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NCP4353B Datasheet(PDF) 5 Page - ON Semiconductor |
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NCP4353B Datasheet(HTML) 5 Page - ON Semiconductor |
5 / 17 page NCP4353, NCP4354 http://onsemi.com 5 ELECTRICAL CHARACTERISTICS 0°C ≤ TJ ≤ 125°C; VCC = 15 V; unless otherwise noted. Typical values are at TJ = +25°C. Parameter Test Conditions Symbol Min Typ Max Unit Maximum Operating Input Voltage VCC 36.0 V VCC UVLO VCC rising VCCUVLO 3.3 3.5 3.7 V VCC falling 2.3 2.5 2.7 VCC UVLO Hysteresis VCCUVLOHYS 0.8 1.0 V Quiescent Current in Regulation NCP4353A ICC 101 125 mA NCP4353B 82 105 NCP4354A 118 145 NCP4354B 95 120 Quiescent Current in OFF Mode VSNS < 1.12 V ICC,OFFmode 90 110 mA VOLTAGE CONTROL LOOP OTA Transconductance Sink current only gmV 1 S Reference Voltage 2.8 V ≤ VCC ≤ 36.0 V, TJ = 25°C VREF 1.244 1.250 1.256 V 2.8 V ≤ VCC ≤ 36.0 V, TJ = 0 − 85°C 1.240 1.250 1.264 2.8 V ≤ VCC ≤ 36.0 V, TJ = 0 − 125°C 1.230 1.250 1.270 Sink Current Capability In regulation, VDRIVE or VFBC > 1.5 V ISINKV 2.5 mA In OFF mode, VDRIVE or VFBC > 1.5 V 1.2 1.5 2.0 mA Inverting Input Bias Current In regulation, VSNS = VREF IBIASV −100 100 nA In OFF mode, VSNS > 1.12 V −13 −11 −10 mA Inverting Input Bias Current Threshold In OFF mode VSNSBIASTH 1.07 1.12 1.17 V CURRENT CONTROL LOOP OTA (NCP435xA only) Transconductance Sink current only gmC 3 S Reference Voltage VREFC 60 62.5 65 mV Sink Current Capability VDRIVE or VFBC > 1.5 V ISINKC 2.5 mA Inverting Input Bias Current ISNS = VREFC IBIASC −100 100 nA MINIMUM VOLTAGE COMPARATOR (except NCP4353A) Threshold Voltage VREFM 355 377 400 mV Hysteresis Output change from logic high to logic low VMINH 40 mV OFF MODE DETECTION COMPARATOR Threshold Value 2.5 V ≤ VCC ≤ 36.0 V VOFFDETTH 10% VCC V VCC = 15 V 1.47 1.50 1.53 Hysteresis Output change from logic high to logic low VOFFDETH 40 mV LED DRIVER (NCP4354x only) Switching Frequency fSWLED 1 kHz Duty Cycle DLED 10.0 12.5 15.0 % Switch Resistance ILED = 5 mA RSW2 50 W OFF MODE CONTROL Sink Current In OFF mode, VDRIVE or VONOFF > 0.6 V IDRIVEOFF 140 160 180 mA |
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Similar Description - NCP4353B |
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