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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.5A 6DFN
- 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：1.5A
- Frequency - Switching：1.5MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 80°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-WDFN Exposed Pad
- Supplier Device Package：6-DFN (3x3)
- Grade：-
- Qualification：-
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Overview
The AUR9718AUGD is a high-efficiency synchronous step-down DC-DC converter manufactured by Diodes Incorporated. It operates with an input voltage range of 2.7V to 5.5V and delivers up to 1.5A output current. The device features an internal switching frequency of 1.5MHz, enabling the use of compact external components. It provides an adjustable output voltage starting from 0.8V. The component is housed in a compact 6-pin WDFN package with an exposed pad for thermal management.
Feature Summary
- Synchronous rectification architecture for improved power efficiency
- Integrated soft start and thermal shutdown protection
- Compact surface-mount packaging suitable for space-constrained designs
Applications
- Portable electronic devices requiring efficient power conversion
- Battery-powered systems utilizing low-voltage inputs
- Embedded applications needing stable regulated voltage rails
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific revision markings on the package. Ensure storage conditions meet moisture sensitivity level requirements prior to assembly. Cross-reference datasheet specifications against current design constraints to validate compatibility.
Selection Notes
Select this component when a compact solution is required for low-to-medium current applications. The 1.5MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Verify that the load current does not exceed the 1.5A limit. Ensure the input voltage remains within the specified 2.7V to 5.5V range for proper operation.
Part Context
This part belongs to the AUR9718 series of buck converters from Diodes Incorporated. It shares architectural similarities with other members like the AUR9718BGD but differs in output current capacity and package type. The series is designed for general-purpose power management in portable electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative components based on pin compatibility, electrical specifications, and package dimensions if replacement is necessary.
