ml4841 Fairchild Semiconductor, ml4841 Datasheet - Page 5

• Manufacturer Part Number: ml4841
• Description: Ml4841 Variable Feedforward Pfc/pwm Controller Combo
• Manufacturer: Fairchild Semiconductor

PRODUCT SPECIFICATION
Electrical Characteristics
Unless otherwise specified, I
Operating Temperature Range (Note 1)
Notes
1. Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
2. Includes all bias currents to other circuits connected to the V
3. Gain = K x 5.3V; K = (I
REV. 1.0.3 6/13/01
Symbol
Reference
PFC
PWM
DC
V
V
Supply
V
OL
OH
CCZ
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Variation
Long Term Stability
Minimum Duty Cycle
Maximum Duty Cycle
Output Low Voltage
Output High Voltage
Rise/Fall Time
Duty Cycle Range
Output Low Voltage
Output High Voltage
Rise/Fall Time
Shunt Regulator Voltage
V
V
Start-up Current
Operating Current
Undervoltage Lockout
Threshold
Undervoltage Lockout
Hysteresis
CCZ
CCZ
Load Regulation
Total Variation
Parameter
GAINMOD
CC
= 25mA, R
- I
OFFSET
(continued)
) x I
T
T
V
1mA < I(V
Line, Load, Temp
T
V
V
I
I
I
I
I
C
I
I
I
I
I
C
25mA < I
Load, Temp
V
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
A
J
= 23kΩ, R
CCZ
IEAO
IEAO
CC
CC
L
L
AC
= 125°C, 1000 Hours
= 25°C, I(V
= 1000pF
= 1000pF
= 11.2V, C
< V
x (VEAO - 1.5V)
= -20mA
= -100mA
= 10mA, V
= 20mA
= 100mA
= -20mA
= -100mA
= 10mA, V
= 20mA
= 100mA
- 3V < V
> 6.7V
< 1.2V
CCZ
CC
REF
RAMP1
< 55mA
Conditions
- 0.5V, C
) < 20mA
FB
REF
CC
L
CC
CC
pin.
= 0
< V
) = 1mA
= 28.7kΩ, C
= 8V
= 8V
-1
.
CCZ
L
= 0
- 0.5V
T
= 400pF, C
V
Min.
0-44
7.25
12.8
12.4
CCZ
7.4
9.5
9.5
1.0
2.7
90
10
10
RAMP1
-
V
±100
Typ.
10.5
0-47
10.5
13.5
CCZ
7.5
0.4
0.4
0.7
0.8
0.4
0.7
0.8
0.7
0.7
3.0
95
10
50
10
50
17
2
2
5
= 270pF, T
-
V
±200
Max.
0-50
7.65
14.2
14.6
CCZ
7.6
0.8
2.0
1.5
0.8
2.0
1.5
1.0
0.4
3.3
10
15
25
21
0
-
A
ML4841
=
Units
mV
mV
mV
mV
mA
mA
ns
ns
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
5