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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 20LFCSP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：3V ~ 20V
- Frequency - Switching：300kHz, 600kHz
- Duty Cycle (Max)：93%
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Enable, Frequency Control, Power Good, Soft Start, Tracking
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-WFQFN Exposed Pad, CSP
- Supplier Device Package：20-LFCSP (4x4)
- Grade：-
- Qualification：-
Download product information
Overview
The ADP1828ACPZ-R7 is a high-voltage buck switching controller from Analog Devices, designed for efficient DC-DC conversion. It operates with a switching frequency range of 300 kHz to 600 kHz and supports output voltages from 600 mV to 20.4 V. The device functions within an operating temperature range of -40°C to +85°C. Packaged in a 20-LFCSP (4x4) surface-mount format, it integrates an internal LDO and features shutdown capabilities for power management applications.
Feature Summary
- Integrates a high-voltage buck topology with an internal low-dropout regulator for simplified power architecture.
- Offers adjustable switching frequencies between 300 kHz and 600 kHz to optimize efficiency and component size.
- Supports wide output voltage ranges from 600 mV to 20.4 V for versatile load requirements.
Applications
- Powering telecommunications base stations and network equipment
- Providing stable supply for server and data center infrastructure
- Industrial control system power distribution
Procurement Notes
Verify the specific suffix 'ACPZ' against official Analog Devices documentation to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint for the 20-LFCSP form factor. Cross-reference thermal performance requirements with the datasheet's junction-to-ambient characteristics. Confirm that the input voltage range aligns with your system's high-voltage buck application constraints before finalizing procurement.
Selection Notes
Select this controller when a high-voltage step-down solution with integrated regulation is required. The fixed 20-LFCSP package suits space-constrained designs. Consider the 300-600 kHz frequency range for balancing EMI and passive component size. Verify that the 600 mV minimum output meets your lowest load voltage needs. Ensure the -40°C to +85°C industrial temperature range fits your operational environment.
Part Context
This component belongs to the ADP1828 series of high-performance switching controllers. It is part of Analog Devices' portfolio for power management integrated circuits (PMIC). The device is specifically engineered for robust DC-DC conversion in demanding environments, offering reliability for critical infrastructure applications requiring precise voltage regulation.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices official documentation for direct pin-compatible or functionally equivalent alternatives.
