V048F240T012 Datasheet, PDF (2/11 Pages) Vicor Corporation – VTM Current Multiplier

Specifications
Input Specs (Conditions are at 48 V_IN, 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
Note
28
48
53
Vdc
Max Vin = 53 V, operating from -55°C to -40°C
1
V/µs
53.0
Vdc
59.0
Vdc
6.8
Adc
120
mA p-p
Using test circuit in Figure 15; See Figure 1
4.0
5.9
W
1.9
µF
5
nH
Output Specs (Conditions are at 48 V_IN, 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 set point
Output ripple voltage
No external bypass
3.3 µF bypass capacitor
Effective switching frequency
Line regulation
K
Load regulation
R_OUT
Transient response
Voltage overshoot
Response time
Recovery time
Min
Typ
Max
Unit
13.8
26.5
Vdc
13.0
25.8
Vdc
0
12.5
Adc
18.8
A
12.8
5
Adc
10
%
95.0
95.7
%
94.7
95.8
%
1.1
nH
7.7
µF
26.5
Vdc
150
348
mVp-p
13
mVp-p
3.0
3.4
3.8
MHz
0.4950
1/2
0.5050
43.6
60.0
mΩ
600
mV
200
ns
1
µs
Note
No load
Full load
28 - 53 V_IN
Max pulse width 1ms, max duty cycle 10%,
baseline power 50%
Module will shut down
See Parallel Operation on Page 9
See Figure 3
See Figure 3
Effective value
Module will shut down
See Figures 2 and 5
See Figure 6
Fixed, 1.7 MHz per phase
V_OUT = K•V_IN at no load
See Figure 16
12.5 A load step with 100 µF C_IN; See Figures 7 and 8
See Figures 7 and 8
See Figures 7 and 8
vicorpower.com 800-735-6200
VTM™ Current Multiplier
V048F240T012
Rev. 2.9
Page 2 of 11