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AOZ1282CI-1
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Product Detailed Parameters
- Description：IC REG BUCK ADJ 600MA SOT23-6
- 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)：4.5V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：31.32V
- Current - Output：600mA
- Frequency - Switching：1MHz
- 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-1 is a simple buck (step-down) regulator IC from the EZBuck series by Alpha & Omega Semiconductor. It provides an adjustable output voltage ranging from 0.8V to 36V with a maximum continuous output current of 600mA. The device operates from an input voltage range of 4.5V to 36V and integrates a fixed switching frequency of 450kHz. Packaged in a compact SOT-23-6 surface-mount configuration, it supports positive output configurations and is designed for applications requiring efficient DC-DC conversion within a small footprint.
Feature Summary
- Integrates a high-side NMOS switch for simplified external component requirements
- Supports analog dimming control via the EN pin for LED driver applications
- Includes internal soft-start functionality to limit inrush current during startup
- Features thermal shutdown protection to safeguard against overheating
Applications
- LED backlight drivers
- Portable consumer electronics power supplies
- General-purpose step-down voltage regulation
- Battery-powered devices requiring efficient power management
Procurement Notes
Verify the specific suffix -1 against official datasheets to confirm pinout and electrical characteristics match your design requirements. Confirm availability status as product lifecycles may change. Ensure compatibility with your PCB layout constraints regarding the SOT-23-6 package dimensions and thermal performance needs.
Selection Notes
Select this component when a low-cost, single-inductor buck solution is needed for currents up to 600mA. It is suitable for designs prioritizing minimal external component count over ultra-high efficiency or programmable frequency adjustment. Compare against higher-current variants if load demands exceed 600mA.
Part Context
This part belongs to the EZBuck family of simple buck regulators, which are characterized by their ease of use and minimal external circuitry. The AOZ1282 series offers various current ratings, with the CI-1 variant specifically tailored for 600mA applications. It complements other AOS power management solutions for comprehensive system power architectures.
Replacement Considerations
Check for direct pin-to-pin replacements within the same EZBuck family, such as the AOZ1282CI-2, ensuring functional equivalence. Verify that any substitute maintains the same input/output voltage ranges and current capabilities.
