VWS150 DC-DC Series Data Sheet
Single-Output, 150 Watts
Features
•
•
•
•
•
•
Description
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. VWS converters use 100% surface-
mount construction, along with planar magnetics, and are
fully compatible with production board washing processes.
Technical Specifications
Input
Voltage Range
24 VDC Nominal
18 - 36 VDC
48 VDC Nominal
36 - 72 VDC
Input Reflected Ripple Current
500 mA Pk-Pk
Undervoltage Lockout - Turn ON / Turn OFF 17 VDC/15 VDC, 35 VDC/32 VDC
150W standard full brick
• Planar magnetics
Industry-standard footprint
• 1500V isolation
Open-frame packaging
100°C baseplate operation
Excellent transient response
VWB booster modules available
Efficiency vs. Load (24V Input)
95
90
85
VWS150YJ-A
80
75
70
10
20
30
40
50
60
70
80
90
100
LOAD %
EFF. (18v)
EFF. (24v)
EFF. (36v)
Efficiency vs. Load (48V Input)
90
85
80
75
70
65
60
10
20
30
40
50
60
70
80
90
100
LOAD %
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
±1%
0.2%
Vout
0.5% Vout
0.5 VDC
10 % Iout Rated
25% Iout
8% Vout
500 µs
±10%
110 - 140%
EFFICIENCY %
VWS150ZH-A
EFF. (36v)
EFF. (48v)
EFF. (72v)
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.)
10 ms
Positive Logic
Vin Negative
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
UL, cUL, TUV
6.0 oz
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.
REV. APR 16, 2004
Page 1 of 2
VWS150 DC-DC Series Data Sheet
Single-Output, 150 Watts
Model Selection
MODEL
INPUT VOLTAGE
(VOLTS)
INPUT VOLTAGE
RANGE (VOLTS)
MAXIMUM INPUT
CURRENT (AMPS)*
OUTPUT
VOLTAGE (VOLTS)
RATED OUTPUT
CURRENT (AMPS)
RIPPLE & NOISE
pk-pk (mV)
TYPICAL
EFFICIENCY**
VWS150YG-A
VWS150YH-A
VWS150YJ-A
VWS150YK-A
VWS150ZG-A
VWS150ZH-A
VWS150ZJ-A
VWS150ZK-A
NOTES:
24
24
24
24
48
48
48
48
18-36
18-36
18-36
18-36
36-72
36-72
36-72
36-72
11.0
11.0
11.0
11.0
5.5
5.5
5.5
5.5
5
12
15
24
5
12
15
24
30.0
12.5
10.0
6.25
30.0
12.5
10.0
6.25
50
120
150
200
50
120
150
200
81%
85%
88%
88%
79%
85%
85%
86%
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
Model numbers highlighted in yellow or shaded are not recommended for new designs.
Mechanical Drawing
MOUNTING INSERTS
M3X.5 THROUGH 4PL
4.60"
(116.8mm)
0.18"
(4.6mm)
1.700"(43.2mm)
1
2
2.40"
(61.0mm)
3
4
5
6
1.400"(35.6mm)
1.000"(25.4mm)
0.700"(17.8mm)
0.400"(10.2mm)
0
-0.300"(-7.6mm)
-0.50"(-12.7mm)
-0.19" 0
(-4.8mm)
4.200"
(106.7mm)
DIA 0.040"
(1.0mm)
7PL
DIA 0.080"
(2.0mm)
2PL
BOTTOM VIEW
7
8
9
0.025" REF.
(0.6mm)
Thermal Impedance
Natural Convection
100 LFM
200 LFM
300 LFM
400 LFM
5.4 °C/W
3.8 °C/W
2.5 °C/W
1.7 °C/W
1.6 °C/W
Pin
1
2
3
4
5
6
7
8
9
Function
-Vin
Gate Out
Gate In
+Vin
-Vout
-Sense
Trim
+Sense
+Vout
Inches:
.XX ± .020
.XXX ± .010
Pin:
± .002
Tolerances
(Millimeters)
.X ± 0.5
.XX ± .25
Note:
Thermal impedance data is
dependent on many environmental
factors. The exact thermal
performance should be validated
for specific application.
REV. APR 16, 2004
VWS
0.50"
(12.7mm)
± .05
(Dimensions as listed unless
otherwise specified.)
Page 2 of 2
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