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Product Detailed Parameters
- Description：FLYBACK PWM CONTROLLER
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Cut Tape (CT)
- Output Type：PWM Signal
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Flyback
- Number of Outputs：1
- Output Phases：-
- Voltage - Supply (Vcc/Vdd)：7.5V ~ 25V
- Frequency - Switching：65kHz
- Duty Cycle (Max)：75%
- Synchronous Rectifier：No
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.154", 3.90mm Width), 7 Leads
- Supplier Device Package：7-SO
- Grade：-
- Qualification：-
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Overview
The AOZ7503GAI is a flyback PWM controller from Alpha & Omega Semiconductor, designed for step-up/step-down DC-DC conversion with positive output configuration. It operates at frequencies up to 65kHz and supports duty cycles up to 75%. The device is housed in an AI package and functions within a temperature range of -40°C to 125°C (TA). It is classified as an active power management IC suitable for various switching regulator applications.
Feature Summary
- Integrates flyback topology for efficient step-up and step-down voltage conversion
- Supports positive output configurations for versatile power supply designs
- Operates with adjustable frequency up to 65kHz and duty cycle control up to 75%
Applications
- Flyback switching power supplies
- Isolated DC-DC converter modules
- Positive output regulation circuits
Procurement Notes
Verify the specific suffix 'GAI' against the manufacturer's official datasheet to confirm pinout and thermal characteristics. Ensure compatibility with required operating temperatures (-40°C to 125°C) and frequency limits (up to 65kHz). Cross-reference the AI package dimensions with your PCB layout requirements before finalizing procurement.
Selection Notes
Select this component when a dedicated flyback controller with integrated PWM functionality is required for isolated or non-isolated topologies. Consider the 65kHz maximum frequency and 75% duty cycle limit during design phase. Verify that the positive output configuration aligns with system ground references and load requirements.
Part Context
This part belongs to Alpha & Omega Semiconductor's power management IC portfolio, specifically targeting switching regulators. It complements other PMIC solutions by providing specialized flyback control capabilities. The AI package offers compact integration for modern power supply designs requiring high efficiency and reliable operation across wide temperature ranges.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official replacement guide or contact technical support for verified alternatives matching the AI package and flyback controller specifications.
FAQ
What is the maximum operating frequency?
The AOZ7503GAI supports operating frequencies up to 65kHz.
What is the maximum duty cycle?
The device allows for duty cycles up to 75%.
What is the operating temperature range?
The specified ambient temperature range is -40°C to 125°C.
