English
Language : 

PRM48JH480X250A00 Datasheet, PDF (25/44 Pages) Vicor Corporation – Pin selectable operating mode
PRM48JH480x250A00
Typical Performance Characteristics (cont.)
The following figures present typical performance at TC = 25ºC, unless otherwise noted. See associated figures for general trend data.
Effective Internal Input and Output Capacitance
vs. Applied Voltage
5.0
4.5
4.0
INPUT AND OUTPUT
CAPACITANCE
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0 5 10 15 20 25 30 35 40 45 50 55
Applied Voltage (V)
Input and Output Capacitance (µF)
Output Power vs. SHARE / CONTROL NODE Voltage
VIN = 48 V, VOUT = 48 V, TCASE = 25°C
250
200
150
100
50
0
2.5 3
3.5 4 4.5 5 5.5 6
VCONTROL_NODE (V)
Typical
6.5 7
Figure 13 — Effective Internal Input and Output Capacitance vs. Voltage –
Ceramic Type
Figure 16 — Output Power vs. SHARE / CONTROL NODE Voltage;
VIN = 48.0 V, VOUT = 48.0 V, TCASE = 25°C
Power Train Switching Frequency and
Periodic Input Charge vs. Input Voltage - Full Load
1050
1025
Switching
16
Frequency
(kHz)
14
1000
12
975
10
950
8
925
900
6
Input Charge
(µC)
4
875
2
850
0
38 40 42 44 46 48 50 52 54 56
Input Voltage (V)
VOUT: 20 V
VOUT: 48 V
VOUT: 55 V
Figure 14 — Typical Power Train Switching Frequency and Periodic Input
Charge vs. VIN, VOUT; IOUT = 5.21 A
SHARE / CONTROL NODE Voltage vs. Case Temperature
6.5
VIN = 48 V VOUT 48 V
6 5.8
5.9
5.7
5.5
5
4.5 4.3
4
-40
-20
4.3
0
20
40
60
Case Temperature (°C)
4.1
80
100
IOUT: 2.08 A
IOUT: 5.21 A
Figure 17 — Typical SHARE / CONTROL NODE Voltage vs. TCASE and IOUT;
VIN = 48.0 V, VOUT = 48.0 V
Power Train Switching Frequency and
Periodic Output Charge vs. Input Voltage - Full Load
1050
1025
16
Switching
Frequency
(kHz)
14
1000
12
975
10
950
8
925
900
6 Output Charge
(µC)
4
875
2
850
0
38 40 42 44 46 48 50 52 54 56
Input Voltage (V)
VOUT: 20 V
VOUT: 48 V
VOUT: 55 V
Figure 15 — Typical Power Train Switching Frequency and Periodic Output
Charge vs. VIN, VOUT; IOUT = 5.21 A
PRMTM Regulator
Page 25 of 44
Rev 1.2
11/2015
vicorpower.com
800 927.9474