PRM48JF480T500A00 Datasheet, PDF (26/46 Pages) Vicor Corporation – High Efficiency Converter

PRM48Jy480x500A00
Typical Performance Characteristics (cont.)
The following figures present typical performance at T_C = 25ºC, unless otherwise noted. See associated figures for general trend data.
Effective Internal Input and Output Capacitance
vs. Applied Voltage
14
Output Power vs. SHARE / CONTROL NODE Voltage
V_IN = 48 V, V_OUT = 48 V, T_CASE = 25°C
500
12
INPUT AND OUTPUT
CAPACITANCE
10
8
6
4
2
0 5 10 15 20 25 30 35 40 45 50 55
Applied Voltage (V)
Input and Output Capacitance (µF)
400
300
200
100
0
2.5 3
3.5 4 4.5 5 5.5 6
V_{CONTROL_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;
V_IN = 48.0 V, V_OUT = 48.0 V, T_CASE = 25°C
Power Train Switching Frequency and
Periodic Input Charge vs. Input Voltage - Full Load
1050
32
1000
950
Switching
Frequency
28
(kHz)
24
900
20
850
16
800
750
Input Charge
12
(µC)
8
700
4
650
0
38 40 42 44 46 48 50 52 54 56
Input Voltage (V)
V_OUT: 20 V
V_OUT: 48 V
V_OUT: 55 V
Figure 14 — Typical Power Train Switching Frequency and Periodic Input
Charge vs. V_IN, V_OUT; I_OUT = 10.42 A
SHARE / CONTROL NODE Voltage vs. Case Temperature
6.5
V_IN = 48 V V_OUT 48 V
6 _5.8
5.8
5.5
5.5
5
4.5 _4.3
4.2
4.0
4
3.5
-40
-20
0
20
40
60
Case Temperature (°C)
80
100
I_OUT: 5.21 A
I_OUT: 10.42 A
Figure 17 — Typical SHARE / CONTROL NODE Voltage vs. T_CASE and I_OUT;
V_IN = 48.0 V, V_OUT = 48.0 V
Power Train Switching Frequency and
Periodic Output Charge vs. Input Voltage - Full Load
1050
22
1000
950
Switching
Frequency
20
(kHz)
18
900
16
850
14
800
750
12
Output Charge
(µC)
10
700
8
650
6
38 40 42 44 46 48 50 52 54 56
Input Voltage (V)
V_OUT: 20 V
V_OUT: 48 V
V_OUT: 55 V
Figure 15 — Typical Power Train Switching Frequency and Periodic Output
Charge vs. V_IN, V_OUT; I_OUT = 10.42 A
PRM^TM Regulator
Page 26 of 46
Rev 1.2
11/2015
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