ML4824
ELECTRICAL CHARACTERISTICS
(Continued)
SYMBOL
PFC
Minimum Duty Cycle
Maximum Duty Cycle
Output Low Voltage
V
IEAO
> 4.0V
V
IEAO
< 1.2V
I
OUT
= -20mA
I
OUT
= -100mA
I
OUT
= 10mA, V
CC
= 8V
Output High Voltage
I
OUT
= 20mA
I
OUT
= 100mA
Rise/Fall Time
PWM
Duty Cycle Range
ML4824-1
ML4824-2
Output Low Voltage
I
OUT
= -20mA
I
OUT
= -100mA
I
OUT
= 10mA, V
CC
= 8V
Output High Voltage
I
OUT
= 20mA
I
OUT
= 100mA
Rise/Fall Time
SUPPLY
Shunt Regulator Voltage (V
CCZ
)
V
CCZ
Load Regulation
V
CCZ
Total Variation
Start-up Current
Operating Current
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
Note 1:
Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
Note 2:
Includes all bias currents to other circuits connected to the V
FB
pin.
Note 3:
Gain = K x 5.3V; K = (I
GAINMOD
- I
OFFSET
) x I
AC
x (VEAO - 1.5V)
-1
.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
0
90
95
0.4
0.8
0.7
10
9.5
10.5
10
50
0.8
2.0
1.5
%
%
V
V
V
V
V
ns
C
L
= 1000pF
0-44
0-37
0-47
0-40
0.4
0.8
0.7
0-50
0-45
0.8
2.0
1.5
%
%
V
V
V
V
V
ns
10
9.5
10.5
10
50
C
L
= 1000pF
12.8
25mA < I
CC
< 55mA
Load, Temp
V
CC
= 11.8V, C
L
= 0
V
CC
< V
CCZ
- 0.5V, C
L
= 0
12
2.7
12.4
13.5
±100
14.2
±300
14.6
V
mV
V
mA
mA
V
V
0.7
16
13
3.0
1.0
19
14
3.3
REV. 1.01 12/7/2000
5
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
