ML4824 データシートの表示（PDF） - Micro Linear Corporation
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ML4824 Datasheet PDF : 16 Pages
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ML4824
ELECTRICAL CHARACTERISTICS (Continued)
SMBOL
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 = 25°C
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 = 25°C, I(VREF) = 1mA
VCCZ - 3V < VCC < VCCZ - 0.5V
1mA < I(VREF) < 20mA
Total Variation
Line, Load, Temp
Long Term Stability
TJ = 125°C, 1000 Hours
MIN
2.6
80
–0.8
100
0.97
2.4
0.8
0.36
1.20
0.55
0.14
0.74
71
68
270
4.5
7.4
7.35
TYP
MAX UNITS
2.7
2.8
V
115
150
mV
–1.0 –1.15
V
190
mV
150
300
ns
1.02
1.07
V
±0.3
±1
µA
150
300
ns
2.5
2.6
V
1.0
1.2
V
0.55
1.80
0.80
0.20
10
0.82
0.66
2.24
1.01
0.26
0.90
MHz
V
76
81
kHz
1
%
2
%
84
kHz
2.5
V
370
470
ns
7.5
9.5
mA
7.5
7.6
V
2
10
mV
2
15
mV
0.4
%
7.65
V
5
25
mV
4
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