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参数资料
| 型号： | VT048A080T030TP |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-15 |
| 文件页数： | 10/11页 |
| 文件大小： | 498K |
| 代理商： | VT048A080T030TP |
Voltage Transformation Module
VT048A080T030FP
vicorpower.com
Rev. 1.0
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%
(IoRo)
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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