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NCP81278 Datasheet(PDF) 8 Page - ON Semiconductor |
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NCP81278 Datasheet(HTML) 8 Page - ON Semiconductor |
8 / 13 page NCP81278 www.onsemi.com 8 ELECTRICAL CHARACTERISTICS (VIN = 12 V, VPVCC = 5 V, VREFIN = 1.0 V, VPSI = 1.8 V, typical values are referenced to TA = TJ = 25°C, Min and Max values are referenced to TA = TJ = −40°C to 100°C. unless other noted.) Characteristics Units Max Typ Min Symbol Test Conditions PWM−VID BUFFER Buffer Output Fall Time Tf 3 ns Propagation Delay Tpd = TpHL =TpLH Tpd 8 ns INTERNAL HIGH−SIDE GATE DRIVE Pull−High Drive ON Resistance VBST – VPH = 5 V, IHG = 50 mA (source) RDRV_HH − 2.5 − W Pull−Low Drive ON Resistance VBST – VPH = 5 V, IHG = 50 mA (sink) RDRV_HL − 1.0 − W HG Propagation Delay Time From LG off to HG on TpdHG 27 ns INTERNAL LOW−SIDE GATE DRIVE Pull−High Drive ON Resistance VPVCC – VGND = 5 V, ILG = 50 mA (source) RDRV_LH − 1.5 − W Pull−Low Drive ON Resistance VPVCC – VGND = 5 V, ILG = 50 mA (sink) RDRV_LL − 0.6 − W LG Propagation Delay Time From HG off to LG on TpdLG 26 ns BOOTSTRAP On Resistance of Rectifier Switch VPVCC = 5 V, Id = 2 mA, TA = 25°C RBST 30 54 75 W Rectifier Switch Leakage Current VPVCC = 5 V, EN = 0 V IlkgBST − − 3 mA 8. Guaranteed by design, not tested in production. 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. |
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