DC/DC-Converters
145-12-SD – DC/DC step-down converter 80 VDC to 12 VDC by Demke Electronic

145-12-SD | DC/DC step-down converter 80 VDC to 12 VDC, 150 W

DC-Converter 145-12-SD

SKU: 145.003
MOQ – project-based / minimum order quantity possible
Lifecycle: MOQ – Available per project

The 145-12-SD by Demke Electronic is a non-isolated DC/DC step-down converter for a nominal input voltage of 80 VDC. It operates across an input voltage range of 16 to 100 VDC and delivers 12 VDC at up to 12 A, equivalent to 150 W of output power. Efficiency reaches up to95% at nominal input voltage and full load.

Input and output EMI filterNo power deratingNo-load and short-circuit proof
Input voltage Vin16…100 VDC
Output voltage Vout12 VDC
Output current Iout12 A
Output power Pout150 W
Efficiencyup to 95 %
Technical Documentation
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Product Description: DC-Converter 145-12-SD

This is the ultimate dc dc converter for 12VDC supply up to 12A. This ultra-compact DC-DC buck converter with very high power density has excellent thermal properties. Customer specific adjustments easily configurable. In the E-version, the optional reverse polarity protection diode is built in to prevent reverse flow of current during discharge from active loads like batteries.

Technical Data: DC-Converter 145-12-SD

Electrical Specifications

Input voltage Vin16…100 VDC
Nominal input voltage80 VDC
Peak input voltage125 VDC
Max. input current10 A
Recommended input fuse15 A
Output voltage Vout12 VDC
Output current Iout12 A
Output power Pout150 W
Efficiencyup to 95 %
Output configurationUnipolar
IsolationNon-isolated
EMI filterInput and output
Switching frequency150 kHz
Max. capacitive loadUnlimited

Mechanical Specifications

Dimensions77 × 52 × 19 mm
Weight165 g
MountingWall mounting
Connection typeConnector strip

Standards and Certifications

CEEN 55022 < Class AEN 61000-4-3EN 61000-4-4EN 61000-4-5EN 61000-4-6EN 61000-6-2EN 61000-6-4IEC 60068-2-6:2007IEC 60068-2-27:2009REACHRoHS

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 deratingvery low input ripple and noiseultra-wide input voltage rangefor ambient temperatures from -40 °C to +85 °Cthermal shutdown at +90 °C

Applications

Battery-Powered SystemsCable Cars & Mountain RailwaysE-MobilityMaterial Handling Vehicles

Downloads and Documentation

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

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