PRM48BF480T500A00 Datasheet, PDF (22/45 Pages) Vicor Corporation – PRM™ Regulator

PRM48B x 480 y 500A00
Effective Internal Input and Output Capacitance vs. Applied
Voltage
14
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 (uF)
Figure 13 Effective Internal Input and Output Capacitance vs. Voltage
– Ceramic Type
Power Train Switching Frequency and
Periodic Input Charge vs. Input Voltage - Full Load
1050
32
1000
950
28
Switching
Frequency
(kHz))
24
900
20
850
16
800
12
Input Charge
(µC)
750
8
700
4
650
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: Power Train Switching Frequency and Periodic Input
Charge vs. V_IN, V_OUT; I_OUT = 10.42 A
Power Train Switching Frequency and
Periodic Output Charge vs. Input Voltage - Full Load
1050
22
1000
950
20
Switching
Frequency
(kHz))
18
900
16
850
14
800
12
Output Charge
(µC)
750
10
700
8
650
6
38
40
42
44
46
48
50
52
54
56
Input Voltage [V]
VOUT: 20 V
VOUT: 48 V
VOUT: 55 V
Figure 15: Power Train Switching Frequency and Periodic Output
Charge vs. V_IN, V_OUT; I_OUT = 10.42 A
Output Power vs. SHARE / CONTROL NODE Voltage
VIN = 48 V, VOUT = 48 V, TCASE = 25 °C
500
400
300
200
100
0
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
V_{CONTROL_NODE} [V]
Typical
Figure 16 Output Power vs. SHARE / CONTROL NODE Voltage;
V_IN = 48 V, V_OUT = 48 V, T_CASE = 25 °C
SHARE / CONTROL NODE Voltage vs. Case Temperature
VIN = 48 V VOUT = 48 V
6.5
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
IOUT: 5.21 A
IOUT: 10.42 A
Figure 17: Typical SHARE / CONTROL NODE Voltage vs. T_CASE and
I_OUT; V_IN = 48 V, V_OUT =48 V
- 22 -
Rev. 1.0
11/2012