PRM48AF480T400A00_15 Datasheet, PDF (25/44 Pages) Vicor Corporation – High Efficiency Converter

PRM48Ay480x400A00
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
12
INPUT AND OUTPUT
CAPACITANCE
10
8
6
INPUT CAPACITANCE ONLY
4
2
0
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75
Applied Voltage (V)
Input and Output Capacitance (µF)
Input Capacitance Only (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
6
900
875
4
Input Charge
(µC)
2
850
0
35 40 45 50 55 60 65 70 75
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 = 8.33 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
Switching
16
Frequency
(kHz)
14
1000
12
975
10
950
8
925
900
6
Output Charge
(µC)
4
875
2
850
0
35 40 45 50 55 60 65 70 75
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 = 8.33 A
PRM^TM Regulator
Page 25 of 44
Rev 1.4
11/2015
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