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RT8899AGQW
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Product Detailed Parameters
- Description：IC PWM CTLR DUAL 52WQFN
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR)
- Output Type：PWM
- Function：-
- Output Configuration：-
- Topology：-
- Number of Outputs：2
- Output Phases：3
- Voltage - Supply (Vcc/Vdd)：5V
- Frequency - Switching：300kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：52-QFN
- Supplier Device Package：52-QFN (6x6)
- Grade：-
- Qualification：-
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Overview
The RT8899AGQW is a dual-phase synchronous buck converter controller manufactured by Richtek USA Inc. It operates within an input voltage range suitable for standard power rails and delivers regulated output voltages via two independent phases. The device utilizes Pulse Width Modulation (PWM) control to manage high-efficiency power conversion. It is housed in a compact 52-WQFN (6x6 mm) package, designed for surface mount technology applications requiring minimal board space.
Feature Summary
- Dual-phase architecture for enhanced current handling and thermal distribution
- Integrated PWM control logic for precise voltage regulation
- Compact 52-pin WQFN package optimized for dense PCB layouts
Applications
- High-density server power supply modules
- Graphics processing unit (GPU) core voltage regulation
- Central processing unit (CPU) power delivery systems
Procurement Notes
Verify the specific suffix and tape-and-reel specifications against the official Richtek datasheet before ordering. Confirm that the 52-WQFN footprint matches your design constraints. Ensure compliance with RoHS standards as indicated in the manufacturer's documentation. Cross-reference the part number with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when dual-phase efficiency and thermal management are critical. The 52-WQFN package suits designs with strict spatial limitations. Evaluate the switching frequency requirements against external inductor capabilities. Ensure the control loop compensation network aligns with the internal error amplifier characteristics specified in the technical data.
Part Context
This IC belongs to Richtek's series of high-performance DC-DC switching controllers. It targets applications demanding high current density and fast transient response. The dual-phase design allows for interleaved operation, reducing input and output ripple currents compared to single-phase alternatives.
Replacement Considerations
Check for pin-compatible alternatives within the same product family. Verify that substitute parts support the required phase count and package dimensions. Ensure electrical parameters such as operating temperature range and control interface remain compatible with the existing system design.
