DC-DC CONVERTERS DVC251 1 3 7 - 2 5 2 W AT T S D C / D C C O N V E R T E R FEATURES • • • • • • • • • • • Designed for rugged environment Rugged construciton / potted device Protection against harsh conditions DC/DC wide range input Filtered against input transients Input-Output galvanic seperation 1.5kV Designed to EN60950, EN1175 High efficiency Regulated output Short-circuit / No-load protection Over temperature protection SPECIFICATIONS ENVIRONMENT INPUT Input range Transient over voltage (20ms, one time) Reverse polarity protection 12VDC 10-20VDC 24VDC 17-40VDC model dependant 36VDC 25-70VDC model dependant 48VDC 33-90VDC 110VDC 56-154VDC 25-35V @ 12VDC 50-52V @ 24VDC model dependant 80-90V @ 36VDC model dependant 100-110V @ 48VDC model dependant 220V @ 110VDC External input fuse is blown OUTPUT Output voltage See table Output current Output voltage tolerance Load regulation static See table ±3% @ 5VDC model ±1% @ 12-24VDC models ±1.5% typical model dependant 0-100% load ≤0.5ms, ≤1ms for DVC251 Regulation time Line regulation Temperature drift Ripple & noise Over voltage protection Efficiency 100 ±0.1% 0.2% typ 0 - 60°C 0.5% typ -25 - 60°C 100mVp-p Protective shut down, self reset after cool down 85-92% model dependant Ambient temperature Storage temperature Over temperature protection Humidity Cooling -40°C - 75°C without power derating, Max baseplate temperature 100°C -40°C - 85°C Protective shut down, self reset after cool down 100% relative humidity, dewing permitted Natural convection / cooling via contact to mounting surface STANDARDS Safety Designed to meet EN60950, EN1175 Protective degree IP67 (not connector) Insulation Input to output: 1.5kV, 500V for 12/24 models Input to case: 1.5kV, 500V for 12/24 models Output to case: 500V Designed to meet EN55011 Class B, EN61000-6-2 EMC MECHANICAL Case size & weight DVC75: 110 x 68 x 38mm, 450g DVC125/150: 156 x 85 x 40mm, 1000g DVC251: 153 x131 x 50mm, 950g DVC500: 222 x 16 x 50mm, 2750g OPTIONS Custom device Individual cable loom, alternative input / output voltages Version with “E” mark (E1approval) for road vehicle Variants for railway applications DOC. NO. PBC9 REV.C 28-4-11 DVC251 SELECTION TABLE TYPE INPUT VOLTAGE OUTPUT VOLTAGE OUTPUT CURRENT *) CAT. NO. DVC251-12-12 12VDC (10-20VDC) 12.5VDC 11A 105120 DVC251-12-24 12VDC (10-20VDC) 24VDC 7A 105121 DVC251-24-12 24VDC (19-45VDC) 12.5VDC 18A 105122 DVC251-24-24 24VDC (19-45VDC) 24VDC 9.5A 105123 DVC251-36-12 36VDC (25-80VDC) 12.5VDC 20A 105128 DVC251-36-24 36VDC (25-80VDC) 24VDC 10.5A 105129 DVC251-48-12 48VDC (34-100VDC) 12.5VDC 20A 105124 DVC251-48-24 48VDC (32-100VDC) 24VDC 10.5A 105125 DVC251-80-12 72/80/96/110VDC (56-154VDC) 12.5VDC 20A 105126 DVC251-80-13.8 72/80/96/110VDC (56-154VDC) 13.8VDC 18A 105130 DVC251-80-24 72/80/96/110VDC (56-154VDC) 24VDC 10.5A 105127 INPUT VOLTAGE OUTPUT VOLTAGE OUTPUT CURRENT CAT. NO. 12VDC (8,5-20VDC) 24VDC (19-45VDC) 24VDC (17-40VDC) 24VDC 20VDC 24VDC 6A 11A 8A 105131 105132 105133 DC-DC CONVERTERS 1 3 7 - 2 5 2 W AT T S D C / D C C O N V E R T E R VERSION EUT: EXTENDED HOLD-UP TIME TYPE NOM. DVC251-EUT-12-24 DVC251-EUT-24-20 DVC251-EUT-24-24 TECHNICAL ILLUSTRATION Doc. No. PBC9 Rev.C 28-4-11 Powering Progress – www.powerbox.com.au 101