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NCL30051 Datasheet(PDF) 6 Page - ON Semiconductor |
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NCL30051 Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 16 page NCL30051 www.onsemi.com 6 Table 4. ELECTRICAL CHARACTERISTICS (VHV = open, VPFB = 2.4 V, VPCS = 0 V, VPZCD = 5 V, VPControl = open, VCC = 15 V, VPDRV = open, VHDRVlo = open, VHVS = 0 V, VHDRVhi = open, VHBoost = 15 V, COSC = 2200 pF, CVREF = 0.1 mF, CPCT = 1000 pF, for typical values TJ = 25°C, for min/max values, TJ is −40°C to 125°C, unless otherwise noted) Characteristics Conditions Symbol Min Typ Max Unit PFC CURRENT SENSE Current Sense Threshold Voltage VPCS(ILIM) 0.78 0.84 0.92 V Current Sense Input Bias Current VPCS = 2 V IPCS −1 0 1 mA Leading Edge Blanking Duration tPCS(LEB) 40 110 200 ns Propagation Delay VPCS = VPCS(ILIM) + 1 V tPCS(delay) – 90 250 ns PFC ZERO CURRENT DETECTION ZCD Threshold Voltage Arming Threshold Trigger Threshold VPZCD increasing VPZCD decreasing VZCD(high) VZCD(low) 1.9 1.3 2.1 1.5 2.3 1.7 V ZCD Voltage Hysteresis VZCD(HYS) 400 600 800 mV ZCD Input Bias Current VPZCD = 1 V VPZCD = 5 V IPZCD(bias1) IPZCD(bias2) −1 −1 – – 1 1 mA PFC MAXIMUM OFF TIME Maximum Off Time tPFC(off) 50 180 350 ms PFC ON TIME RAMP GENERATOR ON time Capacitor Charge Current VPCT = 0 V IPCT(C) 220 270 300 mA On Time Capacitor Discharge Time VPCT = 2.4 V to 0.6 V tPCT(D) – 70 300 ns ON Time Capacitor Peak Voltage VPCT(peak) 2.6 3.0 3.4 V Minimum Duty Ratio VPFB = 3.0 V, VPZCD = 0 V DPMIN 0 – – % Maximum On Time Detect Delay VPCT = VPCT(peak) + 1 V tPCT(delay) – 250 375 ns Voltage Delta between PControl Voltage Needed to Generate PDRV Pulses and VEA(OL) DVEA − VPCT(peak) VPCT(offset) 250 400 550 mV PFC OVERVOLTAGE and UNDERVOLTAGE Overvoltage Detector Threshold Voltage Midpoint between high and low threshold, VPControl = 4 V VPOVP 1.03* VPREF 1.05* VPREF 1.07* VPREF V Overvoltage Comparator Hysteresis Win- dow VPControl = 4V VPOVP(HYS) 5 30 60 mV Propagation Delay VPFB = VPREF + 1 V tPOVP(delay) – 400 800 ns Undervoltage Detector Threshold Voltage VPFB increasing VPFB decreasing VPUVP(high) VPUVP(low) − 175 290 230 350 − mV Undervoltage Comparator Hysteresis VPFB increasing VPUVP(HYS) 20 60 100 mV PFC DRIVER PFC Driver Rise Time 10% to 90% (Note 4) tPDRV(rise) − 18 − ns PFC Driver Fall Time 90% to 10% (Note 4) tPDRV(fall) − 9 − ns PFC Driver High State Voltage IPDRV = −8 mA VPDRV(OH) 14.00 14.55 − V PFC Driver Low State Voltage IPDRV = 8 mA VPDRV(OL) − 0.12 0.50 V 4. Resistor/capacitor parallel combination (39 pF || 20 k W) between PDRV and driver supply and between PDRV and GND pins. |
Similar Part No. - NCL30051_17 |
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Similar Description - NCL30051_17 |
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