ML4841
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PFC
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Duty Cycle
VIEAO > 6.7V
0
%
%
V
Maximum Duty Cycle
Output Low Voltage
VIEAO < 1.2V
90
95
0.4
0.7
0.8
10.5
10
IOUT = -20mA
IOUT = -100mA
IOUT = 10mA, VCC = 8V
IOUT = 20mA
0.8
2.0
1.5
V
V
Output High Voltage
Rise/Fall Time
10
V
IOUT = 100mA
CL = 1000pF
9.5
V
50
ns
PWM
DC
Duty Cycle Range
0-44
0-47
0.4
0.7
0.8
10.5
10
0-50
0.8
%
V
VOL
Output Low Voltage
IOUT = -20mA
IOUT = -100mA
IOUT = 10mA, VCC = 8V
IOUT = 20mA
2.0
V
1.5
V
VOH
Output High Voltage
Rise/Fall Time
10
V
IOUT = 100mA
CL = 1000pF
9.5
V
50
ns
SUPPLY
VCCZ
Shunt Regulator Voltage
VCCZ Load Regulation
VCCZ Total Variation
12.8
12.4
13.5
14.2
±200
14.6
1.0
V
mV
V
25mA < ICC < 55mA
Load, Temp
±100
Start-up Current
VCC = 11.2V, CL = 0
VCC < VCCZ - 0.5V, CL = 0
0.7
17
mA
mA
V
Operating Current
21
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
VCCZ - 1.0VCCZ - 0.7VCCZ - 0.4
2.7 3.0 3.3
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 = (IGAIN MOD – IOFFSET) x IAC x (VEAO – 1.5V)–1
.
5
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
