with precise transient response capabilities. The absence of an external sense resistor simplifies bill of materials and reduces component count. Evaluate thermal performance within the specified -40 °C to +125 °C range to ensure reliable operation under varying environmental conditions.
Part Context
This component belongs to the ADP1871 family of synchronous buck controllers designed for demanding digital load applications. It represents a solution for efficient power conversion where size constraints and dynamic load demands are critical. The device integrates essential protection features and control loops necessary for stable operation in complex multi-rail power systems.
Replacement Considerations
Cross-reference with other Analog Devices synchronous buck controllers offering similar current ratings and control topologies. Verify pin compatibility and thermal characteristics before substituting with alternative part numbers.
