PRD48BF480T400A00 Datasheet, PDF (11/22 Pages) Vicor Corporation – PRM™ Regulator

Not Recommended for New Designs
PRM48BF480T400A00
(Formerly VIP0001TFJ)
Efficiency & Power Dissipation
V_OUT = 55 V T_CASE = 100 ºC
98
18
96
94
16
92
90
14
88
86
12
84
82
10
80
78
8
76
74
6
72
70
4
0
1
2
3
4
5
6
7
8
9
Load Current [A]
V_IN:
38
45
55
38
45
55
Figure 11 – Total efficiency and power dissipation vs. V_IN
and I_OUT, V_OUT = 55 V, T_CASE = 100ºC
Figure 13 – Typical output voltage ripple waveform, T_CASE =
30ºC, V_IN = 45 V, V_OUT = 48 V, I_OUT = 8.33 A, no external
capacitance.
V_PR vs. Case Temperature
V_IN = 45 V; V_OUT = 48 V
6.5
6 _6.16
5.5
6.20
6.04
5
4.5 _4.70
4
-40 -20
I_OUT:
4.70
4.52
0
20
40
60
Temperature [ºC]
80 100
4.17
8.33
Figure 12 – Typical control node voltage vs. T_CASE, I_OUT;
V_IN = 45 V, V_OUT = 48 V
Powertrain switching frequency and periodic
output charge vs. input voltage - Full load
1025
1000
f_sw
36
32
975
28
950
24
925
20
900
16
875
C
12
850
8
825
4
800
0
38 40 42 44 46 48 50 52 54 56
V_OUT
Input Voltage [V]
55
20
48
55
20
48
Figure 14 – Powertrain switching frequency and periodic
output charge vs. V_IN, V_OUT; I_OUT = 8.33 A
Powertrain switching frequency and periodic
input charge vs. input voltage - Full load
1025
1000
f_sw
36
32
975
28
950
24
925
20
900
16
875
12
C
850
8
825
4
800
0
38 40 42 44 46 48 50 52 54 56
V_OUT
Input Voltage [V]
55
20
48
55
20
48
Figure 15 – Powertrain switching frequency and periodic
input charge vs. V_IN, V_OUT; I_OUT = 8.33 A
DC Safe Operating Area
10.42
400
8.33
320
6.25
240
4.17
160
2.08
80
0.00
0
5 10 15 20 25 30 35 40 45 50 55 60
Output Voltage [V]
Current
Power
Figure 16 – DC Output Safe Operating Area
V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
Rev. 1.2
07 / 2012
Page 11 of 22