— IC芯片 | 连接器 | 传感器 | 被动器件 —
Product Detailed Parameters
- Description:IC REG CTRLR DDR 1OUT 20LWQFN
- Series:-
- Mfr:Richtek USA Inc.
- Package:Tape & Reel (TR),Cut Tape (CT)
- Applications:Controller, DDR
- Voltage - Input:4.5V ~ 26V
- Number of Outputs:1
- Voltage - Output:Multiple
- Operating Temperature:-40°C ~ 85°C (TA)
- Mounting Type:Surface Mount
- Package / Case:20-WFQFN Exposed Pad
- Supplier Device Package:20-WQFN (3x3)
- Grade:-
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Overview
The RT8231AGQW is a DDR memory power supply controller manufactured by Richtek USA Inc. It operates with an input voltage range of 4.5V to 26V and provides one adjustable output. The device supports a switching frequency of 400 kHz and delivers up to 1.5 A of output current. It functions in a Buck topology and is housed in a 20-WQFN (3x3) package. The component is rated for operation between -40°C and +85°C, complies with RoHS3 standards, and holds a Moisture Sensitivity Level of 3.
Feature Summary
- Integrated control logic specifically designed for complete DDR memory power supply architectures
- Supports synchronous buck conversion topology for efficient step-down regulation
- Includes built-in protection mechanisms such as over-current limiting and enable control
Applications
- DDR memory power supply systems
- Server and cloud computing platforms
- High-performance computing equipment
Procurement Notes
Verify the specific suffix against official documentation to confirm pinout and functional variations. Ensure compatibility with the target PCB footprint, specifically the 20-WQFN package dimensions. Confirm moisture sensitivity handling requirements during assembly. Cross-reference the manufacturer part number with authorized distributors to ensure authenticity and traceability.
Selection Notes
Select this component when designing power stages for DDR memory applications requiring a single adjustable output. Consider the 400 kHz switching frequency for balancing efficiency and passive component size. Evaluate the 1.5 A current capability against the memory load requirements. Verify that the 4.5V to 26V input range matches the system's available power rails.
Part Context
This part belongs to the RT8231 family of DDR controllers from Richtek. Variants within the family may differ in output count or specific electrical characteristics. The AGQW designation indicates a specific package and temperature grade configuration within the broader product line intended for server-grade memory solutions.
Replacement Considerations
Consult official cross-reference documents for direct substitutes. Generic replacements may not match the specific DDR control algorithms or pin configurations required for validated server memory designs.
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