8.5 Watt UW Triple Series DC/DC Converters
Description
Features
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The 8.5 Watt Triple Output DC/DC converters are ideal for
wide(4:1)inputrangeapplications.Theseunitsareparticularly
well suited for solar powered RTUs and instruments.
Wide 4:1 Input Voltage Range (9-36 or 18-72VDC)
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Triple Low Noise, Highly Regulated Outputs
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Efficiency 70% for All Line Conditions
They are designed with a high accuracy feedback control
circuit and coupled inductor magnetics. Each converter has
both a logic shut down pin and thermal overload protection
circuitry. All outputs and the power switch are overvoltage
protected.
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No Derating to 80°C Case Temperature
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Six-Sided Shielded Low Thermal
Gradient Copper Case
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These converters are encased in a six-sided, completely
shielded copper case. The UW Triple Series is covered under
the CALEX 5 Year Warranty.
500 VDC Minimum Input to Output Isolation
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Overvoltage Protected Outputs
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Pulse by Pulse Digital Current Limiting
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Five Year Warranty
Selection Chart
Input Range
Outputs
VDC
Outputs
mA
VDC
Model
MIN
9.00
MAX
36.00
36.00
72.00
72.00
12T5.12UW
12T5.15UW
48T5.12UW
48T5.15UW
5, ±12
5, ±15
5, ±12
5, ±15
800, ±185
800, ±150
800, ±185
800, ±150
9.00
18.00
18.00
8.5WattUWTripleSeriesBlockDiagram
SHIELDED ISOLATION
TRANSFORMER
+5 OUTPUT
6
1000 µF
100 µF
100 µF
THERMAL
SHUTDOWN
+5 CMN
7
3
A
+ OUTPUT
4
5
± CMN
- OUTPUT
1
+INPUT
LC
PWM
CONTROL
INPUT
FILTER
2
8
-INPUT
FEEDBACK
AMPLIFIER
197
ON/OFF
1.5 MEG || 0.1µF
SIX-SIDED SHIELDED COPPER CASE
axFACTS:
2401 Stanwell Drive
Concord, CA 94520-4841
(510) 687-4411 • Fax (510) 687-3333
http://www.calex.com
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