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V048F040T050 Datasheet(PDF) 2 Page - Vicor Corporation

Part No. V048F040T050
Description  VI Chip - VTM Voltage Transformation Module
Download  13 Pages
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Maker  VICOR [Vicor Corporation]
Homepage  http://www.vicorpower.com
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V048F040T050 Datasheet(HTML) 2 Page - Vicor Corporation

 
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vicorpower.com
800-735-6200
V•I Chip Voltage Transformation Module
V048F040T050
Rev. 1.1
Page 2 of 13
V•I Chip Voltage Transformation Module
PRELIMINARY
Electrical Specifications
Parameter
Min
Typ
Max
Unit
Note
Input voltage range
26
48
55
Vdc
Operable down to zero V with VC voltage applied
Input dV/dt
1
V/µs
Input overvoltage turn-on
55.0
Vdc
Input overvoltage turn-off
59.0
Vdc
Input current
4.6
Adc
Input reflected ripple current
114
mA p-p
Using test circuit in Figure 14; See Figure 1
No load power dissipation
4.10
5.10
W
Internal input capacitance
1.9
µF
Internal input inductance
5
nH
Input Specs (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Min
Typ
Max
Unit
Note
Output voltage
2.17
4.58
Vdc
No load
1.98
4.40
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
59.8
Adc
Module will shut down
Current share accuracy
5
10
%
See Parallel Operation on Page 8
Efficiency
Half load
93.4
94.8
%
See Figure 3
Full load
93.1
94.4
%
See Figure 3
Internal output inductance
1.1
nH
Internal output capacitance
255
µF
Effective value
Output overvoltage setpoint
4.6
Vdc
Module will shut down
Output ripple voltage
No external bypass
216
290
mV
See Figures 2 and 5
47 µF bypass capacitor
8
mV
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 = K•VIN at no load
Load regulation
ROUT
3.3
3.9
See Figure 17
Transient response
Voltage overshoot
110
mV
50 A load step with 100 µF CIN; See Figures 7 and 8
Response time
200
ns
See Figures 7 and 8
Recovery time
1
µs
See Figures 7 and 8
Output Specs (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)


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