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ML4841IP Datasheet(PDF) 5 Page - Micro Linear Corporation

No. de pieza ML4841IP
Descripción Electrónicos  Variable Feedforward PFC/PWM Controller Combo
PDF  15 Pages
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Fabricante Electrónico  MICRO-LINEAR [Micro Linear Corporation]
Página de inicio  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4841IP Datasheet(HTML) 5 Page - Micro Linear Corporation

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



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