NBM3814X46C15A6YZZ Datasheet, PDF (12/23 Pages) Vicor Corporation – Non-Isolated, Fixed-Ratio DC-DC Converter

NBM3814x46C15A6yzz
Application Characteristics
Product is mounted and temperature controlled via top side cold plate, unless otherwise noted. All data presented in this section are collected data from high
voltage side sourced units processing power in forward direction.See associated figures for general trend data.
30
27
24
21
18
15
12
9
6
3
0
36 37 38 39 40 41 42 43 44 45 46 47
HI Side Input Voltage (V)
T : _{TOP SURFACE CASE}
-40°C
25°C
85°C
98.0
97.5
97.0
96.5
96.0
-40 -25 -10 5 20 35 50 65 80 95
Case Temperature (ºC)
V_HI:
36V
42V
46V
Figure 4 — No load power dissipation vs. V_{HI_DC}
Figure 5 — Full load efficiency vs. temperature; V_{HI_DC}
99
97
95
93
91
89
87
85
83
81
79
0
80
72
64
56
48
40
P_D
32
24
16
8
0
16 32 48 64 80 96 112 128 144 160
LO Side Output Current (A)
V_{HI_DC} :
36V
42V
46V
Figure 6 — Efficiency and power dissipation at T_CASE = -40°C
99
97
95
93
91
89
87
85
83
81
79
0
90
81
72
63
54
45
P_D
36
27
18
9
0
16 32 48 64 80 96 112 128 144 160
LO Side Output Current (A)
V_{HI_DC} :
36V
42V
46V
Figure 8 — Efficiency and power dissipation at T_CASE = 85°C
NBM^™ in a VIA Package
Page 12 of 23
Rev 1.1
05/2016
99
97
95
93
91
89
87
85
83
81
79
0
80
72
64
56
48
40
P_D
32
24
16
8
0
16 32 48 64 80 96 112 128 144 160
LO Side Output Current (A)
V_{HI_DC} :
36V
42V
46V
Figure 7 — Efficiency and power dissipation at T_CASE = 25°C
3
2
1
0
-40 -20
0
20
40
60
Case Temperature (°C)
I_{LO_DC}:
160A
80
100
Figure 9 — R_LO vs. temperature; Nominal V_{HI_DC}
I_{LO_DC} = 160A at T_CASE = 85°C
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