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FAC34063AP датащи(PDF) 7 Page - First Silicon Co., Ltd

номер детали FAC34063AP
подробное описание детали  DC/DC Converter Controller
PDF  7 Pages
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производитель  FS [First Silicon Co., Ltd]
домашняя страница  http://www.firstsilicon.co.kr/
Logo FS - First Silicon Co., Ltd

FAC34063AP датащи(HTML) 7 Page - First Silicon Co., Ltd

  FAC34063AP Datasheet HTML 1Page - First Silicon Co., Ltd FAC34063AP Datasheet HTML 2Page - First Silicon Co., Ltd FAC34063AP Datasheet HTML 3Page - First Silicon Co., Ltd FAC34063AP Datasheet HTML 4Page - First Silicon Co., Ltd FAC34063AP Datasheet HTML 5Page - First Silicon Co., Ltd FAC34063AP Datasheet HTML 6Page - First Silicon Co., Ltd FAC34063AP Datasheet HTML 7Page - First Silicon Co., Ltd  
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2007. 5. 20
7/7
FAC34063AP/AF
Revision No : 1
Calculation
Parameter
Step-Up
(Discontinuous mode)
Step-Down
(Continuous mode)
Voltage Inverting
(Discontinuous mode)
ton/toff
Vout +VF-V in(min)
Vout +VF
IVout + VF
Vin(min) - Vsat
Vin(min) - Vsat - Vout
Vin - Vsat
(ton + toff)max
1/fmin
1/fmin
1/fmin
CT
4.5x10-5ton
4.5x10-5ton
4.5x10-5ton
IPK(switch)
2Iout(max)[(ton/toff)+1]
2Iout(max)
2Iout(max)[(ton/toff)+1]
RSC
0.3/IPK(switch)
0.3/IPK(switch)
0.3/IPK(switch)
CO
Ioutton
IPK(switch) (ton + toff)
Ioutton
≡
Vripple(p-p)
8Vripple(p-p)
≡
Vripple(p-p)
L(min)
Vin(min) - Vsat
Vin(min)-Vsat-Vout
Vin(min) - Vsat
IPK(switch)
ton(max)
IPK(switch)
ton(max)
IPK(switch)
ton(max)
NOTES:
Vsat = Saturation voltage of the output switch
VF = Forward voltage drop of the output rectifier
THE FOLLOWING POWER SUPPLY CHARACTERISTICS MUST BE CHOSEN:
Vin = Nominal input voltage
Vout = Desired output voltage, | V |
out = 1.25(1+R2/R1)
Iout = Desired output current
fmin = Minimum desired output switching frequency at the selected values of Vin and lo
Vripple = Desired peak to peak output ripple voltage. In practice, the calculated capacitor value will and to be
increased due to its equivalent series resistance and board layout. The ripple voltage should be kept to a low
value since it will directly affect the line and load regulation.
I



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