NCL30051 データシートの表示（PDF） - ON Semiconductor
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NCL30051 Datasheet PDF : 16 Pages
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NCL30051
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
Current Sense Input Bias Current
Leading Edge Blanking Duration
Propagation Delay
PFC ZERO CURRENT DETECTION
VPCS = 2 V
VPCS = VPCS(ILIM) + 1 V
VPCS(ILIM)
IPCS
tPCS(LEB)
tPCS(delay)
0.78 0.84 0.92
V
−1
0
1
mA
40
110
200
ns
–
90
250
ns
ZCD Threshold Voltage
Arming Threshold
Trigger Threshold
ZCD Voltage Hysteresis
ZCD Input Bias Current
PFC MAXIMUM OFF TIME
VPZCD increasing
VPZCD decreasing
VPZCD = 1 V
VPZCD = 5 V
VZCD(high)
VZCD(low)
1.9
2.1
1.3
1.5
V
2.3
1.7
VZCD(HYS)
400
600
800 mV
IPZCD(bias1)
−1
–
IPZCD(bias2)
−1
–
1
mA
1
Maximum Off Time
PFC ON TIME RAMP GENERATOR
tPFC(off)
50
180
350
ms
ON time Capacitor Charge Current
On Time Capacitor Discharge Time
ON Time Capacitor Peak Voltage
Minimum Duty Ratio
Maximum On Time Detect Delay
Voltage Delta between PControl Voltage
Needed to Generate PDRV Pulses and
VEA(OL)
PFC OVERVOLTAGE and UNDERVOLTAGE
VPCT = 0 V
VPCT = 2.4 V to 0.6 V
VPFB = 3.0 V, VPZCD = 0 V
VPCT = VPCT(peak) + 1 V
DVEA − VPCT(peak)
IPCT(C)
220
270
300
mA
tPCT(D)
–
70
300
ns
VPCT(peak)
2.6
3.0
3.4
V
DPMIN
0
–
–
%
tPCT(delay)
–
250
375
ns
VPCT(offset)
250
400
550 mV
Overvoltage Detector Threshold Voltage
Overvoltage Comparator Hysteresis Win-
dow
Midpoint between high and low
threshold, VPControl = 4 V
VPControl = 4V
VPOVP
VPOVP(HYS)
1.03* 1.05* 1.07* V
VPREF VPREF VPREF
5
30
60
mV
Propagation Delay
Undervoltage Detector Threshold Voltage
Undervoltage Comparator Hysteresis
PFC DRIVER
VPFB = VPREF + 1 V
VPFB increasing
VPFB decreasing
VPFB increasing
tPOVP(delay)
–
400
800
ns
VPUVP(high)
−
290
350 mV
VPUVP(low)
175
230
−
VPUVP(HYS)
20
60
100 mV
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 kW) between PDRV and driver supply and between PDRV and GND pins.
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