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VWS250Y28-A fiches techniques PDF

Power-One - 300W Standard Full Brick

Numéro de référence VWS250Y28-A
Description 300W Standard Full Brick
Fabricant Power-One 
Logo Power-One 





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VWS250Y28-A fiche technique
(888) IPD-CONVerters G (888) 473-2668 G www.ipdconverters.com
VWS SERIES - 300 WATT
DESCRIPTION
FEATURES
VWS DC/DC converters are industry standard full
• 300W Standard Full Brick • Planar Magnetics
bricks. Featuring a fixed frequency design, the VWS • Industry Standard
offers excellent transient response and predictable EMI Footprint
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
• Open-Frame Packaging
• 100°C Baseplate
Operation
• Superior Transient
Response
• 1500V Isolation
• VWB Booster
Modules Available
with production board washing processes.
TECHNICAL SPECIFICATIONS
Input
Voltage Range
24 VDC Nominal
48 VDC Nominal
Input Reflected Ripple Current
Undervoltage Lockout - Turn on / Turn off
Output
Setpoint Accuracy
Line Regulation Vin min. - Vin max., Iout rated
Load Regulation Iout min. - Iout max., Vin nom.
Remote Sense Headroom
Minimum Output Current
Dynamic Regulation, Loadstep
Pk Deviation
Settling Time
Voltage Trim Range
Current Limit Threshold Range, % of Iout Rated
OVP Trip Range
OVP Type
Short Circuit/Overcurrent Protection
General
Turn-On Time
Remote Shutdown
Remote Shutdown Reference
Switching Frequency
Isolation
Input - Output
Input - Case
Output - Case
Temperature Coefficient
Case Temperature
Operating Range
Storage Range
Thermal Shutdown Range
Vibration, 3 Axes, 5 Min Each
MTBF(Bellcore TR-NWT-000332)
Safety
Weight (Approx.)
Rev. 08/01
18 - 36 VDC
36 - 72 VDC
50 mA Pk-Pk
17-15 VDC /35-32 VDC
±1%
0.2% Vout
0.2% Vout
0.5 VDC
10 % Iout Rated
25% Iout
4% Vout
500 µs
±10%
110 - 140%
120 - 140% Vout Nom.
Self Recovering
Shutdown/Hiccup
10 ms
Positive Logic
Vin Negative
500 kHz
1500 VDC
1050 VDC
500 VDC
0.03 %/°C
-40 To +100°C
-40 To +125°C
105 - 115°C
5 g, 10 - 55 Hz
Consult Factory
UL, CUL, TUV
6.0 oz
1
Efficiency vs. Load (48V Input)
90
85
EFF. (36v)
80
EFF. (48v)
EFF. (75v)
75
10 20 30 40 50 60 70 80 90 100
LOAD %
Notes
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.

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