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NCP1337PG Datasheet(PDF) 6 Page - ON Semiconductor |
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NCP1337PG Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 14 page NCP1337 http://onsemi.com 6 ELECTRICAL CHARACTERISTICS (continued) (For typical values TJ = 25°C, for min/max values TJ = 0°C to +125°C, Max TJ = 150°C, VCC = 11 V, unless otherwise noted.) Characteristic Pin Symbol Min Typ Max Unit FEEDBACK SECTION FB Current under which FAULT is Detected 2 IFBopen − 40 − mA FB Current for which Internal Setpoint is 100% 2 IFB100% − 50 − mA FB Current above which DRV Pulses are Stopped 2 IFBrippleIN − 220 − mA FB Current under which DRV Pulses are Reauthorized after having reached IFBrippleIN 2 IFBrippleOUT − 205 − mA FB Current above which FB Pin Voltage is not Regulated anymore 2 IFBregMax − 500 − mA FB Pin Voltage when IFBopen < IFB < IFBregMax 2 VFB 2.8 3.0 3.2 V Duration before Entering Protection Mode after FAULT Detection − TFAULT − 80 − ms Internal Soft−Start Duration (Up to VCSLimit) − TSS − 4.0 − ms Internal Soft−Skip Duration (Up to VCSLimit) − TSSkip − 300 − ms BROWN−OUT AND LATCH SECTION Brown−Out Detection Level 1 VBO 460 500 540 mV Current Flowing out of Pin 1 when Brown−Out Comparator has Toggled 1 IBO − 10 − mA Vpin1 Threshold that Disables the Output 1 VDISABLE 2.8 3.0 3.3 V Vpin1 Threshold that Activates the Permanent Latch 1 VLATCH 4.75 5.0 5.25 V DEMAGNETIZATION DETECTION BLOCK Current Threshold for Demagnetization Detection 5 ISOXYth − 210 − mA Max Voltage on DRV Pin During OFF Time after TBLANK (when Sinking 15 mA) 5 VDRVlowMAX − − 1.5 V Min Voltage on DRV Pin During OFF Time after TBLANK (when Sourcing 15 mA) 5 VDRVlowMIN −0.6 − − V Propagation Delay from Demag Detection to Gate ON State (IGATE Slope of 500 A/s) 5 TDMG − 180 220 ns Blanking Window after Gate OFF State before Detecting Demagnetization 5 TBLANK − 5.5 − ms Timeout on Demag Signal 5 TOUT − 8.0 − ms Maximum OFF Time 5 MaxTOFF − 35 42 ms Minimum Switching Period 5 MinPeriod 6.8 7.7 8.5 ms |
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