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Product Detailed Parameters
- Description：FLYBACK STR SECONDARY SIDE CONVE
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Flyback
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：3V ~ 21.5V
- Frequency - Switching：145kHz
- Duty Cycle (Max)：87%
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：I2C
- Control Features：-
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：38-PowerTFQFN
- Supplier Device Package：38-QFN-EP (6x6)
- Grade：-
- Qualification：-
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Overview
The AOZ7648QI-06 is a flyback switching controller from Alpha & Omega Semiconductor designed for precise secondary-side control in AC/DC conversion applications. It features a positive output configuration with a single output phase and supports I²C interface for system supervision. The device operates within a supply voltage range of 3V to 21.5V. As a flyback regulator, it functions as a step-up or step-down DC-DC converter, integrating control logic to manage power conversion efficiency and stability in isolated power supply designs.
Feature Summary
- Implements precise secondary-side control architecture for enhanced AC/DC conversion accuracy
- Integrates I²C communication interface enabling direct supervision by system microcontrollers or PMICs
- Supports flyback topology for versatile positive output step-up and step-down voltage regulation
Applications
- Isolated AC/DC power supply modules requiring secondary-side feedback
- Flyback-based DC-DC converters managed via digital interfaces
- Systems utilizing MCU or PMIC for dynamic converter configuration and monitoring
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status and check for recent product change notices (PCN) regarding manufacturing updates. Ensure the specific suffix matches the required pinout and electrical characteristics for your design implementation.
Selection Notes
Select this controller when secondary-side precision is critical for output regulation. The I²C interface is suitable for systems requiring digital monitoring and configuration. Verify that the flyback topology aligns with the target power level and isolation requirements of the application design.
Part Context
This component belongs to the AOZ series of power management integrated circuits from Alpha & Omega Semiconductor. It is categorized as a DC-DC switching controller specifically optimized for flyback topologies. The part integrates control logic with digital interface capabilities to support modern power supply architectures.
Replacement Considerations
Check for compatible flyback controllers with similar I²C interfaces and secondary-side control features. Verify voltage supply ranges and package compatibility before substitution.
