ML4805
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OVP COMPARATOR
Threshold Voltage
2.65
175
2.75
250
2.85
325
V
Hysteresis
mV
PFC ILIMIT COMPARATOR
Threshold Voltage
-0.9
120
-1.0
220
150
-1.1
300
V
mV
ns
∆PFC ILIMIT Threshold - Gain Modulator Output
Delay to Output
DC ILIMIT COMPARATOR
Threshold Voltage
Input Bias Current
Delay to Output
1.4
1.5
±0.3
150
1.6
±1
V
µA
ns
300
VIN OK COMPARATOR
Threshold Voltage
Hysteresis
2.4
0.8
2.5
1.0
2.6
1.2
V
V
GAINMODULATOR
Gain (Note 3)
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
0.65
1.90
0.90
0.20
0.85
2.20
1.05
0.30
10
1.05
2.40
1.25
0.40
Bandwidth
MHz
V
Output Voltage
IAC = 350µA, VRMS = 1V,
VFB = 0V
0.65
188
0.75
0.85
212
OSCILLATOR
Initial Accuracy
TA = 25ºC
200
1
kHz
%
Voltage Stability
11V < VCC < 16.5V
Temperature Stability
Total Variation
2
%
Line, Temp
182
218
kHz
V
Ramp Valley to Peak Voltage
PFC Dead Time
2.5
470
5.5
350
3.5
600
7.5
ns
CT Discharge Current
VRAMP 2 = 0V, VRAMP 1 = 2.5V
mA
4
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
