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ML4805IP Fiches technique(PDF) 5 Page - Fairchild Semiconductor

No de pièce ML4805IP
Description  Variable Feedforward PFC/PWM Controller Combo
Download  13 Pages
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Fabricant  FAIRCHILD [Fairchild Semiconductor]
Site Internet  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

ML4805IP Fiches technique(HTML) 5 Page - Fairchild Semiconductor

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ML4805
REV. 1.1 3/9/2001
5
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
REFERENCE
Output Voltage
TA = 25ºC, I(VREF) = 1mA
7.4
7.5
7.6
V
Line Regulation
11V < VCC < 16.5V
10
25
mV
Load Regulation
1mA < I(VREF) < 10mA
10
20
mV
Temperature Stability
0.4
%
Total Variation
Line, Load, Temp
7.35
7.65
V
Long Term Stability
TJ = 125ºC, 1000 Hours
5
25
mV
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 = 9V
0.4
0.8
V
Output High Voltage
IOUT = 20mA
VCC - 0.8
V
IOUT = 100mA
VCC - 2.0
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 = 9V
0.4
0.8
V
VOH
Output High Voltage
IOUT = 20mA
VCC - 0. 8
V
IOUT = 100mA
VCC - 2.0
V
Rise/Fall Time
CL = 1000pF
50
ns
SUPPLY
Start-up Current
VCC = 12V, CL = 0
200
350
µA
Operating Current
VCC = 14V, CL = 0
5.5
7.0
mA
Undervoltage Lockout Threshold
12.4
13.0
13.6
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 = (IMULO - IOFFSET) x IAC x (VEAO - 0.625V)-1.


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