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Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
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Description
- The highly integrated FAN4800AU parts are specially designed for power supplies that consist of boost PFC and PWM. They require very few external components to achieve versatile protections and compensation. They are available in 16-pin DIP and SOP packages.The PWM can be used in current or Voltage Mode. In Voltage Mode, feed-forward from the PFC output bus can reduce secondary output ripple. To evaluate FAN4800AU for replacing existing FAN4800A, FAN4800AS, old version FAN4800 and ML4800 boards, six things must be completed before the fine-tuning procedure: resistor from the old value to a higher resistor value: 6 MΩ to 8 MΩ. 2.Change RT/CT pin from the existing values to R3.The VRMS pin needs to be 1.224V at V for universal input application with line input from 85 V4.Change ISENSE pin filter from the exiting values to R=0.01 µF for higher bandwidth. must be ~4.5 V and ripple on V6.For the SS pin, the soft-start current has been reduced to half the FAN4800 capacitor.
- Features
- ---
- |
- Pin-to-Pin Compatible with ML4800, FAN4800, CM6800, and CM6800A
- PWM Configurable for Current-Mode or Feed-Forward Voltage-Mode Operation
- Internally Synchronized Leading-Edge PFC and Trailing-Edge PWM in One IC
- Low Operating Current
- Innovative Switching-Charge Multiplier Divider
- Average-Current-Mode for Input-Current Shaping
- PFC Over-Voltage and Under-Voltage Protections
- PFC Feedback Open-Loop Protection
- Cycle-by-Cycle Current Limiting for PFC/PWM
- Power-on Sequence Control and Soft-Start
- Line Sagging Protection
- fRTCT=4 x fPFC=4 x fPWM
FAN4800AUM Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 16 Pin |
| Case/Package | SOIC-16 |
| Frequency | 64 kHz |
| Number of Outputs | 1 Output |
| Number of Positions | 16 Position |
| Power Dissipation | 800 mW |
| Switching Frequency | 240kHz ~ 268kHz |
| Duty Cycle | 97 % |
| Operating Temperature (Max) | 105 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 11V ~ 22V |
| Supply Voltage (Max) | 30 V |
| Show | |
| Size-Length | 10 mm |
| Size-Width | 4 mm |
| Size-Height | 1.75 mm |
| Operating Temperature | -40℃ ~ 105℃ |
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| ECCN Code | EAR99 |
Order guide
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- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
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