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RT8209MGQW
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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 14WQFN
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：4.5V ~ 5.5V
- Frequency - Switching：-
- Duty Cycle (Max)：-
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable, On Time Control, Phase Control, Power Good
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：14-PowerWFQFN
- Supplier Device Package：14-WQFN (3.5x3.5)
- Grade：-
- Qualification：-
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Overview
The RT8209MGQW is a single synchronous buck controller from Richtek USA Inc., housed in a 14-WQFN (3.5x3.5) package. It provides high efficiency, excellent transient response, and high DC output accuracy. The device features current limit, enable, on-time control, phase control, and power good functions. It is classified as a DC-DC switching controller with a transistor driver output type.
Feature Summary
- Provides high efficiency and excellent transient response for stable power delivery
- Integrates comprehensive control features including current limit, enable, and power good indication
- Utilizes on-time control architecture to ensure consistent performance across varying input voltages
Applications
- Point-of-load regulation in embedded systems
- Power supply stages for communication equipment
- Industrial control system voltage regulation
Procurement Notes
Verify component authenticity through authorized distributors or the manufacturer directly. Confirm RoHS compliance status and lifecycle stage, as availability may vary. Ensure the specific WQFN-14 package variant matches your PCB footprint requirements before finalizing orders.
Selection Notes
Select this controller for applications requiring a compact solution with integrated protection features. Consider the 14-WQFN package size for space-constrained designs. Evaluate thermal management needs based on the expected load current and ambient operating conditions.
Part Context
This component belongs to Richtek's family of PWM controllers designed for synchronous buck topologies. It is part of the broader PMIC category, specifically targeting efficient step-down conversion. The RT8209 series is engineered for applications demanding precise voltage regulation and robust dynamic performance.
Replacement Considerations
Check for direct pin-compatible alternatives within the same product family. Verify that any substitute maintains the required 14-WQFN package dimensions and electrical specifications. Consult official substitution guides for confirmed compatible parts.
