1
Input
VWS SERIES - 150 WATT
VWS DC/DC converters are direct replacement
converters for the industry standard, full brick. 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. The VWS converters use 100% surface-
mount construction, along with planar magnetics, and are
fully compatible with production board-washing processes.
150W Standard Full Brick
Industry Standard Footprint
Open-Frame Packaging
100°C Baseplate Operation
Planar Magnetics
Superior Transient
Response
1500V Isolation
VWB Booster Modules
Available
DESCRIPTION
FEATURES
TECHNICAL SPECIFICATIONS
Voltage Range
24 VDC Nominal
48 VDC Nominal
Input Reflected Ripple Current
Undervoltage Lockout - Turn ON / Turn OFF 17 VDC/15 VDC, 35 VDC/32 VDC
18 - 36 VDC
36 - 72 VDC
500 mA Pk-Pk
Setpoint Accuracy
Line Regulation VinMin. - VinMax., IoutRated
±1%
0.2%
Vout
Load Regulation IoutMin. - IoutMax., VinNom.
Remote Sense Headroom
Minimum Output Current
Dynamic Regulation, Loadstep
Pk Deviation
Settling Time
Voltage Trim Range
Current Limit threshold Range, % of IoutRated
0.5% Vout
0.5 VDC
10 % Iout Rated
25% Iout
8% Vout
500 ms
±10%
110 - 140%
Output
Notes
MTBF predictions may vary slightly from model to model.
Industrial temp range available
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.
Units are water-washable and fully compatible with commercial spray or
immersion post wave-solder washing equipment.
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)
10 ms
Positive Logic
VinNegative
500 kHz
1500 VDC
1050 VDC
500 VDC
0.03 %/°C
-40°C To +100°C
-40°C To +125°C
105°C - 115°C
5 g, 10 - 55 Hz
Consult
Factory
Safety
Weight (Approx.)
UL, cUL, TUV
6.0 oz
General
VWS150ZH-A
60
65
70
75
80
85
90
10
20
30
40
50
LOAD %
60
70
80
90
100
E
EFF. (36v)
EFF. (48v)
EFF. (72v)
VWS150YJ-A
70
75
80
85
90
95
10
20
30
40
50
60
70
80
90
100
LOAD %
E
EFF. (18v)
EFF. (24v)
EFF. (36v)
Efficiency vs. Load (24V Input)
Efficiency vs. Load (48V Input)
REV. 08/01