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参数资料
| 型号： | VWS250YK-A |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 300 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 1/2页 |
| 文件大小： | 71K |
| 代理商： | VWS250YK-A |
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Single-Output, 300 Watts
VWS300 DC-DC Series Data Sheet
REV. APR 16, 2004
VWS DC/DC converters are industry-standard full-bricks.
Featuring a fixed frequency design, the VWS offers
excellent transient response and predictable EMI performance. The VWS can be combined with VWB booster modules
to provide increased power. VWS converters use 100% surface-mount construction, along with planar magnetics, and
are fully compatible with production board washing processes.
Description
Features
300W standard full-brick
Industry-standard footprint
Open-frame packaging
100°C baseplate operation
Planar magnetics
Superior transient response
1500V isolation
VWB booster modules available
Technical Specifications
Voltage Range
24 VDC Nominal
18 - 36 VDC
48 VDC Nominal
36 - 72 VDC
Input Reflected Ripple Current
50 mA Pk-Pk
Undervoltage Lockout - Turn on / Turn off
17-15 VDC /35-32 VDC
Input
Output
Setpoint Accuracy
±1%
Line Regulation Vin min. - Vin max., Iout rated
0.2% Vout
Load Regulation Iout min. - Iout max., Vin nom.
0.2% Vout
Remote Sense Headroom
0.5 VDC
Minimum Output Current
10 % Iout Rated
Dynamic Regulation, Loadstep
25% Iout
Pk Deviation
4% Vout
Settling Time
500 ms
Voltage Trim Range
±10%
Current Limit Threshold Range, % of Iout Rated
110 - 140%
OVP Trip Range
120 - 140% Vout Nom.
OVP Type
Self Recovering
Short Circuit/Overcurrent Protection
Shutdown/Hiccup
Turn-On Time
10 ms
Remote Shutdown
Positive Logic
Remote Shutdown Reference
Vin Negative
Switching Frequency
500 kHz
Isolation
Input - Output
1500 VDC
Input - Case
1050 VDC
Output - Case
500 VDC
Temperature Coefficient
0.03 %/°C
Case Temperature
Operating Range
-40 To +100°C
Storage Range
-40 To +125°C
Thermal Shutdown Range
105 - 115°C
Vibration, 3 Axes, 5 Min Each
5 g, 10 - 55 Hz
MTBF (Bellcore TR-NWT-000332)
Consult Factory
Safety
UL, cUL, TUV
Weight (Approx.)
6.0 oz
General
MTBF predictions may vary slightly from model to model.
Specifications typically at 25°C, normal line, and full load, unless
otherwise stated.
Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with
commercial wave-soldering equipment.
Safety: Agency approvals may vary from model to model. Please consult
factory for specific model information.
Notes
75
80
85
90
10
20
30
40
50
60
70
80
90 100
LOAD %
EFFICIENCY
%
EFF. (36v)
EFF. (48v)
EFF. (75v)
Efficiency vs. Load (48V Input)
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