The VSX60 Series are dual output
converters with 18-36V and 36-75V
input models with 3.3Vdc and 5Vdc
outputs. The industry quarter-pak size of
2.3" x 1.5" x 0.5" coupled with 90%
efficiency is an industry high-density
breakthrough.
These converters utilize Vx high density
technology. This technology has been
featured in our highly efficient VKP and
VKA series now successfully in use
worldwide. The very high 90%
efficiency minimizes the requirement for
heat-sinking and the low output ripple
minimizes the need for additional
filtering. For maximum flexibility, power
can be traded between outputs as
required. The VSX60 series feature
virtually all of the options required by
design engineers but not at the
competition’s typical additional price
for each option. This multitude of
features are standard on the VSX60
series.
ADDITIONAL INFORMATION
See Application Note DCAN-40
at www.cdpowerelectronics.com
ABSOLUTE MAXIMUM RATINGS
PARAMETERSYMBOLMINMAXUNIT
Input Voltage:
VSX60LD35Vi 100V d c
VSX60MD35Vi36 75Vd c
I/O Isolation Voltage1500Vdc
I/P to case1500Vdc
O/P to case 200Vdc
Operating Case Temperature T-40 100°C
Product: www.cdpowerelectronics.com
VSX60MD23 REV D 5/02
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Page 2
SPECIFICATIONS, ALL MODELS
Specifications are at T
PARAMETERSYMBOLMINTYPMAXUNITS
Operating Input Voltage
VSX60LD Vi1824 36VDC
VSX60MD Vi3648 75VDC
Maximum Input Current
(Vi=0V to Vi max, Io=Io max)
VSX60LD Ii max 5.0A
INPUT
VSX60MD Ii max 2.25A
I/P Reflected Ripple Current400mA p-p
No Load Input Current IiNL50mA
On/Off Activated Input Current IiQ17mA
PARAMETERSYMBOLMINTYPMAXUNITS
Output voltage
( Over all conditions of I/P voltage, load
and temperature)
3.3 Vout (V2)3.3 Vo3.2 _3.4Vdc
5.0 Vout (V1)5.0 Vo4.8 _5.2Vdc
Output Voltage Setpoint
(Vi=48, Io3=9A, Io5=6A, Tc=25°C)
3.3 Vout (V2)3.3 Vo,set3.263.303.34Vd c
5.0 Vout (V1)5.0 Vo,set4.965.025.08Vd c
Output Ripple and Noise Voltage
(peak-to-peak, 100 MHz BW)
3.3 Vout (V2)_ _ _60mv p-p
5.0 Vout (V1)
Output Current
(Total module O/P power should not
exceed 60 Watts)
3.3 Vout (V2)Io
5.0 Vout (V1)Io
Output Current Limit Inception
(Vo=95% of Vo nom)
3.3 Vout (V2)Io3cli19.021.023.0A
5.0 Vout (V1)Io5cli12.513.515.0A
Output Short Ckt Current161922A
(Max impedance across short circuit = 65mΩ)
2. MATERIAL: Units are encapsulated in a low
thermal resistance molding compound which has
excellent chemical resistance and electrical
properties in high humidity environments and
over a wide operating temperature range. The
encapsulant and outer shell of the unit have
UL94V-0 ratings. Lead material is solder plated
to allow ease of solderability.
3. IMPORTANT: When utilizing the PEM nuts for
board mounting, it is required to follow guidelines
in application note DCAN-40 available on the
web at www.cdpowerelectronics.com.
0.144 (3.66)
4 PLACES
.375 (9.53)
.125 (3.18)
.125 (3.18)
.375 (9.53)
0.051 (1.30)
7 PLACES
ORDERING INFORMATION
To Find Model Number
VSX60xD35 - 1 U
Device Family
VSX60MD23 (Quarter Brick, 60 Watt DC/DC)
Where X is Input Range
L = 18-36Vdc; M = 36-75 Vdc
Logic: No Number = Preferred Logic (Negative);
1 = Optional Logic (Positive)
Package
No Letter = Encapsulated; U = Unencapsulated
Power Electronics Division, United States
3400 E Britannia Drive, Tucson, Arizona 85706
Tel: 800.547.2537 Fax: 520.295.4160
Any data, prices, descriptions or specifications presented herein are subject to revision by C&D Technologies, Inc. without notice. While such information is believed to
be accurate as indicated herein, C&D Technologies, Inc. makes no warranty and hereby disclaims all warranties, express or implied, with regard to the accuracy or
completeness of such information. Further, because the product(s) featured herein may be used under conditions beyond its control, C&D Technologies, Inc. hereby
disclaims all warranties, either express or implied, concerning the fitness or suitability of such product(s) for any particular use or in any specific application or arising
from any course of dealing or usage of trade. The user is solely responsible for determining the suitability of the product(s) featured herein for user’s intended purpose
and in user’s specific application. C&D Technologies, Inc. does not warrant or recommend that any of its products be used in any life support or aviation or aerospace
applications.
Product: www.cdpowerelectronics.com
VSX60xD35 REV D 5/02
Tel: +44 (0)1908 615232 Fax: +44 (0)1908 617545
Model Numbers
VSX60LD35
VSX60LD35-1
VSX60MD35
VSX60MD35-U
VSX60MD35-1
VSX60MD35-1U
C&D Technologies, (NCL)
Milton Keynes MK14 5BU UK
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