ML4826
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PFC
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Duty Cycle
ML4826-1, VIEAO > 4.0V
ML4826-2, VIEAO > 5.7V
VIEAO < 1.2V
0
0
%
%
%
V
Maximum Duty Cycle
Output Low Voltage
90
95
0.4
0.6
0.7
10.5
10
IOUT = –20mA
0.8
3.0
1.5
IOUT = –50mA
V
IOUT = 10mA, VCC = 8V
IOUT = 20mA
V
Output High Voltage
Rise/Fall Time
9.5
9.0
V
IOUT = 50mA
V
CL = 1000pF
50
ns
PWM
Duty Cycle Range
0-47
0-48
0.4
0.6
0.7
10.5
10
0-50
0.8
%
V
Output Low Voltage
IOUT = –20mA
IOUT = –50mA
IOUT = 10mA, VCC = 8V
IOUT = 20mA
3.0
V
1.5
V
Output High Voltage
Rise/Fall Time
9.5
9.0
V
IOUT = 50mA
V
CL = 1000pF
50
ns
SUPPLY
Shunt Regulator Voltage (VCCZ
VCCZ Load Regulation
VCCZ Total Variation
Start-up Current
)
12.8
12.4
13.5
14.2
±300
14.6
1.1
V
mV
V
25mA < ICC < 55mA
Load, temp
±150
VCC = 11.2V, CL = 0
VCC < VCCZ – 0.5V, CL = 0
0.7
22
mA
mA
V
Operating Current
28
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
12
13
14
2.65
3.0
3.35
V
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 VFB pin.
Note 3: Gain = K x 5.3V; K = (IGAINMOD - IOFFSET) x IAC x (VEAO - 1.5V)-1
.
5
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
