NCP1339HDR2G PÅ
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NCP1339HDR2G ON
• High−voltage Current Source for Lossless Start−up Sequence
• X2 Capacitors Discharge Capability
• Power Savings Mode (PSM) for Extremely Low No−Load Power:
• Wide VCC Range from 10 V to 28 V
• Latching−off 28−V VCC Over−Voltage Protection
• Abnormal Overcurrent Fault Protection for Winding Short Circuit or
Detektering av induktormättnad
• Integrated High−Voltage Startup Circuit with Brown−Out Detection
• Fault Input for Severe Fault Conditions, NTC Compatible for OTP
• Circuit Latching Off In Severe Fault Detection (OVP or OTP)
• Internal Temperature Shutdown
• Valley Switching Operation with Valley−Lockout for Noise−Free
Operation
• Frequency Fold−back for Highest Performance in Standby Mode
• 25−kHz Clamp and Skip Mode
• Timer−Based Overload Protection (Latched or Auto−Recovery
Tillval)
• Adjustable Overpower Protection
• 4−ms Soft−Start Timer
• ZCD Blanking Time to Ignore Leakage Ringing at Turn−Off:
3 s för C-, D- och E-versioner och 0,7 s för F-, G-, H-, I- och J-versioner
• Ready for High−Density QR design (F, G, H, I and J versions)
• These Devices are Pb−Free and are RoHS Compliant
• High−voltage Current Source for Lossless Start−up Sequence
• X2 Capacitors Discharge Capability
• Power Savings Mode (PSM) for Extremely Low No−Load Power:
• Wide VCC Range from 10 V to 28 V
• Latching−off 28−V VCC Over−Voltage Protection
• Abnormal Overcurrent Fault Protection for Winding Short Circuit or
Detektering av induktormättnad
• Integrated High−Voltage Startup Circuit with Brown−Out Detection
• Fault Input for Severe Fault Conditions, NTC Compatible for OTP
• Circuit Latching Off In Severe Fault Detection (OVP or OTP)
• Internal Temperature Shutdown
• Valley Switching Operation with Valley−Lockout for Noise−Free
Operation
• Frequency Fold−back for Highest Performance in Standby Mode
• 25−kHz Clamp and Skip Mode
• Timer−Based Overload Protection (Latched or Auto−Recovery
Tillval)
• Adjustable Overpower Protection
• 4−ms Soft−Start Timer
• ZCD Blanking Time to Ignore Leakage Ringing at Turn−Off:
3 s för C-, D- och E-versioner och 0,7 s för F-, G-, H-, I- och J-versioner
• Ready for High−Density QR design (F, G, H, I and J versions)
• These Devices are Pb−Free and are RoHS Compliant
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