ML4801
ELECTRICAL CHARACTERISTICS
SYMBOL
OVP COMPARATOR
Threshold Voltage
Hysteresis
PFC I
LIMIT
COMPARATOR
Threshold Voltage
∆PFC
I
LIMIT
Threshold - Gain Modulator Output
(Continued)
CONDITIONS
MIN
TYP
MAX
UNITS
PARAMETER
2.65
175
2.75
250
2.85
325
V
mV
-0.9
120
-1.0
220
150
-1.1
V
mV
Delay to Output
DC I
LIMIT
COMPARATOR
Threshold Voltage
Input Bias Current
Delay to Output
V
IN
OK COMPARATOR
Threshold Voltage
Hysteresis
GAIN MODULATOR
Gain (Note 3)
I
AC
= 100µA, V
RMS
= V
FB
= 0V
I
AC
= 50µA, V
RMS
= 1V, V
FB
= 0V
I
AC
= 50µA, V
RMS
= 1.8V, V
FB
= 0V
I
AC
= 100µA, V
RMS
= 3.3V, V
FB
= 0V
Bandwidth
Output Voltage
OSCILLATOR
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
Ramp Valley to Peak Voltage
PFC Dead Time
C
T
Discharge Current
V
RAMP 2
= 0V, V
RAMP 1
= 2.5V
350
3.5
Over Line and Temp
182
T
A
= 25ºC
11V < V
CC
< 16.5V
188
IAC = 100µA
I
AC
= 350µA, V
RMS
= 1V,
V
FB
= 0V
0.65
0.65
1.90
0.90
0.20
2.4
0.8
1.4
300
ns
1.5
±0.3
150
1.6
±1
300
V
µA
ns
2.5
1.0
2.6
1.2
V
V
0.85
2.20
1.05
0.30
10
0.75
1.05
2.40
1.25
0.40
MHz
0.85
V
200
1
2
212
kHz
%
%
218
2.5
470
5.5
600
7.5
kHz
V
ns
mA
4
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
