参数资料
型号: VTM48EF120M025A00
厂商: Vicor Corporation
文件页数: 5/18页
文件大小: 0K
描述: VTM CURRENT MULTIPLIER 12V 25A
应用说明: Factorized Power Architecture and V-I Chips
标准包装: 1
系列: V-I Chip™, VTM™
类型: 变压模块
输出数: 1
电压 - 输入(最小): 26V
电压 - 输入(最大): 55V
输出电压: 12V
电流 - 输出(最大): 25A
电源(瓦) - 制造商系列: 300W
电压 - 隔离: 2.25kV(2250V)
应用: 商用
特点: 具有远程开/关功能
安装类型: 表面贴装
封装/外壳: 模块
尺寸/尺寸: 1.28" L x 0.87" W x 0.26" H(32.5mm x 22.0mm x 6.7mm)
包装: 托盘
工作温度: -55°C ~ 125°C
效率: 96%
电源(瓦特)- 最大: 300W
重量: 0.033 磅(14.97g)
VTM 48 E x 120 y 025A00
5.0 APPLICATION CHARACTERISTICS
The following values, typical of an application environment, are collected at T C = 25oC unless otherwise noted. See associated figures
for general trend data.
ATTRIBUTE
No load power dissipation
Efficiency (ambient)
Efficiency (hot)
Output resistance (cold)
Output resistance (ambient)
Output resistance (hot)
Output voltage ripple
V OUT transient (positive)
V OUT transient (negative)
SYMBOL
P NL
η AMB
η HOT
R OUT _ COLD
R OUT _ AMB
R OUT _ HOT
V OUT _ PP
V OUT _ TRAN +
V OUT _ TRAN -
CONDITIONS / NOTES
V IN = 48 V, PC enabled
V IN = 48 V, I OUT = 25 A
V IN = 48 V, I OUT = 25 A, T C = 100oC
V IN = 48 V, I OUT = 25 A, T C = -40oC
V IN = 48 V, I OUT = 25 A
V IN = 48 V, I OUT = 25 A, T C = 100oC
C OUT = 0 F, I OUT = 25 A, V IN = 48 V,
20 MHz BW, Section 12
I OUT _ STEP = 0 A TO 25A, V IN = 48 V,
I SLEW = 23 A /us
I OUT _ STEP = 25 A to 0 A, V IN = 48 V
I SLEW = 91 A /us
TYP
5.1
96.0
95.6
7.4
9.4
11.7
198
650
310
UNIT
W
%
%
m Ω
m Ω
m Ω
mV
mV
mV
11
9
7
5
3
1
No Load Power Dissipation vs. Line
Full Load Efficiency vs. Case Temperature
100
98
96
94
92
90
26
29
32
35
38
41
43
46
49
52
55
-40
-20
0
20
40
60
80
100
Input Voltage (V)
Case Temperature (°C)
T CASE :
-40°C
25°C
100°C
V IN :
26 V
48 V
55 V
Figure 1 – No load power dissipation vs. V IN
Efficiency & Power Dissipation -40°C Case
Figure 2 – Full load efficiency vs. temperature
Efficiency & Power Dissipation 25°C Case
100
96
50
45
100
96
32
28
92
88
84
80
76
72
68
64
60
η
P D
40
35
30
25
20
15
10
5
0
92
88
84
80
76
72
68
η
P D
24
20
16
12
8
4
0
0.0
2.5
5.0
7.5
10.0 12.5 15.0 17.5 20.0 22.5 25.0
0.0
2.5
5.0
7.5
10.0 12.5 15.0 17.5 20.0 22.5 25.0
Load Current (A)
Load Current (A)
V IN :
26 V
48 V
55 V
26 V
48 V
55 V
V IN :
26 V
48 V
55 V
26 V
48 V
55 V
Figure 3 – Efficiency and power dissipation at –40°C
Figure 4 – Efficiency and power dissipation at 25°C
Rev. 3.1
V?I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
2/2011
Page 5 of 18
v i c o r p o w e r. c o m
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