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AOZ2152EQI-31
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Product Detailed Parameters
- Description：IC REG BUCK ADJ 6A 18QFN
- Series：EZBuck™
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：6.5V
- Voltage - Input (Max)：28V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：23.8V
- Current - Output：6A
- Frequency - Switching：1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：18-PowerWFQFN
- Supplier Device Package：18-QFN (3x3)
- Grade：-
- Qualification：-
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Overview
The AOZ2152EQI-31 is a synchronous buck converter from the EZBuck™ series by Alpha & Omega Semiconductor. It integrates high-side and low-side N-channel MOSFETs with a control circuit in an 18-QFN package. The device supports an input voltage range of 6.5V to 28V, delivering up to 5A output current. The adjustable output voltage ranges from 0.8V to 23.8V. Operating at a fixed switching frequency of 1MHz, it offers efficient power conversion for space-constrained applications.
Feature Summary
- Integrates synchronous rectification with internal high-side and low-side FETs to minimize external component count.
- Features EZBuck™ architecture for simplified design and flexible output voltage adjustment.
- Includes protection mechanisms such as over-current protection and thermal shutdown.
Applications
- Point-of-load (POL) regulation for industrial equipment
- Power supply stages for consumer electronics
- Embedded systems requiring compact DC-DC conversion
Procurement Notes
Verify the specific suffix '31' against official Alpha & Omega Semiconductor documentation, as standard listings often reference '28'. Confirm RoHS compliance status and moisture sensitivity level (MSL 3) requirements for your assembly process. Ensure the 18-QFN footprint matches your PCB layout guidelines. Check for obsolescence notices as some variants may be marked not recommended for new designs.
Selection Notes
Select this component when a 5A synchronous buck solution is required within a 28V input limit. The 1MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the 18-QFN package size constraints and thermal dissipation capabilities. Verify that the adjustable output range meets the specific voltage requirements of the target load circuit.
Part Context
This part belongs to the EZBuck™ family of DC-DC step-down converters. These devices are designed to balance flexibility and ease of use by integrating controllers with power FETs. The series typically covers input voltages from 2V to 36V and output currents up to 30A, providing a scalable platform for various power management needs across different industries.
Replacement Considerations
Check for direct pin-to-pin replacements within the AOZ2152 series or other AOS synchronous buck regulators with similar 5A current ratings and 18-QFN packaging. Verify compatibility of switching frequency and output voltage ranges before substitution.
