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AOZ2152EQI-28
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Product Detailed Parameters
- Description：IC REG BUCK ADJ 5A 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：5A
- 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-28 is a synchronous buck switching regulator IC from the EZBuck series, manufactured by Alpha & Omega Semiconductor Inc. It features an adjustable output voltage range from 0.8V to 23.8V with a maximum continuous output current of 5A. The device operates within an input voltage window of 6.5V to 28V and supports a fixed switching frequency of 1MHz. Packaged in a compact 18-PowerWFQFN (18-QFN 3x3) surface-mount housing, it is rated for operation across an ambient temperature range of -40°C to 85°C.
Feature Summary
- Integrates high-side and low-side power MOSFETs for efficient synchronous rectification
- Utilizes EZBuck constant on-time control architecture for stable transient response
- Includes comprehensive protection mechanisms against overcurrent, overtemperature, and undervoltage lockout
Applications
- Point-of-load regulation for industrial equipment
- Power distribution systems in consumer electronics
- Embedded computing platforms requiring isolated DC-DC conversion
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS3 compliance and REACH status prior to integration. Check for obsolete status indicators as the part may be restricted for new designs. Ensure packaging specifications match production requirements.
Selection Notes
Select this component when a compact solution is required for 5A load applications with input voltages up to 28V. The 1MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Evaluate thermal performance based on the specific PCB copper area available for the 18-QFN package.
Part Context
This regulator belongs to the EZBuck family, designed for cost-effective and space-constrained power management solutions. It serves as a drop-in replacement for various legacy buck converters requiring similar electrical characteristics but offers improved efficiency through integrated synchronous rectification.
Replacement Considerations
Consult official substitution lists for compatible parts with matching pinouts and electrical ratings. Verify that alternative devices support the same 28V maximum input voltage and 5A output current capability.
