Example: barber

Power Stage Topology Power Topologies Quick …

Power Topologies Quick reference Power Stage Topology reference GuideMarkus Zehendner, Matthias 14/1/16 3:06 2016 Texas Instruments Power TopologiesVQ1 = 2 VinNsNpVD1 = 2 Vin - VfD =(Vout + Vf)NsNpVin 12 Push-PullDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp1 PrimaryCurrentNs2 SecondaryCurrentInductor L1 CurrentD =Vout + VfNsNpVin 12 NpNsVQ1 = Vin + 2 (Vout + Vf)VD1 = 2 (Vout + Vf)WeinbergDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp Primary CurrentNs Secondary CurrentNp1 Primary CurrentNs1 SecondaryCurrentD = Vout_priVinVQ1 = VinVD1 = Vout_sec + (Vin-Vout_pri) NsNpVD1 = Vout + Vin VQ1 = Vin + (Vout + Vf) NsNpNpNsNpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) NpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) VD1 = Vout + Vin NsNpVin + (Vout + Vf) NpNsVQ1 = 2 Fly - Buck FlybackTwo Switch FlybackDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentD1 DiodeVoltageD1 DiodeCurrentNp PrimaryCurrentNs SecondaryCurrentHalf - BridgeFull - BridgePhase Shifted Full - BridgeDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentNp PrimaryCurrentNs SecondaryCurrent & Diode D1 CurrentDiode D1 VoltageInductor L1 CurrentD =Vout + VfNsNpVin VQ1 = VinNsNpVD1 = Vin - Vf12D = Vout + VfNsNpVin VQ1 = VinNsNpVD1 = 2 Vin - VfD = Vout + VfLp + LshNsNpVin LpVQ1 = Vin(Transformer)(Transformer) Lp + LsNsNpVD1 =2

Power Topologies Quick Reference Guide ti.com/TIpowertopologies Power Stage Topology Reference Guide Markus Zehendner, Matthias Ulmann Powermanagement_cover2.indd 1 4/1/16 3:06 PM

Tags:

  Guide, Reference, Power, Quick, Topologies, Power topologies quick reference guide ti

Information

Domain:

Source:

Link to this page:

Please notify us if you found a problem with this document:

Other abuse

Transcription of Power Stage Topology Power Topologies Quick …

1 Power Topologies Quick reference Power Stage Topology reference GuideMarkus Zehendner, Matthias 14/1/16 3:06 2016 Texas Instruments Power TopologiesVQ1 = 2 VinNsNpVD1 = 2 Vin - VfD =(Vout + Vf)NsNpVin 12 Push-PullDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp1 PrimaryCurrentNs2 SecondaryCurrentInductor L1 CurrentD =Vout + VfNsNpVin 12 NpNsVQ1 = Vin + 2 (Vout + Vf)VD1 = 2 (Vout + Vf)WeinbergDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp Primary CurrentNs Secondary CurrentNp1 Primary CurrentNs1 SecondaryCurrentD = Vout_priVinVQ1 = VinVD1 = Vout_sec + (Vin-Vout_pri) NsNpVD1 = Vout + Vin VQ1 = Vin + (Vout + Vf) NsNpNpNsNpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) NpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) VD1 = Vout + Vin NsNpVin + (Vout + Vf) NpNsVQ1 = 2 Fly - Buck FlybackTwo Switch FlybackDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentD1 DiodeVoltageD1 DiodeCurrentNp PrimaryCurrentNs SecondaryCurrentHalf - BridgeFull - BridgePhase Shifted Full - BridgeDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentNp PrimaryCurrentNs SecondaryCurrent & Diode D1 CurrentDiode D1 VoltageInductor L1 CurrentD =Vout + VfNsNpVin VQ1 = VinNsNpVD1 = Vin - Vf12D = Vout + VfNsNpVin VQ1 = VinNsNpVD1 = 2 Vin - VfD = Vout + VfLp + LshNsNpVin LpVQ1 = Vin(Transformer)(Transformer)

2 Lp + LsNsNpVD1 =2 Vin Lp- VfD =Vout + VfVin+ VfD =VoutVinVQ1 = Vin + VfVD1 = VinVQ1 = VinVQ2 = VinD =Vout + Vf - VinVout + VfVQ1 = Vout + VfVD1 = VoutD =-Vout + Vf-Vout + Vf + VinVQ1 = Vin + Vf - VoutVD1 = Vin - VoutD =Vout + VfVout + Vf + VinVQ1 = Vin + Vout + Vf +VC1,ripple2VD1 = Vin + Vout + VC1,ripple2D =-Vout + Vf-Vout + Vf + VinVQ1 = Vin - Vout + Vf +VC1,ripple2VD1 = Vin - Vout + VC1,ripple2D =Vout + VfVout + Vf + VinVQ1 = Vin + Vout + Vf +VC1,ripple2VD1 = Vin + Vout +VC1,ripple2 BuckSynchronous BuckBoostInverting Buck - BoostSepicCukZetaDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FET VoltageQ1 FET CurrentD1 Diode / Q2 FET VoltageD1 Diode /Q2 FET CurrentL1 InductorCurrentL2 InductorCurrentNsNpNsNpD =(Vout + Vf)Vin NsNpD = (Vout + Vf)Vin NsNpD =(Vout + Vf)Vin VQ1 =VQ1 = 2 Vin + VfVQ1 = Vin + VfVD1 = Vclamp - VfNsNdVD1 = (Vin + Vf) - VfNsNpVD2 = Vin - VfActive Clamp ForwardSingle Switch ForwardTwo Switch ForwardInductor L1 CurrentNs SecondaryCurrentNpPrimaryCurrentFET Q1 CurrentFET Q1 VoltagePWMD2 DiodeVoltageD1 DiodeVoltageQ1 FETV oltageDutyCycle(1-D)VinNsNpVD2 = Vin - VfNsNpVD2 = Vin - = (Vin + 2 Vf) Ns- VfCoL1Q2Q1 NpNs1Ns2D2D1Q3Q4 CiQ1D1Np2Ns2Np1Ns1D2Q2 NpD3 NsCiCoL1 CoD2D1 CiQ2Q1Np2Ns2Np1Ns1 CoL1D2D1 NpNsQ1Q2D3D4 CiNdQ1 NpNsD2L1D1D3 CoCiQ2L1D2D1 NpNsQ1C1 CoCiQ1 NpD3Q2D4D1 NsCoCiQ1D1 NpNsCoCiNpNsQ1D1Co1Q2 CiCo2Q1C1L2D1L1 CoCiD1Q1C1L1L2 CoCiQ1D1C1 CiL1L2 CoQ1L1D1 CoCiQ1 CoL1D1 CiQ1 CoL1 CiQ2Q1 CoL1D1 CiSLYU0322 Power Topologies Quick reference Instruments Power TopologiesVQ1 = 2 VinNsNpVD1 = 2 Vin - VfD =(Vout + Vf)NsNpVin 12 Push-PullDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp1 PrimaryCurrentNs2 SecondaryCurrentInductor L1 CurrentD =Vout + VfNsNpVin 12 NpNsVQ1 = Vin + 2 (Vout + Vf)VD1 = 2 (Vout + Vf)

3 WeinbergDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp Primary CurrentNs Secondary CurrentNp1 Primary CurrentNs1 SecondaryCurrentD = Vout_priVinVQ1 = VinVD1 = Vout_sec + (Vin-Vout_pri) NsNpVD1 = Vout + Vin VQ1 = Vin + (Vout + Vf) NsNpNpNsNpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) NpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) VD1 = Vout + Vin NsNpVin + (Vout + Vf) NpNsVQ1 = 2 Fly - Buck FlybackTwo Switch FlybackDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentD1 DiodeVoltageD1 DiodeCurrentNp PrimaryCurrentNs SecondaryCurrentHalf - BridgeFull - BridgePhase Shifted Full - BridgeDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentNp PrimaryCurrentNs SecondaryCurrent & Diode D1 CurrentDiode D1 VoltageInductor L1 CurrentD =Vout + VfNsNpVin VQ1 = VinNsNpVD1 = Vin - Vf12D = Vout + VfNsNpVin VQ1 = VinNsNpVD1 = 2 Vin - VfD = Vout + VfLp + LshNsNpVin LpVQ1 = Vin(Transformer)(Transformer) Lp + LsNsNpVD1 =2 Vin Lp- VfD =Vout + VfVin+ VfD =VoutVinVQ1 = Vin + VfVD1 = VinVQ1 = VinVQ2 = VinD =Vout + Vf - VinVout + VfVQ1 = Vout + VfVD1 = VoutD =-Vout + Vf-Vout + Vf + VinVQ1 = Vin + Vf - VoutVD1 = Vin - VoutD =Vout + VfVout + Vf + VinVQ1 = Vin + Vout + Vf +VC1,ripple2VD1 = Vin + Vout + VC1,ripple2D =-Vout + Vf-Vout + Vf + VinVQ1 = Vin - Vout + Vf +VC1,ripple2VD1 = Vin - Vout + VC1,ripple2D =Vout + VfVout + Vf + VinVQ1 = Vin + Vout + Vf +VC1,ripple2VD1 = Vin + Vout +VC1,ripple2 BuckSynchronous BuckBoostInverting Buck - BoostSepicCukZetaDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FET VoltageQ1 FET CurrentD1 Diode / Q2 FET VoltageD1 Diode /Q2 FET CurrentL1 InductorCurrentL2 InductorCurrentNsNpNsNpD =(Vout + Vf)Vin NsNpD = (Vout + Vf)Vin NsNpD =(Vout + Vf)Vin VQ1 =VQ1 = 2 Vin + VfVQ1 = Vin + VfVD1 = Vclamp - VfNsNdVD1 = (Vin + Vf)

4 - VfNsNpVD2 = Vin - VfActive Clamp ForwardSingle Switch ForwardTwo Switch ForwardInductor L1 CurrentNs SecondaryCurrentNpPrimaryCurrentFET Q1 CurrentFET Q1 VoltagePWMD2 DiodeVoltageD1 DiodeVoltageQ1 FETV oltageDutyCycle(1-D)VinNsNpVD2 = Vin - VfNsNpVD2 = Vin - = (Vin + 2 Vf) Ns- Topologies Quick reference guide 3 Texas Instruments Power TopologiesVQ1 = 2 VinNsNpVD1 = 2 Vin - VfD =(Vout + Vf)NsNpVin 12 Push-PullDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp1 PrimaryCurrentNs2 SecondaryCurrentInductor L1 CurrentD =Vout + VfNsNpVin 12 NpNsVQ1 = Vin + 2 (Vout + Vf)VD1 = 2 (Vout + Vf)WeinbergDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp Primary CurrentNs Secondary CurrentNp1 Primary CurrentNs1 SecondaryCurrentD = Vout_priVinVQ1 = VinVD1 = Vout_sec + (Vin-Vout_pri) NsNpVD1 = Vout + Vin VQ1 = Vin + (Vout + Vf) NsNpNpNsNpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) NpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) VD1 = Vout + Vin NsNpVin + (Vout + Vf) NpNsVQ1 = 2 Fly - Buck FlybackTwo Switch FlybackDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentD1 DiodeVoltageD1 DiodeCurrentNp PrimaryCurrentNs SecondaryCurrentHalf - BridgeFull - BridgePhase Shifted Full - BridgeDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentNp PrimaryCurrentNs SecondaryCurrent & Diode D1 CurrentDiode D1 VoltageInductor L1 CurrentD =Vout + VfNsNpVin VQ1 = VinNsNpVD1 = Vin - Vf12D = Vout + VfNsNpVin VQ1 = VinNsNpVD1 = 2 Vin - VfD = Vout + VfLp + LshNsNpVin LpVQ1 = Vin(Transformer)(Transformer)

5 Lp + LsNsNpVD1 =2 Vin Lp- VfD =Vout + VfVin+ VfD =VoutVinVQ1 = Vin + VfVD1 = VinVQ1 = VinVQ2 = VinD =Vout + Vf - VinVout + VfVQ1 = Vout + VfVD1 = VoutD =-Vout + Vf-Vout + Vf + VinVQ1 = Vin + Vf - VoutVD1 = Vin - VoutD =Vout + VfVout + Vf + VinVQ1 = Vin + Vout + Vf +VC1,ripple2VD1 = Vin + Vout + VC1,ripple2D =-Vout + Vf-Vout + Vf + VinVQ1 = Vin - Vout + Vf +VC1,ripple2VD1 = Vin - Vout + VC1,ripple2D =Vout + VfVout + Vf + VinVQ1 = Vin + Vout + Vf +VC1,ripple2VD1 = Vin + Vout +VC1,ripple2 BuckSynchronous BuckBoostInverting Buck - BoostSepicCukZetaDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FET VoltageQ1 FET CurrentD1 Diode / Q2 FET VoltageD1 Diode /Q2 FET CurrentL1 InductorCurrentL2 InductorCurrentNsNpNsNpD =(Vout + Vf)Vin NsNpD = (Vout + Vf)Vin NsNpD =(Vout + Vf)Vin VQ1 =VQ1 = 2 Vin + VfVQ1 = Vin + VfVD1 = Vclamp - VfNsNdVD1 = (Vin + Vf) - VfNsNpVD2 = Vin - VfActive Clamp ForwardSingle Switch ForwardTwo Switch ForwardInductor L1 CurrentNs SecondaryCurrentNpPrimaryCurrentFET Q1 CurrentFET Q1 VoltagePWMD2 DiodeVoltageD1 DiodeVoltageQ1 FETV oltageDutyCycle(1-D)VinNsNpVD2 = Vin - VfNsNpVD2 = Vin - = (Vin + 2 Vf) Ns- VfCoL1Q2Q1 NpNs1Ns2D2D1Q3Q4 CiQ1D1Np2Ns2Np1Ns1D2Q2 NpD3 NsCiCoL1 CoD2D1 CiQ2Q1Np2Ns2Np1Ns1 CoL1D2D1 NpNsQ1Q2D3D4 CiNdQ1 NpNsD2L1D1D3 CoCiQ2L1D2D1 NpNsQ1C1 CoCiQ1 NpD3Q2D4D1 NsCoCiQ1D1 NpNsCoCiNpNsQ1D1Co1Q2 CiCo2Q1C1L2D1L1 CoCiD1Q1C1L1L2 CoCiQ1D1C1 CiL1L2 CoQ1L1D1 CoCiQ1 CoL1D1 CiQ1 CoL1 CiQ2Q1 CoL1D1 CiSLYU0324 Power Topologies Quick reference Instruments Power TopologiesVQ1 = 2 VinNsNpVD1 = 2 Vin - VfD =(Vout + Vf)NsNpVin 12 Push-PullDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp1 PrimaryCurrentNs2 SecondaryCurrentInductor L1 CurrentD =Vout + VfNsNpVin 12 NpNsVQ1 = Vin + 2 (Vout + Vf)VD1 = 2 (Vout + Vf)

6 WeinbergDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp Primary CurrentNs Secondary CurrentNp1 Primary CurrentNs1 SecondaryCurrentD = Vout_priVinVQ1 = VinVD1 = Vout_sec + (Vin-Vout_pri) NsNpVD1 = Vout + Vin VQ1 = Vin + (Vout + Vf) NsNpNpNsNpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) NpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) VD1 = Vout + Vin NsNpVin + (Vout + Vf) NpNsVQ1 = 2 Fly - Buck FlybackTwo Switch FlybackDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentD1 DiodeVoltageD1 DiodeCurrentNp PrimaryCurrentNs SecondaryCurrentHalf - BridgeFull - BridgePhase Shifted Full - BridgeDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentNp PrimaryCurrentNs SecondaryCurrent & Diode D1 CurrentDiode D1 VoltageInductor L1 CurrentD =Vout + VfNsNpVin VQ1 = VinNsNpVD1 = Vin - Vf12D = Vout + VfNsNpVin VQ1 = VinNsNpVD1 = 2 Vin - VfD = Vout + VfLp + LshNsNpVin LpVQ1 = Vin(Transformer)(Transformer) Lp + LsNsNpVD1 =2 Vin Lp- VfD =Vout + VfVin+ VfD =VoutVinVQ1 = Vin + VfVD1 = VinVQ1 = VinVQ2 = VinD =Vout + Vf - VinVout + VfVQ1 = Vout + VfVD1 = VoutD =-Vout + Vf-Vout + Vf + VinVQ1 = Vin + Vf - VoutVD1 = Vin - VoutD =Vout + VfVout + Vf + VinVQ1 = Vin + Vout + Vf +VC1,ripple2VD1 = Vin + Vout + VC1,ripple2D =-Vout + Vf-Vout + Vf + VinVQ1 = Vin - Vout + Vf +VC1,ripple2VD1 = Vin - Vout + VC1,ripple2D =Vout + VfVout + Vf + VinVQ1 = Vin + Vout + Vf +VC1,ripple2VD1 = Vin + Vout +VC1,ripple2 BuckSynchronous BuckBoostInverting Buck - BoostSepicCukZetaDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FET VoltageQ1 FET CurrentD1 Diode / Q2 FET VoltageD1 Diode /Q2 FET CurrentL1 InductorCurrentL2 InductorCurrentNsNpNsNpD =(Vout + Vf)Vin NsNpD = (Vout + Vf)Vin NsNpD =(Vout + Vf)Vin VQ1 =VQ1 = 2 Vin + VfVQ1 = Vin + VfVD1 = Vclamp - VfNsNdVD1 = (Vin + Vf)

7 - VfNsNpVD2 = Vin - VfActive Clamp ForwardSingle Switch ForwardTwo Switch ForwardInductor L1 CurrentNs SecondaryCurrentNpPrimaryCurrentFET Q1 CurrentFET Q1 VoltagePWMD2 DiodeVoltageD1 DiodeVoltageQ1 FETV oltageDutyCycle(1-D)VinNsNpVD2 = Vin - VfNsNpVD2 = Vin - = (Vin + 2 Vf) Ns- VfCoL1Q2Q1 NpNs1Ns2D2D1Q3Q4 CiQ1D1Np2Ns2Np1Ns1D2Q2 NpD3 NsCiCoL1 CoD2D1 CiQ2Q1Np2Ns2Np1Ns1 CoL1D2D1 NpNsQ1Q2D3D4 CiNdQ1 NpNsD2L1D1D3 CoCiQ2L1D2D1 NpNsQ1C1 CoCiQ1 NpD3Q2D4D1 NsCoCiQ1D1 NpNsCoCiNpNsQ1D1Co1Q2 CiCo2Q1C1L2D1L1 CoCiD1Q1C1L1L2 CoCiQ1D1C1 CiL1L2 CoQ1L1D1 CoCiQ1 CoL1D1 CiQ1 CoL1 CiQ2Q1 CoL1D1 CiSLYU032 Texas Instruments Power TopologiesVQ1 = 2 VinNsNpVD1 = 2 Vin - VfD =(Vout + Vf)NsNpVin 12 Push-PullDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp1 PrimaryCurrentNs2 SecondaryCurrentInductor L1 CurrentD =Vout + VfNsNpVin 12 NpNsVQ1 = Vin + 2 (Vout + Vf)VD1 = 2 (Vout + Vf)WeinbergDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp Primary CurrentNs Secondary CurrentNp1 Primary CurrentNs1 SecondaryCurrentD = Vout_priVinVQ1 = VinVD1 = Vout_sec + (Vin-Vout_pri) NsNpVD1 = Vout + Vin VQ1 = Vin + (Vout + Vf) NsNpNpNsNpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) NpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) VD1 = Vout + Vin NsNpVin + (Vout + Vf) NpNsVQ1 = 2 Fly - Buck FlybackTwo Switch FlybackDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentD1 DiodeVoltageD1 DiodeCurrentNp PrimaryCurrentNs SecondaryCurrentHalf - BridgeFull - BridgePhase Shifted Full - BridgeDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentNp PrimaryCurrentNs SecondaryCurrent & Diode D1 CurrentDiode D1 VoltageInductor L1 CurrentD =Vout + VfNsNpVin VQ1 = VinNsNpVD1 = Vin - Vf12D = Vout + VfNsNpVin VQ1 = VinNsNpVD1 = 2 Vin - VfD = Vout + VfLp + LshNsNpVin LpVQ1 = Vin(Transformer)(Transformer)

8 Lp + LsNsNpVD1 =2 Vin Lp- VfD =Vout + VfVin+ VfD =VoutVinVQ1 = Vin + VfVD1 = VinVQ1 = VinVQ2 = VinD =Vout + Vf - VinVout + VfVQ1 = Vout + VfVD1 = VoutD =-Vout + Vf-Vout + Vf + VinVQ1 = Vin + Vf - VoutVD1 = Vin - VoutD =Vout + VfVout + Vf + VinVQ1 = Vin + Vout + Vf +VC1,ripple2VD1 = Vin + Vout + VC1,ripple2D =-Vout + Vf-Vout + Vf + VinVQ1 = Vin - Vout + Vf +VC1,ripple2VD1 = Vin - Vout + VC1,ripple2D =Vout + VfVout + Vf + VinVQ1 = Vin + Vout + Vf +VC1,ripple2VD1 = Vin + Vout +VC1,ripple2 BuckSynchronous BuckBoostInverting Buck - BoostSepicCukZetaDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FET VoltageQ1 FET CurrentD1 Diode / Q2 FET VoltageD1 Diode /Q2 FET CurrentL1 InductorCurrentL2 InductorCurrentNsNpNsNpD =(Vout + Vf)Vin NsNpD = (Vout + Vf)Vin NsNpD =(Vout + Vf)Vin VQ1 =VQ1 = 2 Vin + VfVQ1 = Vin + VfVD1 = Vclamp - VfNsNdVD1 = (Vin + Vf) - VfNsNpVD2 = Vin - VfActive Clamp ForwardSingle Switch ForwardTwo Switch ForwardInductor L1 CurrentNs SecondaryCurrentNpPrimaryCurrentFET Q1 CurrentFET Q1 VoltagePWMD2 DiodeVoltageD1 DiodeVoltageQ1 FETV oltageDutyCycle(1-D)VinNsNpVD2 = Vin - VfNsNpVD2 = Vin - = (Vin + 2 Vf) Ns- Topologies Quick reference guide 5 Texas Instruments Power TopologiesVQ1 = 2 VinNsNpVD1 = 2 Vin - VfD =(Vout + Vf)NsNpVin 12 Push-PullDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp1 PrimaryCurrentNs2 SecondaryCurrentInductor L1 CurrentD =Vout + VfNsNpVin 12 NpNsVQ1 = Vin + 2 (Vout + Vf)VD1 = 2 (Vout + Vf)WeinbergDutyCycleQ1 FETV oltageD1 DiodeVoltagePWMFET Q1 VoltageFET Q1 CurrentNp Primary CurrentNs Secondary CurrentNp1 Primary CurrentNs1 SecondaryCurrentD = Vout_priVinVQ1 = VinVD1 = Vout_sec + (Vin-Vout_pri) NsNpVD1 = Vout + Vin VQ1 = Vin + (Vout + Vf) NsNpNpNsNpNsNpNsD = (Vout + Vf) Vin + (Vout + Vf) NpNsNpNsD = (Vout + Vf)

9 Vin + (Vout + Vf) VD1 = Vout + Vin NsNpVin + (Vout + Vf) NpNsVQ1 = 2 Fly - Buck FlybackTwo Switch FlybackDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentD1 DiodeVoltageD1 DiodeCurrentNp PrimaryCurrentNs SecondaryCurrentHalf - BridgeFull - BridgePhase Shifted Full - BridgeDuty CycleQ1 FETV oltageD1 DiodeVoltagePWMQ1 FETV oltageQ1 FETC urrentNp PrimaryCurrentNs SecondaryCurrent & Diode D1 CurrentDiode D1 VoltageInductor L1 CurrentD =Vout + VfNsNpVin VQ1 = VinNsNpVD1 = Vin - Vf12D = Vout + VfNsNpVin VQ1 = VinNsNpVD1 = 2 Vin - VfD = Vout + VfLp + LshNsNpVin LpVQ1 = Vin(Transformer)(Transformer) Lp + LsNsNpVD1 =2 Vin Lp- VfD =Vout + VfVin+ VfD =VoutVinVQ1 = Vin + VfVD1 = VinVQ1 = VinVQ2 = VinD =Vout + Vf - VinVout + VfVQ1 = Vout + VfVD1 = VoutD =-Vout + V


Related search queries