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| 型号： | VTM48ET120T025A00 |
| 厂商： | Vicor Corporation |
| 文件页数： | 2/18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： | 通孔 |
| 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： | -40°C ~ 125°C |
| 效率： | 96% |
| 电源（瓦特）- 最大： | 300W |
| 重量： | 0.033 磅（14.97g） |
| 其它名称： | 1102-1173 VTM48ET120T025A00-ND |
VTM 48 E x 120 y 025A00
1.0 ABSOLUTE MAXIMUM VOLTAGE RATINGS
The absolute maximum ratings below are stress ratings only. Operation at or beyond these maximum ratings can cause permanent
damage to the device.
+ IN to - IN . . . . . . . . . . . . . . . . . . . . . . .
PC to - IN . . . . . . . . . . . . . . . . . . . . . . . .
TM to -IN . . . . . . . . . . . . . . . . . . . . . . . .
MIN
-1.0
-0.3
-0.3
MAX
60
20
7
UNIT
V DC
V DC
V DC
+ IN / - IN to + OUT / - OUT (hipot) ........
+ IN / - IN to + OUT / - OUT (working) ...
MIN
MAX
2250
60
UNIT
V DC
V DC
VC to - IN . . . . . . . . . . . . . . . . . . . . . . . .
-0.3
20
V DC
+ OUT to - OUT .......................................
-1.0
16
V DC
2.0 ELECTRICAL CHARACTERISTICS
Specifications apply over all line and load conditions unless otherwise noted; Boldface specifications apply over the temperature
range of -40°C < T J < 125°C (T-Grade) ; All other specifications are at T J = 25oC unless otherwise noted.
ATTRIBUTE
Input voltage range
SYMBOL
V IN
CONDITIONS / NOTES
No external VC applied
VC applied
MIN
26
0
TYP
MAX
55
55
UNIT
V DC
V IN slew rate
dV IN /dt
1
V/μs
V IN UV turn off
V IN _ UV
Module latched shutdown,
No external VC applied, I OUT = 25A
24
26
V
V IN = 48 V
3
15
No Load power dissipation
P NL
V IN = 26 V to 55 V
V IN = 48 V, T C = 25oC
5.3
17
6.5
W
V IN = 26 V to 55 V, T C = 25oC
9
Inrush current peak
DC input current
Transfer ratio
Output voltage
Output current (average)
Output current (peak)
Output power (average)
I INRP
I IN _ DC
K
V OUT
I OUT _ AVG
I OUT _ PK
P OUT _ AVG
VC enable, V IN = 48 V, C OUT = 1000 μF,
R LOAD = 471 m Ω
K = V OUT / V IN , I OUT = 0 A
V OUT = V IN ? K - I OUT ? R OUT , Section 11
T PEAK < 10 ms, I OUT _ AVG ≤ 25 A
I OUT _ AVG ≤ 25 A
10
1/4
20
7
25
37.5
300
A
A
V/V
V
A
A
W
Efficiency (ambient)
η AMB
V IN = 48 V, I OUT = 25 A
V IN = 26 V to 55 V, I OUT = 25 A
95.0
93.5
96.0
%
Efficiency (hot)
Efficiency (over load range)
Output resistance (cold)
Output resistance (ambient)
Output resistance (hot)
η HOT
η 20%
R OUT _ COLD
R OUT _ AMB
R OUT _ HOT
V IN = 48 V, I OUT = 12.5 A
V IN = 48 V, T C = 100°C, I OUT = 25 A
5 A < I OUT < 25 A
T C = -40°C, I OUT = 25 A
T C = 25°C, I OUT = 25 A
T C = 100°C, I OUT = 25 A
94.5
94.5
80
4.9
6.3
8.8
95.5
95.6
6.7
9.0
11.5
9.0
13.4
14.0
%
%
m Ω
m Ω
m Ω
Switching frequency
Output ripple frequency
Output voltage ripple
F SW
F SW _ RP
V OUT _ PP
C OUT = 0 F, I OUT = 25 A, V IN = 48 V,
20 MHz BW, Section 12
1.85
3.70
1.95
3.90
150
2.05
4.10
285
MHz
MHz
mV
Output inductance (parasitic)
Output capacitance (internal)
Output capacitance (external)
L OUT _ PAR
C OUT _ INT
C OUT _ EXT
Frequency up to 30 MHz,
Simulated J-lead model
Effective Value at 12 V OUT
VTM Standalone Operation.
V IN pre-applied, VC enable
600
47
1000
pH
μF
μF
PROTECTION
Overvoltage lockout
Overvoltage lockout
response time constant
Output overcurrent trip
V IN _ OVLO +
T OVLO
I OCP
Module latched shutdown
Effective internal RC filter
55.1
26
58.5
8
39
60
55
V
μs
A
Short circuit protection trip current
I SCP
26
A
Output overcurrent
response time constant
Short circuit protection response time
T OCP
T SCP
Effective internal RC filter (Integrative).
From detection to cessation
of switching (Instantaneous)
5.3
1
ms
μs
Thermal shutdown setpoint
T J _ OTP
125
130
135
oC
Reverse inrush current protection
Reverse Inrush protection disabled for this product
Rev. 3.1
V?I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
2/2011
Page 2 of 18
v i c o r p o w e r. c o m
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