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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1A DL UDFN303012
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：2
- Voltage - Input (Min)：2.5V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1V
- Voltage - Output (Max)：3.3V
- Current - Output：1A
- Frequency - Switching：1.5MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 80°C (TA)
- Mounting Type：Surface Mount
- Package / Case：12-UFDFN Exposed Pad
- Supplier Device Package：U-DFN3030-12
- Grade：-
- Qualification：-
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Overview
The AUR9706AGD is a high-efficiency step-down DC-DC voltage converter manufactured by Diodes Incorporated. It utilizes a constant frequency, peak-current mode architecture with built-in synchronous power MOSFETs and internal compensators to minimize external component requirements. The device features an internal switching frequency of 1.5MHz, enabling the use of small surface-mount inductors and capacitors suitable for portable applications. It automatically transitions between normal PWM mode and LDO mode to optimize system power efficiency across varying load conditions. Key protection features include Soft Start (SS), Under Voltage Lock Out (UVLO), and Thermal Shutdown Detection (TSD).
Feature Summary
- High-efficiency buck power converter with automatic mode transition between PWM and LDO.
- Built-in synchronous power MOSFETs and internal compensators reduce external part count.
- Internal 1.5MHz oscillator allows for compact passive component selection.
- Integrated protection mechanisms including Soft Start, UVLO, and Thermal Shutdown.
Applications
- Portable electronic devices requiring efficient power management.
- Battery-powered systems optimizing for wide loading condition ranges.
- Applications necessitating reduced external component counts for space-constrained designs.
Procurement Notes
Verify the specific output voltage range and package availability directly with Diodes Incorporated or authorized distributors, as the AUR9706AGD may be subject to end-of-life status or limited supply. Confirm RoHS compliance details and ensure the selected variant matches the required input voltage specifications before procurement. Cross-reference datasheet revisions to confirm current manufacturing status.
Selection Notes
Select this component when designing systems that require a compact, high-efficiency step-down solution with minimal external components. The internal compensation and fixed 1.5MHz frequency simplify layout and reduce bill of materials. Ensure the application load profile benefits from the automatic transition between PWM and LDO modes for optimal efficiency at both light and heavy loads.
Part Context
The AUR9706AGD belongs to the AUR97xx series of switching regulators from Diodes Incorporated. This family focuses on providing integrated solutions for portable electronics by combining power switches and control logic in small packages. Similar parts in the series, such as the AUR9705 and AUR9719, offer variations in current ratings and pin configurations while maintaining the core architectural benefits of internal compensation and high-frequency operation.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Evaluate alternatives based on matching topology, current rating, and package dimensions if substitution is necessary.
