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NCL30051 Datasheet(PDF) 6 Page - ON Semiconductor

Part # NCL30051
Description  PFC and Half-Bridge Resonant Combo Controller
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCL30051 Datasheet(HTML) 6 Page - ON Semiconductor

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NCL30051
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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.


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