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VT048A020T080FP 데이터시트(PDF) 8 Page - Vicor Corporation

부품명 VT048A020T080FP
상세설명  VTM??Current Multiplier
PDF  11 Pages
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제조업체  VICOR [Vicor Corporation]
홈페이지  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

VT048A020T080FP 데이터시트(HTML) 8 Page - Vicor Corporation

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Voltage Transformation Module
VT048A020T080FP
vicorpower.com
Rev. 1.1
Page 8 of 11
APPLICATION NOTES (CONT.)
Figure 11 — The PRM controls the factorized bus voltage, Vf, in proportion to output current to compensate for the output resistance, Ro, of the VTM. The VTM
output voltage is typically within 1% of the desired load voltage (VL) over all line and load conditions.
L
O
A
D
Factorized
Bus (Vf)
Vo = VL ± 1.0%
(Io•Ro)
K
Vf = V
L +
K
Vin
ROS
RCD
VTM
+IN
+OUT
-OUT
+OUT
-OUT
-IN
TM
VC
PC
PRM-AL
VH
SC
SG
OS
NC
CD
VC
PC
TM
IL
NC
PR
+IN
+OUT
-OUT
-IN
FPA ADAPTIVE LOOP
Figure 12 — An external error amplifier or Point-of-Load IC (POLIC) senses the load voltage and controls the PRM output – the Factorized Bus – as a function of
output current, compensating for the output resistance of the VTM and for distribution resistance.
Remote
Loop
Control
Vf = f (Vs)
L
O
A
D
Factorized
Power Bus
Vo = VL ± 0.4%
+S
–S
Vin
VTM
+IN
+OUT
-OUT
+OUT
-OUT
-IN
TM
VC
PC
PRM-AL
VH
SC
SG
OS
NC
CD
VC
PC
TM
IL
NC
PR
+IN
+OUT
-OUT
-IN
FPA NON-ISOLATED REMOTE LOOP
In figures below;
K = VTM transformation ratio
Vf = PRM output (Factorized Bus Voltage)
RO = VTM output resistance
VO = VTM output
VL = Desired load voltage



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