V048K480T006 Datasheet, PDF (2/15 Pages) Vicor Corporation – VI Chip - VTM Voltage Transformation Module

Electrical Specifications
PRELIMINARY
V•I Chip Voltage Transformation Module
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
Min
Typ
Max
Unit
26
48
55
Vdc
1
V/µs
55.0
Vdc
59.5
Vdc
6.7
Adc
142.5
mA p-p
3.3
4.6
W
4.0
µF
20
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
9.4 µF bypass capacitor
Effective switching frequency
Line regulation
K
Load regulation
ROUT
Transient response
Voltage overshoot
Response time
Recovery time
Min
26.0
24.8
0
6.4
96.5
96.0
55.0
1.6
0.9900
Typ
7.2
5
96.7
96.4
1.6
6.0
179
20
3.0
1
188.0
1170
200
1
Max
55.0
53.9
6.3
9.4
9.0
10
240
1.4
1.0100
200.0
Unit
Vdc
Vdc
Adc
A
Adc
%
%
%
nH
µF
Vdc
mV
mV
MHz
mΩ
mV
ns
µs
Note
No load
Full load
26 - 55 VIN
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, 1.5 MHz per phase
VOUT = K•VIN at no load
See Figure 19
6.3 A load step with 100 µF CIN; See Figures 7 and 8
See Figures 7 and 8
See Figures 7 and 8
vicorpower.com 800-735-6200
V•I Chip Voltage Transformation Module
V048K480T006
Rev. 1.0
Page 2 of 15