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AOZ1017AI
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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3A 8SOIC
- 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)：4.5V
- Voltage - Input (Max)：16V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：16V
- Current - Output：3A
- Frequency - Switching：500kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The AOZ1017AI is a step-down switching regulator IC from the EZBuck series by Alpha & Omega Semiconductor. It provides an adjustable output voltage ranging from 0.8V to 16V with a maximum continuous output current of 3A. The device operates with an input voltage range of 4.5V to 16V and features a fixed switching frequency of 500kHz. It utilizes an 8-DFN (4x5) package with an exposed pad for thermal dissipation and supports operation temperatures from -40°C to 85°C.
Feature Summary
- Integrated synchronous buck converter topology for high efficiency
- Adjustable output voltage via external resistor divider
- Fixed 500kHz switching frequency for compact passive design
- Built-in protection mechanisms including thermal shutdown
Applications
- Point-of-load regulation for embedded systems
- Power supply stages in industrial equipment
- Battery-powered portable devices requiring efficient conversion
- Communication infrastructure power distribution
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot codes and date codes against current inventory records. Ensure packaging integrity matches specified reel or tube standards. Check for RoHS compliance documentation if required by project specifications. Validate part markings against official datasheet images to prevent counterfeit substitution.
Selection Notes
Select this component when a 3A output current capability is required within a 4.5V to 16V input range. The 500kHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the 8-DFN package constraints for PCB layout and thermal management requirements. Ensure the application does not require synchronous rectification beyond the internal integrated FETs.
Part Context
This part belongs to the EZBuck family of non-synchronous buck regulators designed for cost-sensitive and space-constrained applications. It complements higher-current variants like the AOZ1014DI and lower-current options within the same product line. The series targets general-purpose DC-DC conversion needs across consumer, industrial, and computing sectors.
Replacement Considerations
Direct pin-compatible substitutes may include other 3A buck regulators from the same manufacturer series. Verify electrical parameters such as output current, input voltage range, and switching frequency before substitution. Package dimensions and thermal characteristics must match the existing footprint.
