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DVC251 SERIES DC/DC Converters - DVC 251

Features
  • 137W - 252W Automotive Converter
  • Designed for use in rough environment
  • Rugged construction / potted device
  • Protection against unfavourable environmental conditions
  • DC/DC wide range input
  • Filtered against vehicle on-board disturbances
  • Galvanic separation 1.5kV
  • Design acc. to EN60950. EN50155. EN1175. ISO20898
  • Regulated output
  • very high efficiency
  • Short-circuit / No-load protection
  • Over Temperature protection
  • Parallel connectable (Option: Smart output characteristics)
Specification Sheet Make a Sales Enquiry

DC/DC Converters - DVC 251

Product Overview

DVC 251 SERIES DC/DC Automotive Converter

Designed for use in rough environment Rugged construction / potted device Protection against unfavourable environmental conditions DC/DC wide range input Filtered against vehicle on-board disturbances Galvanic separation 1,5kV (500V at 12/24VDC input voltage) Design acc. to EN60950, EN50155, EN1175, ISO20898 Regulated output, high efficiency Short-circuit / No-load protection Over Temperature protection Parallel connectable.

Options (on request):

- Customized devices (e.g. individual cable loom, alternative input and output voltages etc.)

- Variants for railway applications

Specifications

INPUT
Input Voltage 12Vdc, 24Vdc, 48Vdc, 110Vdc
Input range See selection table, model dependent
output
Output voltage See Selection Table.
Output current See Selection Table.
Output voltage tolerance ±3% @ 5VDC model 1% @ 12-24VDC models
Load regulation static ±1.5% typical model dependant. 0-100% load
Regulation time ≤0.5ms,≤1ms for DVC251
Line regulation ±0.1%
Temperature drift 0.2% typ 0 - 60°C 0.5% typ -25 - 60°C
Ripple & noise 100mVp-p
Efficiency 85-92% model dependant/td>
Parallel Operation

For increased output power

- Unlimited connectable in parallel, no additional control cable needed

- Smart output regulation for optimized DC current distribution

- For a 100% redundancy, an external diode is required
Serial Connection

For higher output voltages

- Serial connectable (of up to max 4 units
STANDARDS AND APPROVALS
Safety Designed to meet EN60950, EN1175
EMC Designed to meet EN55011
Class B, EN61000-6-2

PROTECTION
Over voltage protection Protective shut down, self reset after cool down.
Protective degree IP67 (not connector)
Insulation Input to case: 1.5kV, 500V for
12/24 models
Output to case: 500V.
Transient over voltage 25-35V @ 12VDC< 50-52V @ 24VDC model dependant 80-90V @ 36VDC model dependant 100-110V @ 48VDC model dependant 220V @ 110VDC
Reverse polarity protection External input fuse is blown.
Over temperature Protection Protective shut down, self reset after cool down.
ENVIRONMENT
Ambient temperature -40°C - 75°C without power derating, Max baseplate temperature 100°C
Storage temperature -40°C - 85°C
Humidity 100% relative humidity, dewing permitted.
Cooling Natural convection / cooling via contact to mounting surface.
MECHANICAL
Connectors 10cm cable with 6-pole AP connector MATE-N-LOK.  (Different cable/connector possible on customer request).
Dimensions 153 x131 x 50mm
Weight 1500g
Case Material Aluminium

Selection Table

MODEL

INPUT

VOLTAGE

 

OUTPUT

VOLTAGE

 

OUTPUT

CURRENT 

 

POWER
DVC251-12-12 12VDC (10-20V) 12.5V 11A 137W
DVC251-12-24 12VDC (10-20V) 24V 7A 168W
DVC251-24-12 24VDC (19-45V) 12.5V 18A 225W
DVC251-24-24 24VDC (19-45V) 24V 9.5A 228W
DVC251-36-12 36VDC (25-80V) 12.5V 20A 250W
DVC251-36-24 36VDC (25-80V) 24V 10.5A 252W
DVC251-48-12 48VDC (34-100V) 12.5V 20A 250W
DVC251-48-24 48VDC (32-100V) 24V 10.5A 252W
DVC251-80-12 72/80/96/110VDC (56-154V) 12.5V 20A 250W
DVC251-80-13.8 72/80/96/110VDC (56-154V) 13.8V 18A 248W
DVC251-80-24 72/80/96/110VDC (56-154V) 24V 10.5A 252W

Technical Illustration

  • DVC 251 DVC 251
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