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AOZ1282CI#A
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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.2A SOT23-6
- 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)：36V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：36V
- Current - Output：1.2A
- Frequency - Switching：450kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Grade：-
- Qualification：-
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Overview
The AOZ1282CI#A is a synchronous buck switching regulator IC from the EZBuck series by Alpha & Omega Semiconductor. It delivers an adjustable output voltage ranging from 0.8V to 36V with a maximum continuous output current of 1.2A. The device operates from an input supply between 4.5V and 36V at a fixed switching frequency of 450kHz. Packaged in a compact SOT-23-6 surface-mount footprint, it supports positive output configuration and functions within an ambient temperature range of -40°C to 85°C.
Feature Summary
- Integrated synchronous rectification for improved efficiency
- Fixed internal switching frequency simplifies external component selection
- Adjustable output voltage via external resistor divider
- Compact SOT-23-6 package suitable for space-constrained designs
Applications
- Portable consumer electronics power management
- Industrial control system voltage regulation
- Telecommunications equipment power distribution
- Battery-powered device step-down conversion
Procurement Notes
Verify the specific suffix #A against the manufacturer datasheet to confirm pinout or electrical parameter variations compared to the standard AOZ1282CI. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Check for obsolescence notices or last-time buy dates as product lifecycle status may vary by region.
Selection Notes
Select this component when a simple, low-component-count buck solution is required for currents up to 1.2A. Ensure the input voltage range matches your source and the desired output falls within the 0.8V to 36V adjustability window. Consider thermal performance in the SOT-23-6 package if operating near maximum current limits.
Part Context
This part belongs to the EZBuck family of simple buck regulators designed for ease of implementation. It shares architectural similarities with other members like the AOZ1282DI but differs in packaging and potentially thermal characteristics. The series targets applications requiring minimal external components while maintaining stable regulation.
Replacement Considerations
Direct substitutes include AOZ1282DI (DFN package) or AOZ1282PI (SOIC package) from the same EZBuck family. Verify pin compatibility and thermal dissipation capabilities before swapping packages. Cross-reference with AOZ1282CI-1 or CI-2 variants if different current ratings are acceptable.
