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AOZ1267QI-01_2
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Product Detailed Parameters
- Description：IC REG BUCK ADJ 8A 23QFNB
- Series：EZBuck™
- Mfr：Alpha & Omega Semiconductor Inc.
- 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)：28V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：23.8V
- Current - Output：8A
- Frequency - Switching：200kHz ~ 1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：23-PowerTFQFN
- Supplier Device Package：23-QFNB (4x4)
- Grade：-
- Qualification：-
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Overview
The AOZ1267QI-01 is a synchronous step-down DC-DC regulator from the EZBuck series by Alpha & Omega Semiconductor. It integrates high-side and low-side power MOSFETs with a control circuit to deliver an output current of 8A. The device supports an input voltage range up to 28V and features adjustable output voltage capability. Designed for surface-mount installation, it utilizes a compact package suitable for space-constrained applications requiring efficient power conversion.
Feature Summary
- Integrates synchronous rectification for improved efficiency
- Supports wide input voltage ranges for versatile supply compatibility
- Features adjustable output voltage configuration
Applications
- Point-of-load regulation in computing systems
- Power distribution networks in industrial equipment
- Telecommunications infrastructure power supplies
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific tape-and-reel packaging requirements prior to ordering. Ensure design-in approval aligns with current manufacturing recommendations as product availability may vary.
Selection Notes
Evaluate thermal performance requirements against the specified operating temperature range. Verify that the required output current does not exceed the 8A continuous limit under worst-case conditions. Check compatibility with external compensation components if adjusting switching frequency or transient response characteristics.
Part Context
This component belongs to the EZBuck family of synchronous buck regulators offered by Alpha & Omega Semiconductor. The series targets applications demanding high efficiency and compact form factors. The AOZ1267 variant specifically addresses mid-range current needs within the 28V input domain.
Replacement Considerations
Check datasheets for compatible alternatives such as AOZ1233 or AOZ1237 which share similar 28V/8A specifications. Verify pinout compatibility and electrical parameter alignment before substitution.
