Document 900 Planar Transformer For TI UCC2897A Active Clamp PWM Controller • Developed for Texas Instruments PMP4804 and PMP5997 Demo Board/Reference Design • Designed as active clamp in forward topology • Auxiliary winding provides current to the chipset • Input voltage range: 36 – 75 V Core material Ferrite Terminations RoHS matte tin over nickel over brass. Other terminations available at additional cost. Weight 11.6 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 200 per 13″ reel Plastic tape: 44 mm wide, 0.37 mm thick, 32 mm pocket spacing, 9.35 mm pocket depth PCB washing Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf OutputOutput Primary Leakage Pri/sec Part Output voltage current inductance2 inductance3 DCR max4 Turns ratio Isolation 1 number power (W) nom (V) (Adc) min (µH) max (µH) (mOhms) pri : sec1 : sec2 : aux(Vdc) JA4309-AL_ 100 3.3 30 67.5 0.35 pri:20.0 6 : 1 : 1 : 41500 sec: 0.5 aux: 160 1. When ordering, please specify a packaging code: 2. Inductance measured on an Agilent/HP 4284 between pins 2 and 4 at 200 kHz, 0.1 Vrms, 0 Adc. 3.Leakage inductance measured between pins 2 and 4 at 100 kHz, 0.1 Vrms, 0 Adc with all secondary pins shorted. 4. DCR for the secondary is for each winding. 5. Electrical specifications at 25°C. JA4309-ALD Packaging:D=13″ machine ready reel. EIA-481 embossed plastic tape (200 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. Dot indicates pin 1 4 5 JA4309-AL 0.810 max 3 20,57 XXXXY 1 2 0.920 max 23,37 10 0.080 2,03 0.800 20,32 9 1 2 7 3 4 5 6 0.095 2,41 Parts manufactured prior to December 2011 may be marked differently. 0.125 3,18 2 6 10 Primary 3 9 Sec1 7 7 6 Recommended Land Pattern 0.125 3,18 0.110 2,79 4 1 Aux 9 Sec2 10 5 0.360 max 9,14 0.006 /0,15 inches Dimensions are in mm [email protected] subject to change without notice. US +1-847-639-6400 Please check our website for latest information. 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 900 Revised 12/16/11 © 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.