參數(shù)資料
型號(hào)： V048F020T080
廠商： Vicor Corporation
元件分類(lèi)： DC/DC變換器
英文描述： VI Chip - PRM-AL Pre-Regulator Module
中文描述： 六芯片-大羅馬尼亞黨鋁預(yù)穩(wěn)壓模塊
文件頁(yè)數(shù)： 2/14頁(yè)
文件大?。?/td> 408K
代理商： V048F020T080
vicorpower.com
800-735-6200
VI Chip Pre-Regulator Module
P048F048T24AL
Rev. 1.7
Page 2 of 14
PRELIMINARY
Overview of Adaptive Loop Compensation
Adaptive Loop compensation, illustrated in Figure 1, contributes to
the bandwidth and speed advantage of Factorized Power. The PRM
monitors its output current and automatically adjusts its output
voltage to compensate for the voltage drop in the output
resistance of the VTM. R
OS
sets the desired value of the VTM
output voltage, Vout; R
CD
is set to a value that compensates for
the output resistance of the VTM (which, ideally, is located at the
point of load). For selection of R
OS
and R
CD
, refer to Table 1 below
or Page 9.
The VI Chip’s bi-directional VC port :
1. Provides a wake up signal from the PRM to the VTM that
synchronizes the rise of the VTM output voltage to that of the PRM.
2. Provides feedback from the VTM to the PRM to enable the PRM
to compensate for the voltage drop in VTM output resistance, R
O
.
-In
PC
VC
TM
+In
-Out
+Out
VTM
+Out
-Out
K
Ro
+Out
–Out
+In
–In
VC
PC
TM
IL
NC
VH
SC
PR
SG
OS
NC
CD
PRM-AL
L
O
A
D
Factorized
Bus (V
f
)
Vo = V
L
±
1.0%
(IoRo)
K
V
f
= V
L
+
K
Vin
R
OS
R
CD
Output Power
Designator
(=P
f
/10)
P
048
F
048
T
24
AL
Pre-Regulator
Module
Input Voltage
Designator
Product Grade Temperatures (°C)
Grade
Storage
T
-40 to150
M
-65 to150
Operating
-40 to125
-55 to125
Configuration
(Fig.21)
Nominal
Factorized Bus
Voltage
AL = Adaptive Loop
Desired Load Voltage (Vdc)
1.0
1.2
1.5
1.8
2.0
3.3
5.0
10
12
15
24
28
36
48
Note:
(1) See Table 2 on page 9 for nominal Vout range and K factors.
(2) See “PRM output power vs. VTM output power” on Page 10
(3) 1% precision resistors recommended
VTM P/N
(1)
V048F015T100
V048F015T100
V048F015T100
V048F020T080
V048F020T080
V040F033T060
V048F060T040
V048F120T025
V048F120T025
V048F160T019
V048F240T012
V048F320T009
V048F480T006
V048F480T006
Max VTM Output Current (A)
(2)
100
100
100
80
80
60
40
25
25
18.8
12.5
9.4
6.3
6.3
R
OS
(k
Ω
)
(3)
3.57
2.94
2.37
2.61
2.37
2.89
2.87
2.86
2.37
2.49
2.37
2.74
3.16
2.37
R
CD
(
Ω
)
(3)
26.1
32.4
39.2
35.7
39.2
32.6
33.2
32.9
39.2
37.4
39.2
35.7
30.1
39.2
Table 1
— Configure your Chip Set using the PRM-AL
Figure 1
— With Adaptive Loop control, the output of the VTM is regulated over the load current range with only a single interconnect between the PRM and
VTM and without the need for isolation in the feedback path.
General Specifications
VI Chip Pre-Regulator Module
Part Numbering
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