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KA5Q0740RTTU Datasheet(PDF) 5 Page - Fairchild Semiconductor

No. de pieza KA5Q0740RTTU
Descripción Electrónicos  Fairchild Power Switch(FPS)
Download  12 Pages
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Fabricante Electrónico  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA5Q0740RTTU Datasheet(HTML) 5 Page - Fairchild Semiconductor

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KA5Q0740RT
5
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
SYNC SECTION
Normal Sync High Threshold Voltage
VNSH
Vcc = 16V, Vfb = 5V
4.0
4.6
5.2
V
Normal Sync Low Threshold Voltage
VNSL
Vcc = 16V, Vfb = 5V
2.3
2.6
2.9
V
Burst Sync High Threshold Voltage
VBSH
Vcc = 10.5V, Vfb = 0V
3.2
3.6
4.0
V
Burst Sync Low Threshold Voltage
VBSL
Vcc = 10.5V, Vfb = 0V
1.1
1.3
1.5
V
BURST MODE SECTION
Burst mode Low Threshold Voltage
VBURL
Vfb = 0V
10.4 11.0 11.6
V
Burst mode High Threshold Voltage
VBURH
Vfb = 0V
11.4 12.0 12.6
V
Burst mode Enable Feedback Voltage
VBEN
Vcc = 10.5V
0.7
1.0
1.3
V
Burst mode Peak Current Limit
IBU_PK
Vcc = 10.5V
0.65 0.85
1.1
A
PRIMARY SIDE REGULATION SECTION
Primary Regulation Threshold Voltage
VPR
Ifb = 700uA, Vfb = 4V
32.0 32.5 33.0
V
Primary Regulation Transconductance
GPR
-
2.0
2.6
-
mA/V
CURRENT LIMIT(SELF-PROTECTION)SECTION
Peak Current Limit(Note3)
IPK
-
4.4
5.0
5.6
A
TOTAL DEVICE SECTION
Start Up Current
ISTART
Vfb = GND, VCC = 14V
-
0.1
0.2
mA
Operating Supply Current (Note1)
IOP
Vfb = GND, VCC = 16V
-10
18
mA
IOP(MIN) Vfb = GND, VCC = 10V
IOP(MAX) Vfb = GND, VCC = 28V


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