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AOZ1267QI-3
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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)：24V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：20.4V
- 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-3 is a synchronous buck switching regulator IC manufactured by Alpha & Omega Semiconductor Inc. It features an adjustable output voltage range starting from 0.8V and supports a maximum output current of 8A. The device is housed in a 23-PowerTFQFN package, designed for surface-mount installation. This component functions as a positive adjustable DC-DC converter, integrating control logic and power MOSFETs into a compact form factor suitable for high-density power applications.
Feature Summary
- Integrates synchronous rectification for improved efficiency
- Supports adjustable output voltage regulation
- Utilizes compact PowerTFQFN packaging for space-constrained designs
Applications
- Point-of-load (POL) conversion modules
- Embedded system power distribution networks
- Industrial equipment power supplies
Procurement Notes
Verify the specific suffix designation to ensure compatibility with required input voltage ranges and fixed versus adjustable output configurations. Confirm package integrity and moisture sensitivity level handling procedures during assembly. Cross-reference manufacturer documentation for latest design-in guidelines and thermal performance data before finalizing procurement specifications.
Selection Notes
Select this component when an 8A synchronous buck solution is required within a small footprint. Ensure the application demands an adjustable output voltage starting at 0.8V. Verify that the input voltage supply falls within the operational limits defined in the official datasheet. Consider thermal management requirements associated with the PowerTFQFN package under full load conditions.
Part Context
This part belongs to the EZBuck series of integrated power stages from Alpha & Omega Semiconductor. The series focuses on simplifying power supply design by combining controller and power switches. The AOZ1267QI-3 variant specifically targets applications requiring moderate current capability with flexible output voltage settings in a compact QFN form factor.
Replacement Considerations
Consult official manufacturer substitution lists for direct equivalents. Verify pinout compatibility and electrical parameter alignment before replacing existing components in established designs.
