ML4841 データシートの表示（PDF） - Micro Linear Corporation
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ML4841 Datasheet PDF : 15 Pages
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ML4841
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
CONDITIONS
OVP COMPARATOR
Threshold Voltage
Hysteresis
PFC ILIMIT COMPARATOR
Threshold Voltage
∆(PFC ILIMIT VTH - Gain Modulator Output)
Delay to Output
DC ILIMIT COMPARATOR
Threshold Voltage
Input Bias Current
Delay to Output
VIN OK COMPARATOR
Threshold Voltage
Hysteresis
GAIN MODULATOR
Gain (Note 3)
Bandwidth
IAC = 100µA, VRMS = VFB = 0V
IAC = 50µA, VRMS = 1.2V, VFB = 0V
IAC = 50µA, VRMS = 1.8V, VFB = 0V
IAC = 100µA, VRMS = 3.3V, VFB = 0V
IAC = 100µA
Output Voltage
OSCILLATOR
IAC = 250µA, VRMS = 1.15V,
VFB = 0V
Initial Accuracy
Voltage Stability
Temperature Stability
TA = 25ºC
VCCZ - 3V < VCC < VCCZ - 0.5V
Total Variation
Line, Temp
Ramp Valley to Peak Voltage
Dead Time
PFC Only
CT Discharge Current
REFERENCE
VRAMP 2 = 0V, VRAMP 1 = 2.5V
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
TA = 25ºC, I(VREF) = 1mA
VCCZ - 3V < VCC < VCCZ - 0.5V
1mA < I(VREF) < 20mA
Total Variation
Line, Load, Temp
Long Term Stability
TJ = 125ºC, 1000 Hours
MIN
2.6
70
-0.8
100
0.9
2.4
0.8
0.35
1.15
0.52
0.14
0.74
188
182
260
4.5
7.4
7.25
TYP
2.7
95
-1.0
190
150
1.0
±0.3
150
2.5
1.0
0.50
1.65
0.74
0.20
10
0.82
200
1
2
2.5
400
7.5
7.5
2
2
0.4
5
MAX UNITS
2.8
V
125
mV
-1.15
V
mV
300
ns
1.1
V
±1
µA
300
ns
2.6
V
1.2
V
0.65
2.15
0.96
0.26
MHz
0.90
V
212
kHz
%
%
218
kHz
V
ns
9.5
mA
7.6
V
10
mV
15
mV
%
7.65
V
25
mV
4
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