ml4841is Micro Electronics Corporation, ml4841is Datasheet - Page 4

• Manufacturer Part Number: ml4841is
• Description: Variable Feedforward Pfc/pwm Controller Combo
• Manufacturer: Micro Electronics Corporation

ML4841
ELECTRICAL CHARACTERISTICS
OVP COMPARATOR
PFC I
DC I
V
GAIN MODULATOR
OSCILLATOR
REFERENCE
4
SYMBOL
IN
OK COMPARATOR
LIMIT
LIMIT
COMPARATOR
COMPARATOR
Threshold Voltage
Hysteresis
Threshold Voltage
Delay to Output
Threshold Voltage
Input Bias Current
Delay to Output
Threshold Voltage
Hysteresis
Gain (Note 3)
Bandwidth
Output Voltage
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
Ramp Valley to Peak Voltage
Dead Time
C
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Variation
Long Term Stability
T
PFC I
Discharge Current
LIMIT
V
TH
PARAMETER
- Gain Modulator Output)
(Continued)
I
I
I
I
IAC = 100 A
I
V
T
V
Line, Temp
PFC Only
V
T
V
1mA < I(V
Line, Load, Temp
T
AC
AC
AC
AC
AC
A
A
J
FB
CCZ
RAMP 2
CCZ
= 125ºC, 1000 Hours
= 25ºC
= 25ºC, I(V
= 100 A, V
= 50 A, V
= 50 A, V
= 100 A, V
= 250 A, V
= 0V
- 3V < V
- 3V < V
= 0V, V
CONDITIONS
REF
) < 20mA
RMS
RMS
REF
CC
CC
RMS
RMS
RMS
RAMP 1
) = 1mA
< V
< V
= 1.2V, V
= 1.8V, V
= V
= 3.3V, V
= 1.15V,
CCZ
CCZ
FB
= 2.5V
- 0.5V
- 0.5V
= 0V
FB
FB
FB
= 0V
= 0V
= 0V
MIN
0.35
1.15
0.52
0.14
0.74
7.25
-0.8
100
188
182
260
2.6
0.9
2.4
0.8
4.5
7.4
70
0.50
1.65
0.74
0.20
0.82
TYP
-1.0
190
150
150
200
400
2.7
1.0
2.5
1.0
2.5
7.5
7.5
0.4
95
10
0.3
1
2
2
2
5
-1.15
MAX
0.65
2.15
0.96
0.26
0.90
7.65
125
300
300
212
218
2.8
1.1
2.6
1.2
9.5
7.6
10
15
25
1
UNITS
MHz
kHz
kHz
mV
mV
mA
mV
mV
mV
ns
ns
%
%
ns
%
V
V
V
V
V
V
V
V
V
A