ML4826 데이터 시트보기 (PDF) - Micro Linear Corporation
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ML4826 Datasheet PDF : 16 Pages
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ML4826
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
OVP COMPARATOR
Threshold Voltage
Hysteresis
PFC ILIMIT COMPARATOR
Threshold Voltage
∆(PFC ILIMIT - 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
Output Voltage
OSCILLATOR
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
Ramp Valley to Peak Voltage
Dead Time
CT Discharge Current
RAMP 1 Discharge Current
REFERENCE
Output Voltage
Line Regulation
Load Regulation
Total Variation
Long Term Stability
CONDITIONS
MIN
2.6
80
–0.8
100
0.9
2.4
0.8
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
IAC = 250µA, VRMS = 1.15V,
VFB = 0V
0.36
1.20
0.55
0.14
0.72
TA = 25°C
180
VCCZ – 3V < VCC < VCCZ – 0.5V
Line, Temp
170
PFC Only
-1 Suffix 125
-2 Suffix 250
VRAMP 1 = 0V, V(RTCT) = 2.5V
4.5
TA = 25°C, I(VREF) = 1mA
VCCZ – 3V < VCC < VCCZ – 0.5V
1mA < I(VREF) < 20mA
Line, Load, Temp
TJ = 125°C, 1000 Hours
7.4
7.25
TYP
MAX UNITS
2.7
2.8
V
115
150
mV
–1.0 –1.15
V
190
mV
150
300
ns
1.0
1.1
V
±0.3
±1
µA
150
300
ns
2.5
2.6
V
1.0
1.2
V
0.55
0.66
1.80
2.24
0.80
1.01
0.20
0.26
10
MHz
0.82
0.95
V
190
200
kHz
1
%
2
%
210
kHz
2.5
V
310
ns
500
ns
7.5
9.5
mA
5
mA
7.5
7.6
V
2
10
mV
7
20
mV
7.65
V
5
25
mV
4
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