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Product Detailed Parameters
- Description：IC REG BUCK ADJ 2A 10TDFN
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.7V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：4.95V
- Current - Output：2A
- Frequency - Switching：1.5MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 80°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-WFDFN Exposed Pad
- Supplier Device Package：10-TDFN (3x3)
- Grade：-
- Qualification：-
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Overview
The AUR9721AGD is a synchronous step-down DC-DC converter manufactured by Diodes Incorporated. It integrates high-side and low-side power MOSFETs to deliver a continuous output current of 2A. The device operates with a fixed switching frequency of 1.5MHz, enabling the use of compact external components. It supports an input voltage range up to 5.5V and provides adjustable output voltages. The unit is housed in a 10-DFN (3x3) package and is rated for operation within a temperature range of -40°C to 80°C.
Feature Summary
- Integrates synchronous rectification for improved efficiency
- Fixed high-frequency switching reduces passive component size
- Compact surface-mount packaging facilitates dense layouts
Applications
- Battery-powered portable electronics
- Consumer devices requiring efficient voltage regulation
- Embedded systems with limited space constraints
Procurement Notes
Verify the specific suffix 'AGD' against the manufacturer's official datasheet to confirm pinout compatibility and thermal characteristics. Ensure that the 10-DFN footprint matches your PCB design guidelines. Confirm RoHS compliance status through the latest documentation provided by Diodes Incorporated before finalizing procurement specifications.
Selection Notes
Select this component when a compact solution for stepping down 5V sources is required. The 1.5MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Verify that the load current does not exceed the 2A limit and that the input voltage remains within the specified maximum range for reliable operation.
Part Context
This part belongs to the family of switching voltage regulators produced by Diodes Incorporated. These devices are designed for power management applications where space and efficiency are critical. The AUR9721AGD specifically addresses needs for stable voltage conversion in small form-factor electronic assemblies.
Replacement Considerations
Consult official substitution guides from Diodes Incorporated for verified equivalents. Cross-reference pinouts and electrical parameters carefully to ensure functional compatibility without redesigning the surrounding circuitry.
