DVHF+2800T Series
HIGH RELIABILITY HYBRID
DC-DC CONVERTERS
DESCRIPTION
FEATURES
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High Reliability
Very Low Output Noise
The DVHF series of high reliability DC-DC converters
is operable over the full military (-55 °C to +125 °C)
temperature range with no power derating. Unique
to the DVHF series are robust and effective input and
output filters which provide dramatically reduced
input and output noise performance when compared
to other manufacturers competing devices.
Operating at a nominal fixed frequency of 325 kHz,
per stage, these regulated, isolated units utilize a
high speed magnetic feedback design and well
controlled undervoltage lockout circuitry to eliminate
slow start-up problems.
Wide Input Voltage Range: 15 to 50 Volts per
MIL-STD-704
Up to 15 Watts Output Power
Fault Tolerant Magnetic Feedback Circuit
NO Use of Optoisolators
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Undervoltage Lockout
Indefinite Short Circuit Protection
Current Limit Protection
Industry Standard Pinout
High Input Transient Voltage: 80 Volts for 1 sec
per MIL-STD-704A
Precision Projection Welded Hermetic Package
High Power Density: > 37 W/in3
Custom Versions Available
These converters are designed and manufactured in
a facility qualified to ISO9001 and certified to MIL-
PRF-38534 and MIL-STD-883.
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Additional Environmental Screening Available
Meets MIL-STD-461 Revisions C, D, E and F
EMC Requirements When Used With VPT’s
EMI Filters
This product may incorporate one or more of the
following U.S. patents:
5,784,266
5,790,389
5,963,438
5,999,433
6,005,780
6,084,792
6,118,673
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Flanged and Non-flanged Versions Available.
MIL-PRF-38534 Element Evaluated
Components
Figure 1 – DVHF+2800T / DVHF+2800TF DC-DC Converter
(Exact marking may differ from that shown)
Sales Information:
Phone: (425) 353-3010
Fax: (425) 353-4030
E-mail: vptsales@vpt-inc.com
DVHF+2800T-5.0
http://www.vpt-inc.com
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