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Updated at 12/02/2026 10:30:15(UTC+8)
Certifications
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Description
- The FL77904 is a direct AC line LED driver with a minimal number of external RC passive components. In normal configuration, one resistor adjusts LED current for desired system luminance and another bypass capacitor provides a stable voltage to an internal biasing shunt regulator.The FL77904 provides phase-cut dimming with wide dimming range, smooth dimming control and good dimmer compatibility. Optimized levels of each LED strings’ current regulation achieve over 0.98 high PF and less than 20% low THD which makes the FL77904 suitable for high-efficiency LED lighting systems. The FL77904 can be also used with a simple rheostat dimmer switches which are suitable for desktop or indoor lamps.Flicker index is significantly improved by using proprietary self valley fill technique without degrading PF and THD. The cost effective solution brings low line ripple light quality with system compactness.Operation of FL77904 admits driving higher-wattage systems, such as street lights and down lights, by simply parallel connecting the driver ICs.
- Features
- ---
- |
- The simplest Direct AC LED Driver with Only Two External RC Passive Components
- Wide AC Input Range: 90~305 VAC
- Four Integrated High-Voltage LED Constant Current Sinks of up to 75 mA RMS Input Current Capability
- High Power Factor (above 0.98 in normal configuration) Low Harmonic Content (THD under 20% in normal configuration)
- Low Flicker Index by Self Valley Fill with No Degradation of PF and THD
- Adjustable LED Power with an External Current Sense Resistor
- TRIAC Dimmable (Leading/Trailing Edge)
- Rheostat Dimmable Flexible LED Forward Voltage Configuration
- Power Scalability with Multiple Driver ICs
- Over-Temperature Protection (OTP)
- Compact SOIC 8-Lead Package
FL77904MX Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Case/Package | SOIC-8 |
| Number of Outputs | 4 Output |
| Output Voltage | 18 V |
| Number of Channels | 4 Channel |
| Input Voltage (AC Max) | 305 v |
| Input Voltage (AC Min) | 90 v |
| Output Voltage (Max) | 18 V |
| Output Voltage (Min) | 16 V |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Show | |
| Operating Temperature | -40℃ ~ 125℃ (TJ) |
| 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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- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - 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
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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