DC/DC-Converters
739-200 – isolated DC/DC converter 24 VDC to 200 VDC by Demke Electronic

739-200 | Galvanically isolated DC/DC buck-boost converter 24 VDC to 200 VDC, 600 W

DC-Converter 739-200

SKU: 739.004
BTO – build to order / manufactured on request
Lifecycle: BTO – Built to order

The 739-200 by Demke Electronic is a galvanically isolated DC/DC buck-boost converter for a nominal input voltage of 24 VDC. It operates across an input voltage range of 18 to 36 VDC and delivers 200 VDC at up to 3 A, equivalent to 600 W of output power. Efficiency reaches up to95% at nominal input voltage and full load.

CC/CViConstant-current/constant-voltage control, e.g. for charging applications.Parallel operation / active loadsInput and output EMI filterNo power deratingNo-load and short-circuit proof
Input voltage Vin18…36 VDC
Output voltage Vout200 VDC
Output current Iout3 A
Output power Pout600 W
Efficiencyup to 95 %
Technical Documentation
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Product Description: DC-Converter 739-200

Our high-performance galvanically isolated DC/DC step-up and step-down converter converts voltages from 24V to 200V with an output of 600W. Thanks to galvanic isolation, this device offers maximum safety and prevents unwanted current flows between the input and output circuits.

Technical Data: DC-Converter 739-200

Electrical Specifications

Input voltage Vin18…36 VDC
Nominal input voltage24 VDC
Peak input voltage38 VDC
Max. input current40 A
Recommended input fuse50 A
Output voltage Vout200 VDC
Output current Iout3 A
Output power Pout600 W
Efficiencyup to 95 %
Output configurationUnipolar
IsolationGalvanically isolated
Insulation strength primary to secondary2100 VDC
Insulation strength primary to case2100 VDC
EMI filterInput and output
Switching frequency105 kHz
Max. capacitive loadUnlimited

Mechanical Specifications

Dimensions130 × 130 × 28 mm
Weight900 g
MountingWall mounting

Standards and Certifications

CEEN 55022 < Class AEN 61000-4-2EN 61000-4-3EN 61000-4-4EN 61000-4-5EN 61000-4-6EN 61000-6-2EN 61000-6-4IEC 60068-2-6:2007IEC 60068-2-27:2009ISO 20653:2013 – IP6KXISO 20653:2013 – IPX9KREACHRoHS

Product Features

robust and climate-resistant designexcellent thermal characteristicsfull PU potting for demanding environmental conditionscontinuous no-load and short-circuit proofintegrated EMI input and output filterno power deratingCC/CV charging characteristiciConstant-current/constant-voltage control, e.g. for charging applications.for active loads, can be connected in parallelvery low input ripple and noisewide input voltage rangefor ambient temperatures from -40 °C to +85 °Cthermal shutdown at +90 °C

Applications

Battery-Powered SystemsBattery Chargers & Charging SystemsE-Mobility

Downloads and Documentation

Technical datasheetSafety instructionsTechnical drawing
We convert power for first-class projects

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