GA0007-AL COILCRAFT | Alldatasheet
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© Coilcraft, Inc. 2009 Specifications subject to change without notice. Please check our website for latest information. Flyback Transformer Document 605 Document 605 Revised 04/26/07 For ON Semiconductor NCP1351 Controller 1. Inductance is for the primary, measured at 45 kHz, 0.8 Vrms, 0 Adc. 2. Ipk is the peak current drawn at minimum input voltage. 3. Leakage inductance measured on the primary winding with all secondary pins shorted. 4. Ambient operating temperature range –40°C to +85°C. 5. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. Part L at 0 A 1 L at Ipk2 DCR max (Ohms) Leakage L3 Turns ratio Ipk2 number ±10% (µH) min (µH) pri sec1 sec2 aux max (µH) pri : sec1 : sec2 : aux (A) Secondary windings to be connected in series on the PC board. Pri Aux 16 V, 0.75 A Gnd 32 V, 1.0 A Sec2 Sec1 0.935 23,75 0.900 22,86 0.800 20,42 0.800 20,42 0.150 ±0.01 3,81 ±0,25 1.170 29,72 max max max 0.023 0,584sq 0.100 2,54 0.500 12,70 0.150 3,81 (6)(4)Dot indicates pin 1 0.044 1,10 (14) Recommended Board Layout 6 7 14 14 Core material Ferrite Terminations RoHS tin-silver over tin over phos bronze. Other terminations available at additional cost. Weight 23.5 g Ambient temperature –40°C to +85°C Storage temperature Component: –40°C to +85°C. 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 64 parts per tray PCB washing Only pure water or alcohol recommended Dual-output flyback transformer for ON Semiconductor’s NCP1351 Variable Off Time PWM Controller. 32 V, 1.0 A and 16 V, 0.75 A Outputs. Output of the auxiliary winding is 16 V. Operates in a discontinuousmode with a universal input 3000 Vrms primary to secondary isolation.