Document 1076 Flyback Transformer • • • • For Maxim MAX17595 Flyback Controller Mounted on Maxim MAX17595 Evaluation Kit Bias winding output: 12 V, 20 mA Universal and telecom (36 V – 72 V) input 3500 Vrms, one minute primary and bias to secondary isolation Core material Ferrite Terminations RoHS tin-silver-copper (96.5/3.0/0.5) over tin over nickel over phos bronze. Other terminations available at additional cost. Weight 21.8 g Ambient temperature –40°C to +125°C Storage temperature Component: –40°C to +125°C. Tray 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 24 parts per tray PCB washing Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf. Part number MA5475-AL Inductance at 0 Adc1 ±10% (µH) Inductance DCR max (Ohms)3 at Ipk2 min (µH) pri sec bias 180 162 0.210 0.016 Leakage Turns ratio Inductance4 max (µH) pri : sec pri : bias 0.185 1. Inductance is for the primary (pins 1 – 2), measured at 100 kHz, 0.1 Vrms. 2. Peak primary current drawn at minimum input voltage. 3. DCR for the secondary is with the windings connected in parallel. 4. Leakage inductance is for the primary winding with the secondary winding shorted. 5. Output is for the secondary. Bias winding output is 12 V, 20 mA. 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. 1 12 11 Pri Sec 2 1.10 28,0 0.108 2,75 1 7 8 6 1 : 0.20 Output5 2.0 15 V, 2 A Dot indicates pin 1 0.535 max 13,6 0.004 / 0,10 mm 1.169 29,7 1.285 max 32,65 0.079 2,0 12 1.024 26,0 0.043 1,1 7 6 Recommended Land Pattern 5 Bias 1 : 0.24 3.1 Ipk2 (A) 1.053 max 26,75 6 7 0.148 3,75 1 12 0.657 16,7 Dimensions are in 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 1076 0.148 3,75 inches mm Revised 03/10/14 © Coilcraft Inc. 2014 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.