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Product Detailed Parameters
- Description：POWER FACTOR CONTROLLER W/POST R
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Mode：Average Current
- Frequency - Switching：64kHz
- Voltage - Supply：11V ~ 22V
- Operating Temperature：-40°C ~ 105°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Current - Startup：30 µA
- Grade：-
- Qualification：-
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Overview
The FAN4802MY is a Power Factor Correction (PFC) controller with an integrated post regulator, manufactured by Fairchild Semiconductor. It operates in average current mode at a switching frequency of 64 kHz. The device is housed in a 16-SOIC package and supports a supply voltage range of 11V to 22V. It features a low start-up current of 30 µA and functions within an operating temperature range of -40°C to 105°C.
Feature Summary
- Integrates PFC control with a post regulator for versatile protection and compensation using minimal external components.
- Operates in average current mode to maintain high power factor and stable output regulation.
- Designed for low power consumption with reduced operating currents compared to previous generations.
Applications
- Power supplies utilizing boost PFC and PWM topologies
- Systems requiring efficient power factor correction
- Applications needing integrated protection and compensation
Procurement Notes
Verify the component status as Not Recommended for New Designs before finalizing designs. Confirm the specific package variant matches the required 16-SOIC form factor. Ensure compatibility with the specified 11V to 22V supply voltage range. Check for RoHS compliance requirements against project specifications. Validate that the 64 kHz switching frequency aligns with system thermal and EMI constraints.
Selection Notes
Select this component for designs requiring average current mode PFC control with an integrated post regulator. Consider its low start-up current for applications prioritizing standby efficiency. Evaluate the 16-SOIC package suitability for the target PCB layout. Verify that the operating temperature range meets environmental demands. Assess the need for its specific protection features against alternative controllers.
Part Context
The FAN4802MY belongs to the FAN4800 series of highly integrated PFC/PWM controllers. This family is designed for power supplies consisting of boost PFC and PWM stages. It offers improved performance over earlier models like the ML4800, including lower operating currents and enhanced protection features such as UVLO and soft-start capabilities.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult official manufacturer resources for potential cross-references or updated alternatives.
