link to page 43 link to page 43 link to page 42 link to page 43 link to page 43 link to page 43 link to page 42 link to page 42 link to page 42 link to page 43 link to page 45 XDPL8218 Digital Flyback Controller IC XDP™ Digital PowerData Sheet Revision 1.0Features • Single stage flyback controller with Power Factor Correction (PFC) • Secondary Side Regulated (SSR)Constant Voltage (CV) output • Supports universal AC input (90 Vrms to 305 Vrms) and DC input • High power quality from 33% to 100% load, with AC input up to 277 Vrms • Typical Power Factor (PF) > 0.98 and Total Harmonic Distortion (THD) < 10% • High efficiency with Quasi-Resonant Mode, switching in valley 1 (QRM1) at high output power and frequency controlled Discontinuous Conduction Mode (DCM) at medium output power • Typical efficiency > 90% • Low standby power with Active Burst Mode (ABM) • Typical standby power < 100 mW (under flyback output no load condition) • Low audible noise in ABM • Input overvoltage and undervoltage (Brown-in / Brown-out) protection • Power limitation during brown-out, to better protect primary components from overheating and saturation • Output power limitation and output undervoltage protection • Output overvoltage protection and VCC overvoltage protection • Configurable parameters, e.g. brown-out power limitation slope, protection thresholds and reaction (auto- restart / latch-mode) • Supports design of Class 2 drivers • Low Bill of Materials Product validation Qualified for industrial applications according to the relevant tests of JEDEC47/20/22. Potential applications • Front-stage PFC converter of the Electronic Control Gear for LED luminaires Datasheet Please read the Important Notice and Warnings at the end of this document Revision 1.0 www.infineon.com 2018-06-06 Document Outline Features Product validation Potential applications Description Table of contents 1 Pin configuration 2 Functional block diagram 3 Functional description 3.1 Regulated mode 3.2 Configurable gate voltage rising slope at GD pin 3.3 Startup 3.4 Line synchronization 3.5 Input voltage and output voltage estimation 3.5.1 Output voltage estimation 3.5.2 Input voltage estimation 3.6 Power factor correction 3.7 Protection features 3.7.1 Primary MOSFET overcurrent protection 3.7.2 Output undervoltage protection 3.7.3 Output overvoltage protection 3.7.4 Transformer demagnetization time shortage protection 3.7.5 Minimum input voltage startup check and input undervoltage protection 3.7.6 Maximum input voltage startup check and input overvoltage protection 3.7.7 VCC undervoltage lockout 3.7.8 VCC undervoltage protection 3.7.9 VCC overvoltage protection 3.7.10 IC overtemperature protection 3.7.11 Other protections 3.7.12 Protection reactions 3.8 Debug mode 4 List of Parameters 5 Electrical Characteristics and Parameters 5.1 Package Characteristics 5.2 Absolute Maximum Ratings 5.3 Operating Conditions 5.4 DC Electrical Characteristics 6 Package Dimensions 7 References Revision History Glossary ABM CCM CRC CV DCM ECG EMI GUI IC LED OCP1 PC PF PFC QRM1 SSR THD UART USB UVLO Disclaimer