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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 24QSOP
- 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)：3.7V ~ 5.5V
- Frequency - Switching：310kHz, 570kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Enable, Frequency Control, Margining, Power Good, Soft Start, Tracking
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：24-QSOP
- Grade：-
- Qualification：-
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Overview
The ADP1822ARQZ-R7 is a synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with a switching frequency of 310 kHz to 570 kHz and supports clock synchronization. The device features an enable pin, frequency control, and margining capabilities. It utilizes a 24-pin QSOP package for surface-mount installation.
Feature Summary
- Synchronous rectification architecture for improved efficiency
- Integrated clock synchronization capability
- Supports output voltage margining functions
Applications
- Point-of-load regulation in computing systems
- Industrial power distribution networks
- Telecommunications equipment power supplies
Procurement Notes
Verify the specific manufacturer datasheet for the ADP1822ARQZ-R7 to confirm current availability status and lead times. Ensure that the 24-pin QSOP package matches your PCB footprint requirements. Cross-reference the electrical specifications against your system's input voltage and load current demands before finalizing procurement orders.
Selection Notes
Select this component when a high-current buck controller with precise output regulation is required. The integrated synchronous rectifiers reduce external component count. Consider the 310 kHz to 570 kHz frequency range for balancing size and efficiency. Verify compatibility with downstream loads requiring margining support.
Part Context
This part belongs to the Analog Devices DC/DC controller family, designed for efficient power management. It serves as a key component in converting higher bus voltages to lower logic levels. The QSOP-24 package allows for compact integration into dense electronic assemblies.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official Analog Devices resources for direct replacements or pin-compatible alternatives.
