
2
MECHANICAL DRAWING
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
Tolerances
Note:
Thermal impedance data is dependent on
many environmental factors. The exact
thermal performance should be validated for
specific application.
VWS SERIES - 300 WATT
1
2
3
4
5
6
7
8
9
-V
Gate out
Gate in
+V
in
-V
-Sense
Trim
+Sense
+V
out
Inches: (Millimeters)
.XX ± 0.020 .X ± 0.5
.XXX ± 0.010 .XX ± 0.25
Pin:
± 0.002 ± 0.05
( Dimensions as listed unless otherwise
specified.)
Pin
Function
MODELS - (See the last page of Section for options.)
V
5
6
7
8
9
1
2
3
4
DIA 0.080"
(2.0mm)
DIA 0.040"
(1.0mm)
1.700"(43.2mm)
1.000"(25.4mm)
1.400"(35.6mm)
0.400"(10.2mm)
0.700"(17.8mm)
0
(4.6mm)
0.18"
0.50"
(12.7mm)
(0.6mm)
0.025" REF.
-0.50"(-12.7mm)
-0.300"(-7.6mm)
4.60"
(116.8mm)
2.40"
(61.0mm)
MOUNTING INSERTS
M3X.5 THROUGH 4PL
BOTTOM VIEW
0
-0.19"
(-4.8mm)
4.200"
(106.7mm)
Vin
(Volts)
Vin Range
(Volts)
Iin Max.*
(Amps)
Vout
(Volts)
Iout Rated
(Amps)
Ripple & Noise
Pk-Pk (mV)
Efficiency
Typ. **
Model
24
24
24
24
24
48
48
48
48
18 - 36
18 - 36
18 - 36
18 - 36
18 - 36
36 - 72
36 - 72
36 - 72
36 - 72
21.0
21.0
21.0
21.0
21.0
10.5
10.5
10.5
10.5
12
15
24
28
48
12
15
24
28
20.8
16.7
10.4
8.9
5.2
25.0
20.0
12.5
10.7
120
150
200
200
200
120
150
200
200
81%
81%
82%
82%
84%
85%
84%
85%
86%
VWS250YH-A
VWS250YJ-A
VWS250YK-A
VWS250Y28-A
VWS250YL-A
VWS300ZH-A
VWS300ZJ-A
VWS300ZK-A
VWS300Z28-A
Denotes advanced product release. Consult factory for product availability.
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.