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KA5Q0740RT Folha de dados(PDF) 4 Page - Fairchild Semiconductor

Nome de Peças KA5Q0740RT
Descrição Electrónicos  Fairchild Power Switch(FPS)
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Fabricante Electrônico  FAIRCHILD [Fairchild Semiconductor]
Página de início  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA5Q0740RT Folha de dados(HTML) 4 Page - Fairchild Semiconductor

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KA5Q0740RT
4
Electrical Characteristics (Continued)
(Ta=25
°C unless otherwise specified)
Note:
1. These parameters is the current flowing in the Control IC.
2. These parameters, although guaranteed, are tested in EDS(wafer test) process.
3. These parameters indicate Inductor Current.
Parameter
Symbol
Condition
Min.
Typ. Max. Unit
UVLO SECTION
Start Threshold Voltage
VSTART
VFB = GND
141516
V
Stop Threshold Voltage
VSTOP
VFB = GND
8
9
10
V
OSCILLATOR SECTION
Initial Frequency
FOSC
-
182022
kHz
Voltage Stability
FSTABLE 12V
≤ Vcc ≤ 23V
0
1
3
%
Temperature Stability (Note2)
∆FOSC
-25
°C ≤ Ta ≤ 85°C0
±5±10
%
Maximum Duty Cycle
DMAX
-
929598
%
Minimum Duty Cycle
DMIN
--
-
0
%
FEEDBACK SECTION
Feedback Source Current
IFB
VFB = GND
0.7
0.9
1.1
mA
Shutdown Feedback Voltage
VSD
Vfb
≥ 6.9V
6.9
7.5
8.1
V
Shutdown Delay Current
IDELAY
VFB = 5V
456
µA
PROTECTION SECTION
Over Voltage Protection
VOVP
Vsync
≥ 11V
11
12
13
V
Over Current Latch Voltage (Note2)
VOCL
-
0.9
1.0
1.1
V
Thermal Shutdown Temp.
TSD
-
140
160
-
°C


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