ML4826 Fairchild, ML4826 Datasheet - Page 5

• Manufacturer Part Number: ML4826
• Description: PFC and Dual Output PWM Controller Combo
• Manufacturer: Fairchild

PRODUCT SPECIFICATION
Electrical Characteristics
Unless otherwise specified, I
T
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 VFB pin.
3. Gain = K x 5.3V; K = (I
REV. 1.0.5 2/14/02
Symbol
A
PFC
PWM
Supply
= Operating Temperature Range (Note 1)
Load Regulation
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
V
Start-up Current
Operating Current
Undervoltage Lockout
Threshold
Undervoltage Lockout
Hysteresis
CCZ
CCZ
CCZ
Load Regulation
Total Variation
)
Parameter
GAINMOD
CC
= 25mA, R
- I
OFFSET
(continued)
RAMP 1
) x I
1mA < I(V
Line, Load, Temp
T
ML4826-2, 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
J
IEAO
CC
CC
L
L
AC
= 125˚C, 1000 Hours
= 1000pF
= 1000pF
= R
x (VEAO - 1.5V)
= 11.2V, C
< V
= –20mA
= –50mA
= 10mA, V
= 20mA
= 50mA
= –20mA
= –50mA
= 10mA, V
= 20mA
= 50mA
T
< 1.2V
= 52.3kΩ, C
CCZ
CC
REF
< 55mA
IEAO
– 0.5V, C
Conditions
) < 20mA
L
CC
CC
= 0
> 5.7V
-1
= 8V
= 8V
RAMP1
.
L
= 0
= C
T
= 180 pF,
Min.
7.25
0-47
12.8
12.4
2.65
9.5
9.0
9.5
9.0
90
12
±150
Typ.
0-48
10.5
10.5
13.5
0.4
0.6
0.7
0.4
0.6
0.7
0.7
3.0
95
10
50
10
50
22
13
7
5
Max. Units
±300
7.65
0-50
14.2
14.6
3.35
0.8
3.0
1.5
0.8
3.0
1.5
1.1
20
25
28
14
0
ML4826
mV
mV
mV
mA
mA
ns
ns
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
5