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NCP1239CD65R2G Datasheet(PDF) 7 Page - ON Semiconductor |
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NCP1239CD65R2G Datasheet(HTML) 7 Page - ON Semiconductor |
7 / 25 page NCP1239 www.onsemi.com 7 Table 4. ELECTRICAL CHARACTERISTICS (continued) (For typical values TJ = 25°C, for min/max Values TJ = −40°C to +125°C, VHV = 125 V, VCC = 11 V unless otherwise noted) Parameter Unit Max Typ Min Symbol Test Conditions FAULT INPUT (OTP/OVP) Over-Voltage Protection Threshold VFAULT Increasing VFAULT(OVP) 2.8 3.0 3.2 V Over-Temperature Protection Threshold VFAULT Decreasing VFAULT(OTP) 0.37 0.40 0.43 V NTC Biasing Current VFAULT = 0 V IOTP 39 45 51 mA Additional NTC Biasing Current during Soft-Start Only VFAULT = 0 V − During Soft-Start Only IOTP_boost 38 44 50 mA Latch Clamping Voltage IFAULT = 0 mA VFAULT(clamp)0 1.1 1.35 1.6 V Latch Clamping Voltage IFAULT = 1 mA VFAULT(clamp)1 2.2 2.7 3.2 V Blanking Time after Drive Turn Off tLATCH(blank) − 1 − ms Number of Clock Cycles before Latch Confirmation tLATCH(count) − 4 − OVER-CURRENT PROTECTION (OCP) Internal OCP Timer Duration tOCP 51 64 77 ms Auto-Recovery Timer tAUTOREC 0.85 1 1.35 s VCC OVER-VOLTAGE (VCC OVP) Latched Over Voltage Protection on VCC Pin VCC(OVP) 24.0 25.5 27.0 V Delay before OVP on VCC Confirmation tOVP(delay) − 20 − ms THERMAL SHUTDOWN (TSD) Temperature Shutdown TJ Increasing (Note 1) TSHDN 135 150 165 °C Temperature Shutdown Hysteresis TJ Decreasing (Note 1) TSHDN(hys) − 20 − °C Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. 1. Guaranteed by design 2. CS pin source current is a sum of IBIAS and IOPP, thus at VHV = 125 V is observed the IBIAS only, because IOPC is switched off. |
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