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KA7577D Datasheet(PDF) 5 Page - Fairchild Semiconductor

Part # KA7577D
Description  SMPS Controller
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA7577D Datasheet(HTML) 5 Page - Fairchild Semiconductor

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KA7577
5
Electrical Characteristics
(VCC=18V, TA = 25°C , unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
VF SECTION
Duty Ratio of CLM Operating
K
VF = 0.2V
Max On Duty/
Min Off Duty
11
13.7
22
-
VF Voltage at Timer Operating Start
V(VF)
-
2.7
3.0
3.3
V
VF Terminal Input Current
I(VF)
--
2
6
µA
OUTPUT SECTION
Low Output Voltage
VOL1
VCC = 18V, IO = 10mA
-
0.05
0.4
V
VOL2
VCC = 18V, IO = 100mA
-
0.7
1.4
V
VOL3
VCC = 5V, IO = 1mA
-
0.69
1.0
V
VOL4
VCC = 5V, IO = 100mA
-
1.3
2.0
V
High Output Voltage
VOH1
VCC = 18V, IO = -10mA
16.0
16.5
-
V
VOH2
VCC = 18V, IO = -100mA
15.5
16.0
-
V
Rise Time
TR
No load
-
50
-
ns
Fall Time
TF
No load
-
35
-
ns
THERMAL PROTECTION SECTION
Thermal protection Operating
Temperature
T(TP)
-
120
140
160
°C


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