link to page 4 NCP4328ELECTRICAL CHARACTERISTICS −40°C ≤ TJ ≤ 125°C; VCC = 15 V; unless otherwise noted. Typical values are at TJ = +25°C. ParameterTest ConditionsSymbolMinTypMaxUnit Maximum Operating Input Voltage VCC 36.0 V VCC rising 3.3 3.5 3.7 VCC UVLO VCCUVLO V VCC falling 2.3 2.5 2.7 VCC UVLO Hysteresis VCCUVLOHYS 0.8 1.0 V NCP4328A 105 130 Quiescent Current ICC mA NCP4328B 115 140 VOLTAGE CONTROL LOOP OTA Transconductance Sink current only gmV 1 S 2.8 V ≤ VCC ≤ 36.0 V, TJ = 25°C 1.244 1.250 1.256 2.8 V ≤ V Reference Voltage CC ≤ 36.0 V, TJ = 0 − 85°C 1.240 1.250 1.264 VREF V 2.8 V ≤ VCC ≤ 36.0 V, 1.230 1.250 1.270 TJ = −40 − 125°C Sink Current Capability VFBC > 1.5 V ISINKV 2.5 mA Inverting Input Bias Current VSNS = VREF IBIASV −100 100 nA CURRENT CONTROL LOOP OTA Transconductance Sink current only gmC 3 S TJ = 25°C 61.2 62.5 63.8 Reference Voltage TJ = −20 – 85°C VREFC 60.5 62.5 64.5 mV TJ = −40 – 125°C 60.0 62.5 65.0 Sink Current Capability VFBC > 1.5 V ISINKC 2.5 mA Inverting Input Bias Current ISNS = VREFC IBIASC −100 100 nA LED DRIVER (NCP4328B Only) Switching Frequency fSWLED 1 kHz Duty Cycle (Note 3) DLED 10.0 12.5 15.0 % Switch Resistance ILED = 5 mA RSW 50 W 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. 3. Guaranteed by design. www.onsemi.com4