Document 1139 Flyback Transformer For Texas Instruments TPS23753A PoE controller • Flyback transformer for 10 W PoE applications • Developed to work with TI TPS23753A PoE controller (PMP8896 and PMP9175 Reference Design) • 1500 Vrms isolation from primary and bias to secondary and sync Core material Ferrite Terminations RoHS tin-silver (96.5/3.5) over tin over nickel over phos bronze. Weight 6.2 g Ambient temperature –40°C to +85°C Storage temperature Component: –40°C to +85°C. Tape and reel packaging: –40°C to +80°C Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging 175 per 13″ reel Plastic tape: 32 mm wide, 0.5 mm thick, 28 mm pocket spacing, 12.93 mm pocket depth PCB washing Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787_PCB_Washing.pdf. 4 Leakage DCR max (Ohms) inductance Turns ratio6 Part L at 0A2 L at Ipk3 1 number ±10% (µH) min (µH) pri sec bias sync max (µH)5pri : sec pri : bias pri : sync NA6223-AL_ 180 162 0.330 0.0135 0.230 0.190 1. When ordering, please specify packaging code: NA6223-ALD Packaging:D=13″ machine-ready reel. EIA-481 embossed plastic tape (175 parts per full reel). B=Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter D instead. 2. Inductance is for the primary, measured at 1 kHz, 0.5 Vrms, 0 Adc. 0.512 13,00 XXXX Y 0.530 max 13,46 1 NA6223-AL 5 Dot indicates pin 1 Internal code 1.20 1 : 0.1671 : 0.3611 : 0.167 W1B Pri 0.080 2,03 5 Sync W5 7 Sec W1A 10 1 3 1 0.590 14,99 6 2 0.050 1,27 Recommended Land Pattern 0.098 2,50 5.0 V, 2.0 A 3. Peak primary current (1.1 A) drawn at minimum input voltage. 4. DCR for the primary is from pin 1 to pin 2. 5. Leakage inductance measured between pins 1 and 2 with all other windings shorted. 6. Turns ratio is with the primary windings connected in series. 7. Output is between pins 7 and 10. Bias winding output is 10 V, 20 mA. Sync winding output is a 5 V Sync FET gate drive signal. 8. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. 0.028 6 0,70 10 Output7 0.098 2,50 Bias W3 4 0.500 max 12,70 0.039 1,00 0.004 /0,10 0.699 max 17,75 Dimensions are in inches mm US +1-847-639-6400 [email protected] UK +44-1236-730595 [email protected] Taiwan +886-2-2264 3646 [email protected] China +86-21-6218 8074 [email protected] Singapore + 65-6484 8412 [email protected] Document 1139 Revised 08/08/13 © Coilcraft Inc. 2016 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information.