PRELIMINARY
Electrical Specifications
Input Specs
(Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Input voltage range
Input dV/dt
Input overvoltage turn-on
Input overvoltage turn-off
Input current
Input reflected ripple current
No load power dissipation
Internal input capacitance
Internal input inductance
140
3.1
4.0
20
4.1
55.0
59.5
5.4
V•I Chip Voltage Transformation Module
Min
26
Typ
48
Max
55
1
Unit
Vdc
V/µs
Vdc
Vdc
Adc
mA p-p
W
µF
nH
Note
Operable down to zero V with VC voltage applied
Using test circuit in Figure 16; See Figure 1
Output Specs
(Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Output voltage
Rated DC current
Peak repetitive current
Short circuit protection set point
Current share accuracy
Efficiency
Half load
Full load
Internal output inductance
Internal output capacitance
Output overvoltage setpoint
Output ripple voltage
No external bypass
10 µF bypass capacitor
Effective switching frequency
Line regulation
K
Load regulation
R
OUT
Transient response
Voltage overshoot
Response time
Recovery time
25.5
30.5
5
96.2
96.2
1.6
55.0
11.0
176
3.0
0.1980
17.4
3.1
1/5
8.9
90
200
1
200
3.4
0.2020
10.0
mΩ
mV
ns
µs
Min
5.20
4.95
0
Typ
Max
11.0
10.8
25.0
37.5
35.0
10
Unit
Vdc
Vdc
Adc
A
Adc
%
%
%
nH
µF
Vdc
mV
mV
MHz
Note
No load
Full load
26 - 55 V
IN
Max pulse width 1ms, max duty cycle 10%,
baseline power 50%
Module will shut down
See Parallel Operation on Page 10
See Figure 3
See Figure 3
Effective value
Module will shut down
See Figures 2 and 5
See Figure 6
Fixed, 1.6 MHz per phase
V
OUT
= K•V
IN
at no load
See Figure 19
25.0 A load step with 100 µF C
IN
; See Figures 7 and 8
See Figures 7 and 8
See Figures 7 and 8
95.5
95.5
vicorpower.com
800-735-6200
V•I Chip Voltage Transformation Module
V048K096T025
Rev. 1.0
Page 2 of 15
VICOR [ VICOR CORPORATION ]
