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NCP1345

High-Voltage Quasi-Resonant Flyback Controller With USB-PD Optimization

TheNCP1345isahighlyintegratedquasi?resonantflyback controllersuitablefordesigninghigh?performanceoff?lineUSB?PD andUSBType?Cpowerconverters.Theincludeddual?pinVCC architectureallowsdirectconnectiontotheauxwindingforsimplified VCCmanagementwithareducedpartsco

NCP1345

High-Voltage Quasi-Resonant Flyback Controller With USB-PD Optimization

TheNCP1345isahighlyintegratedquasi?resonantflyback controllersuitablefordesigninghigh?performanceoff?lineUSB?PD andUSBType?Cpowerconverters.Theincludeddual?pinVCC architectureallowsdirectconnectiontotheauxwindingforsimplified VCCmanagementwithareducedpartsco

NCP1345

Highly integrated quasi-resonant flyback controller for off-line USB-PD and USB Type-C power converters.; ? 150-V Wide Range Vcc Architecture\n? Reduces external part counts\n? Auto-Tuning Skip\n? Adjusts skip entry based on VOUT\n? Rapid Frequency Foldback\n? Improved Light Load Efficiency\n? Constant Output Current Limiting\n? Meet LPS(Limited Power Source) requirements in PPS\n? SR Spike Reduction Circuitry (Adaptive Gate Drive)\n? Enables Lower Voltage Rated SR FETs\n? Improved Frequency Jittering\n? Softer EMI Signature\n? 350 KHz high frequency QR\n? Enable smaller magnetic designs\n? Internal 700 V Startup w X2 discharge\n? Improve standby power\n;

The NCP1345 is a highly integrated quasi-resonant flyback controller suitable for designing high-performance off-line USB-PD and USB Type-C power converters. The included dual-pin VCC architecture allows direct connection to the aux winding for simplified VCC management with a reduced parts count and increased performance.The NCP1345 also features a precise, primary side based output current limiting circuit to ensure a constant output current limit regardless of programmed output voltage, or nameplate output power.

NCP1345_V01

High-Voltage Quasi-Resonant Flyback Controller With USB-PD Optimization

TheNCP1345isahighlyintegratedquasi?resonantflyback controllersuitablefordesigninghigh?performanceoff?lineUSB?PD andUSBType?Cpowerconverters.Theincludeddual?pinVCC architectureallowsdirectconnectiontotheauxwindingforsimplified VCCmanagementwithareducedpartsco

NCP1345Q00D1R2G

絲?。?a target="_blank" title="Marking" href="/1345q00/marking.html">1345Q00；Package：SOIC-9NB；High-Voltage Quasi-Resonant Flyback Controller With USB-PD Optimization

TheNCP1345isahighlyintegratedquasi?resonantflyback controllersuitablefordesigninghigh?performanceoff?lineUSB?PD andUSBType?Cpowerconverters.Theincludeddual?pinVCC architectureallowsdirectconnectiontotheauxwindingforsimplified VCCmanagementwithareducedpartsco

NCP1345Q00D1R2G

絲?。?a target="_blank" title="Marking" href="/1345q00/marking.html">1345Q00；Package：SOIC-9NB；High-Voltage Quasi-Resonant Flyback Controller With USB-PD Optimization

TheNCP1345isahighlyintegratedquasi?resonantflyback controllersuitablefordesigninghigh?performanceoff?lineUSB?PD andUSBType?Cpowerconverters.Theincludeddual?pinVCC architectureallowsdirectconnectiontotheauxwindingforsimplified VCCmanagementwithareducedpartsco

NCP1345Q01D1R2G

絲?。?a target="_blank" title="Marking" href="/1345q01/marking.html">1345Q01；Package：SOIC-9NB；High-Voltage Quasi-Resonant Flyback Controller With USB-PD Optimization

TheNCP1345isahighlyintegratedquasi?resonantflyback controllersuitablefordesigninghigh?performanceoff?lineUSB?PD andUSBType?Cpowerconverters.Theincludeddual?pinVCC architectureallowsdirectconnectiontotheauxwindingforsimplified VCCmanagementwithareducedpartsco

NCP1345Q01D1R2G

絲印：1345Q01；Package：SOIC-9NB；High-Voltage Quasi-Resonant Flyback Controller With USB-PD Optimization

TheNCP1345isahighlyintegratedquasi?resonantflyback controllersuitablefordesigninghigh?performanceoff?lineUSB?PD andUSBType?Cpowerconverters.Theincludeddual?pinVCC architectureallowsdirectconnectiontotheauxwindingforsimplified VCCmanagementwithareducedpartsco

NCP1345Q02D1R2G

絲?。?a target="_blank" title="Marking" href="/1345q02/marking.html">1345Q02；Package：SOIC-9NB；High-Voltage Quasi-Resonant Flyback Controller With USB-PD Optimization

TheNCP1345isahighlyintegratedquasi?resonantflyback controllersuitablefordesigninghigh?performanceoff?lineUSB?PD andUSBType?Cpowerconverters.Theincludeddual?pinVCC architectureallowsdirectconnectiontotheauxwindingforsimplified VCCmanagementwithareducedpartsco