Datasheet FL7740 (ON Semiconductor) - 2
| Manufacturer | ON Semiconductor |
| Description | Constant-Voltage Primary-Side-Regulation PWM Controller for Power Factor Correction |
| Pages / Page | 15 / 2 — FL7740. BLOCK DIAGRAM. VOUT.MAIN. Secondary. DC−DC. Converter. Dimming. … |
| File Format / Size | PDF / 422 Kb |
| Document Language | English |
FL7740. BLOCK DIAGRAM. VOUT.MAIN. Secondary. DC−DC. Converter. Dimming. Signal. VDD. OUT.BIAS. GND. Control. GATE. COMV. Module. BIAS. 0−10, DALI,
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Text Version of Document
FL7740 BLOCK DIAGRAM VOUT.MAIN V Secondary AC DC−DC Converter Dimming FL7740 Signal V VDD HV OUT.BIAS Dimming GND NC Control GATE COMV Module CS BIAS 0−10, DALI, Wireless, etc. VS PF Figure 1. Application Schematic Dynamic control GND VDYN−REF1,2,3 HV GM amp. VREF V NC VS EAV JFET S/H VDD COMV Gain control at startup Digital Duty Control Driver GATE BIAS 5V regulator VIN.PK Protection CS VOUT open/short protection PF Digital PF RCS open/short protection VDD optimizer Over current protection Over load protection EAV V Thermal shutdown C DYN−REF PF detector control Shutdown Figure 2. Simplified Block Diagram www.onsemi.com 2