Document 737 For ON Semiconductor NCP1607 and NCP1608 PFC Controllers PFC Boost Inductor • Designed to operate in 100 Watt applications. • Referenced as LBOOST in application notes AND8353/D and AND8396/D. • Auxiliary winding provides zero current detection (ZCD) information and can also supply power to the chipset. • 1000 Vrms winding to winding isolation Core material Ferrite Terminations RoHS compliant tin-silver over tin over copper over copper-steel Weight 45.6 g Ambient temperature –40°C to +85°C with Irms current, +85°C to +125°C with derated current Storage temperature Component: –40°C to +85°C. Packaging: –40°C to +80°C 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 120 parts per tray PCB washing Only pure water or alcohol recommended Part number Inductance1 ±10% (µH) Inductance at Ipk min (µH) Ipk (A) JA4224-AL 400 380 4.0 DCR max (Ohms)2 pri (1– 7) aux (6 –12) 0.29 1. Inductance measured at 100 kHz, 0.1 V, 0 Adc using an Agilent/ HP 4284A impedance analyzer or equivalent. 2. DCR measured on Cambridge Technology micro-ohmmeter. 3. Leakage inductance is for the primary and measured with pins 6 and 12 shorted. 4. Current that causes a 40ºC temperature rise from 25°C ambient. 5. Electrical specifications at 25°C. Leakage inductance3 max (µH) Turns ratio pri : aux 115 10 : 1 0.38 Irms (A)4 20°C rise 40°C rise 1.7 Dot indicates pin 1 2.8 1 Pri 7 6 Aux 12 1.44 max 36,6 Irms Derating 120 110 90 0.142 3,60 80 0.031 ∅ 0,80 0.689 17,5 Recommended PC Board Layout 70 6 60 7 1 50 40 0.197 5,0 1.24 max 31,5 30 25°C Percent of rated Irms 100 20 10 1 0 -40 -20 0 20 40 60 80 100 120 140 12 0.92 max 23,4 Ambient temperature (°C) Dimensions are in 0.689 17,5 inches mm Specifications subject to change without notice. Please check our website for latest information. © Coilcraft, Inc. 2009 0.060 ∅ 1,50 Document 737 Revised 04/22/09