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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 14LFCSP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),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, Power Good, Soft Start
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：14-WFDFN Exposed Pad, CSP
- Supplier Device Package：14-LFCSP-WD (4x3)
- Grade：-
- Qualification：-
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Overview
The ADP1879ACPZ-0.6-R7 is a synchronous buck controller from Analog Devices, featuring constant on-time and valley current mode control with power saving mode. It supports an input voltage range of 2.5V to 5.5V and delivers up to 30A output current. The device operates at switching frequencies of 300kHz, 600kHz, or 1MHz, with a minimum output voltage of 600mV. It functions within a temperature range of -40°C to +125°C in an LFCSP-10 package.
Feature Summary
- Synchronous buck topology with integrated high-side and low-side gate drivers
- Constant on-time control architecture combined with valley current mode for fast transient response
- Power saving mode operation to enhance efficiency during light load conditions
Applications
- Central processing unit (CPU) core voltage regulation
- Graphics processing unit (GPU) power delivery
- Field programmable gate array (FPGA) power supplies
- Telecommunications base station equipment
Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm pinout and electrical characteristics. Confirm RoHS compliance status through the manufacturer's datasheet. Check for moisture sensitivity level requirements during storage and handling. Ensure the supplier provides valid traceability documents for quality assurance purposes.
Selection Notes
Select this component when designing systems requiring high dynamic performance and efficient light-load operation. The constant on-time architecture simplifies compensation compared to fixed-frequency PWM controllers. Consider the thermal dissipation capabilities of the LFCSP-10 package relative to the expected load current and ambient temperature conditions.
Part Context
This part belongs to the ADP187x series of synchronous buck controllers designed for high-current digital loads. It complements other models like the ADP1870 and ADP1871 by offering specific control modes optimized for modern processor power stages. The series focuses on balancing efficiency, transient response, and design simplicity for complex power architectures.
Replacement Considerations
Direct substitutes include the ADP1870ACPZ-0.6-R7 and ADP1871ACPZ-0.6-R7. Verify compatibility regarding control loop stability and external component selection before substitution.
