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參數資料
| 型號： | VT048A040T050TP |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-15 |
| 文件頁數： | 5/11頁 |
| 文件大?。?/td> | 828K |
| 代理商： | VT048A040T050TP |
Voltage Transformation Module
VT048A040T050FP
vicorpower.com
Rev. 1.0
Page 3 of 11
SPECIFICATIONS (CONT.)
WAVEFORMS
Figure 1 — Input reflected ripple current at full load and 48 Vf.
Ripple vs. Output Current
80
100
120
140
160
180
200
220
0
5
10
15
20
25
30
35
40
45
50
Output Current (A)
Output
Ripple
(mVpk-pk)
Figure 2 — Output voltage ripple vs. output current at 48 Vf with no POL
bypass capacitance.
Parameter
Min
Typ
Max
Unit
Note
Output voltage
2.17
4.58
Vdc
No load
1.99
4.42
Vdc
Full load
Rated DC current
0
50
Adc
26 - 55 VIN
Peak repetitive current
75
A
Max pulse width 1ms, max duty cycle 10%,
baseline power 50%
Short circuit protection set point
52.5
Adc
Module will shut down
Current share accuracy
5
10
%
See Parallel Operation on Page 7
Efficiency
Half load
93.8
94.8
%
See Figure 3
Full load
93.5
94.5
%
See Figure 3
Internal output inductance
1.1
nH
Internal output capacitance
255
F
Effective value
Output overvoltage setpoint
4.6
Vdc
Module will shut down
Output ripple voltage
No external bypass
216
305
mVp-p
See Figures 2 and 5
47 F bypass capacitor
8
mVp-p
See Figure 6
Effective switching frequency
2.40
2.55
2.70
MHz
Fixed, 1.3 MHz per phase
Line regulation
K
0.0825
1/12
0.0842
VOUT = KVIN at no load
Load regulation
ROUT
2.8
3.6
mΩ
See Figure 13
Transient response
Voltage overshoot
110
mV
50 A load step with 100 F CIN; See Figures 7 and 8
Response time
200
ns
See Figures 7 and 8
Recovery time
1
s
See Figures 7 and 8
Output Specifications (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
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