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ML4827 Folha de dados(PDF) 5 Page - Micro Linear Corporation

Nome de Peças ML4827
Descrição Electrónicos  Fault-Protected PFC and PWM Controller Combo
PDF  16 Pages
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Fabricante Electrônico  MICRO-LINEAR [Micro Linear Corporation]
Página de início  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4827 Folha de dados(HTML) 5 Page - Micro Linear Corporation

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ML4827
5
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
REFERENCE
Output Voltage
TA = 25°C, I(VREF) = 1mA
7.4
7.5
7.6
V
Line Regulation
VCCZ - 3V < VCC < VCCZ - 0.5V
2
10
mV
Load Regulation
1mA < I(VREF) < 20mA
2
15
mV
Temperature Stability
0.4
%
Total Variation
Line, Load, Temp
7.35
7.65
V
Long Term Stability
TJ = 125°C, 1000 Hours
5
25
mV
PFC
Minimum Duty Cycle
VIEAO > 4.0V
0
%
Maximum Duty Cycle
VIEAO < 1.2V
90
95
%
Output Low Voltage
IOUT = -20mA
0.4
0.8
V
IOUT = -100mA
0.8
2.0
V
IOUT = 10mA, VCC = 8V
0.7
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
Duty Cycle Range
ML4827-1
0-44
0-47
0-50
%
ML4827-2
0-64
0-70
0-74
%
Output Low Voltage
IOUT = -20mA
0.4
0.8
V
IOUT = -100mA
0.8
2.0
V
IOUT = 10mA, VCC = 8V
0.7
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
SUPPLY
Shunt Regulator Voltage (VCCZ)
12.8
13.5
14.2
V
VCCZ Load Regulation
25mA < ICC < 55mA
±100
±300
mV
VCCZ Total Variation
Load, Temp
12.4
14.6
V
Start-up Current
VCC = 11.8V, CL = 0
0.7
1.0
mA
Operating Current
VCC < VCCZ - 0.5V, CL = 0
16
19
mA
Undervoltage Lockout Threshold
12
13
14
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 = (IGAINMOD - IOFFSET) x IAC x (VEAO - 1.5V)-1.



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