DA2077-AL

Document 518 Flyback Transformer ForONSemiconductor NCP1027 The DA2077-AL flyback transformer has been specifically developed for use with ON Semiconductor’s NCP1027 Standby Power Supply for ATX Applications and is specified in Application Note AND8241/D. This transformer is designed for universal input, 85 – 265 Vac. It operates in continuous conduction mode within an input voltage range of 120 Vdc to 375 Vdc and at a 65 kHz switching frequency. Primary to secondary isolation is 2000 Vrms tested for one minute. Coilcraft can also custom engineer a transformer to meet your specific requirements. For free evaluation samples, contact Coilcraft or visit www.coilcraft.com. Part number Indaut c0taAn1c e DCR ma x (Ohm s)  inLdeuacktaangcee2 ±10% (mH) pri sec aux max (µH)  Turns ratio pri : sec  pri : aux Output DA2077-AL 3.4 2.53 0.042 0.574 114 1 : 0.06 1 : 0.15 5 V, 2 A (sec) 12.5 V, 10 mA (aux) 1. Inductance is for ...