ML4801 查看數據表（PDF） - Micro Linear Corporation
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ML4801 Datasheet PDF : 14 Pages
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ML4801
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
CONDITIONS
OVP COMPARATOR
Threshold Voltage
Hysteresis
PFC ILIMIT COMPARATOR
Threshold Voltage
∆PFC ILIMIT Threshold - 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 = 1V, VFB = 0V
IAC = 50µA, VRMS = 1.8V, VFB = 0V
IAC = 100µA, VRMS = 3.3V, VFB = 0V
IAC = 100µA
Output Voltage
IAC = 350µA, VRMS = 1V,
VFB = 0V
OSCILLATOR
Initial Accuracy
Voltage Stability
Temperature Stability
TA = 25ºC
11V < VCC < 16.5V
Total Variation
Over Line and Temp
Ramp Valley to Peak Voltage
PFC Dead Time
CT Discharge Current
VRAMP 2 = 0V, VRAMP 1 = 2.5V
MIN
2.65
175
-0.9
120
1.4
2.4
0.8
0.65
1.90
0.90
0.20
0.65
188
182
350
3.5
TYP
2.75
250
-1.0
220
150
1.5
±0.3
150
2.5
1.0
0.85
2.20
1.05
0.30
10
0.75
200
1
2
2.5
470
5.5
MAX UNITS
2.85
V
325
mV
-1.1
V
mV
300
ns
1.6
V
±1
µA
300
ns
2.6
V
1.2
V
1.05
2.40
1.25
0.40
0.85
MHz
V
212
kHz
%
%
218
kHz
V
600
ns
7.5
mA
4
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