PRM48BH480T250A00_15 Datasheet, PDF (24/42 Pages) Vicor Corporation – High Efficiency Converter

PRM48BH480x250A00
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
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)
Figure 13 — Effective Internal Input and Output Capacitance vs. Voltage –
Ceramic Type

 





































 
 
 

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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
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)
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 = 5.21 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
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)
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 = 5.21 A
PRM^TM Regulator
Page 24 of 42
Rev 1.6
11/2015
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