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KA3511DS Datasheet(PDF) 5 Page - Fairchild Semiconductor

No. de pieza KA3511DS
Descripción Electrónicos  Intelligent Voltage Mode PWM IC
Download  18 Pages
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Fabricante Electrónico  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA3511DS Datasheet(HTML) 5 Page - Fairchild Semiconductor

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KA3511DS
5
Electrical Characteristics (Vcc=20V, Ta=25
°°°°C)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
REFERENCE SECTION
Reference output voltage
Vref
Iref=1mA
4.9
5
5.1
V
Line regulation
∆Vref.LINE
10V
≤ VCC ≤ 30V
-
2.0
25
mV
Load regulation
∆Vref.LOAD
1mA
≤ Iref ≤ 10mA
-
1.0
15
mV
Temperature coefficient of Vref (1)
∆Vref/∆T-25°C ≤ Ta ≤ 85°C
-
0.01
-
%/
°C
Short-circuit output current
ISC
Vref=0
15
35
75
mA
OSCILLATOR SECTION
Oscillation frequency
fosc
CT=0.01uF, RT=12k
-
10
-
kHz
Frequency change with
temperature (1)
fosc/T
CT=0.01uF, RT=12k
-
2
-
%
DEAD TIME CONTROL SECTION
Input bias current
IB(DT)
-
-
-2.0
-10
uA
Maximum duty voltage
DCMAX
Pin19 (DTC)=0V
45
48
50
%
Input threshold voltage
VTH(DT)
Zero Duty Cycle
-
3.0
3.3
V
Max. Duty Cycle
0
-
-
ERROR AMP SECTION
Inverting reference voltage
Vref(EA)
-
1.20
1.25
1.30
V
Input bias current
IB(EA)
VCOMP=2.5V
-
-0.1
-1.0
uA
Open-loop voltage gain (1)
GVO
0.5V
≤VCOMP≤3.5V
70
95
-
dB
Unit-gain bandwidth (1)
BW
-
-
650
-
kHz
Output sink current
ISINK
VCOMP=0.7V
0.3
0.9
-
mA
Output source current
ISOURCE
VCOMP=3.5V
-2.0
-4.0
-
mA
PWM COMPARATOR SECTION
Input threshold voltage
VTH(PWM)
Zero Duty Cycle
-
4
4.5
V
OUTPUT SECTION
Output saturation voltage
VCE(SAT)
IC=200mA
-
1.1
1.3
V
Collector off-state current
IC(off)
VCC=VC=30V, VE=0V
-
2
100
uA
Rising time
TR
-
-
100
200
ns
Falling time
TF
-
-
50
200
ns


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