NCL30000(2009) 데이터 시트보기 (PDF) - ON Semiconductor
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NCL30000 Datasheet PDF : 23 Pages
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NCL30000
Table 3. ELECTRICAL CHARACTERISTICS (Continued)
VMFP = 2.4 V, VControl = 4 V, Ct = 1 nF, VCS = 0 V, VZCD = 0 V, CDRV = 1 nF, VCC = 12 V, unless otherwise specified
(For typical values, TJ = 25°C. For min/max values, TJ = −40°C to 125°C, unless otherwise specified)
Characteristic
Test Conditions
Symbol
Min
Typ
OVERVOLTAGE AND UNDERVOLTAGE PROTECTION
Overvoltage Detect Threshold
Overvoltage Hysteresis
Overvoltage Detect Threshold
Propagation Delay
Undervoltage Detect Threshold
Undervoltage Detect Threshold
Propagation Delay
ERROR AMPLIFIER
VMFP = Increasing
VMFP = 2 V to 3 V ramp,
dV/dt = 1 V/ms
VMFP = VOVP to VDRV = 10%
VMFP = Decreasing
VMFP = 1 V to 0 V ramp,
dV/dt = 10 V/ms
VMFP = VUVP to VDRV = 10%
VOVP/VREF 105
106
VOVP(HYS)
20
60
tOVP
−
500
VUVP
tUVP
0.25
0.31
100
200
Voltage Reference
Voltage Reference Line Regulation
Error Amplifier Current Capability
Transconductance
Feedback Pin Internal Pull−Down
Resistor
TJ = 25°C
TJ = −40°C to 125°C
VCC(on) + 200 mV < VCC < 20 V
VMFP = 2.6 V
VMFP = 1.08*VREF
VMFP = 0.5 V
VMFP = 2.4 V to 2.6 V
TJ = 25°C
TJ = −40°C to 125°C
VMFP = VUVP to VREF
VREF
VREF(line)
IEA(sink)
IEA(sink)OVP
IEA(source)
gm
RMFP
2.475
2.460
−10
6
10
−110
90
70
2
2.500
2.500
−
10
20
−210
110
110
4.6
Feedback Bias Current
Control Bias Current
Maximum Control Voltage
Minimum Control Voltage to Generate
Drive Pulses
Control Voltage Range
VMFP = 2.5 V
VMFP = 0 V
IControl(pullup) = 10 mA,
VMFP = VREF
VControl = Decreasing until
VDRV is low, VCt = 0 V
VEAH – Ct(offset)
IMFP
IControl
VEAH
Ct(offset)
VEA(DIFF)
0.25
−1
5
0.37
4.5
0.54
−
5.5
0.65
4.9
Max
108
100
800
0.4
300
2.525
2.540
10
20
30
−250
120
135
10
1.25
1
6
0.88
5.3
Unit
%
mV
ns
V
ns
V
mV
mA
mS
MW
mA
mA
V
V
V
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