L6574电子镇流器控制驱动器IC及其典型应用

-15-L6574IC:L6574BCDICICVCOMOS,L6574,:BCDL6574L6574IC1.,,,,,MOSDMOS(BCD),ICL6560/6561L4981L6569/6571,L6574IC,2.L6574L6574SO16NPID16,1L6574(VCO)1L65741CPRE,tPRE,CPRE3.5V;(tSH=0.1tPRE),RPRE,5V2RPRE,fPRE,fPREfING2V3CFRPRERING,fPREfING,4RING,fING2V5OPOUT,6OPIN-7OPIN+8EN1,9EN2,,10GND11LVG,MOSFETIGBT12Vs,15.6V13N.C.14OUT,MOSFETIGBT15HVG,MOSFETIGBT16VBOOTVsDMOSMOSFET©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.-16-19995199951L6574,2L65741L6574MOS2FETIGBT600V,/450/250mA,1nF,/80/40ns,,dV/dt=50V/ns,L6574,DMOS,DMOS,MOSFETCPRE,(tPRE=kPRECPRE)tPRE,fPREtPRE,CPRE,tSH,tSH=0.1tPREtSH,fPREfING,,L6574,RINGVCO0.6VCMOS(E200ns)L65743L657410V,8V,VS15.6VEN1,L6574EN2,3.L65744L657458WTL:L6561PFCL65742L6574©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.-17-L6574IC3L65744L65743.1PFCL6561T1Q1D1C7PFCVIN=85265VAC,C7VOUT=400VDC,0.99,POUT=60W3.2AL6574VSL6561,PFC,R3R4C612,C11R16D2DZ1ICB:60kHzfPRE,RPRE=R13+R14+R5CF=C13CPRE=C14,tPRE=1.2stPRE,,L1C19,,C19tSH=0.1tPRE=120ms,tSH,31kHz(R19C13),,CVCO,,Q3R25©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.-18-1999519995(a)(b)65R14,R13R14R15(5)RING(4)R18D3,55V,D3,L6574fPRE,R25,D,MOSFETL65748(EN1)(6a),VSR26R27R25,EN1R26VS,L6574,,,,D4L65749(EN2),,64,L1C19LC(2VS)(EMI):,:075532248353237219:990505300mAMAX8860+2.5V+6.5V(+2.77V2.82V+3.3V),1.25V6.5VDSPPCMCIAPMOSFET,MAX8860120A,,10nA:,MAX(1.1mm)1Maxim:.:(10)62010598:(10)620102981MAX8860©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.