Specifications: Model Number PST-DC1248 (formerly PST-DU100-48) PST-DC2448 DC/DC Converter Input Voltage Range 10 VDC to 15 VDC 20 VDC to 30 VDC Input Current range Approximately 4x the output current drawn Approximately 2x the output current drawn Peak Output Power 100 Watts (1 to 5 minutes) 100 Watts (1-5 minutes) Peak Output Current 2Amps 2 Amps Continuous Current 1.5 Amps 1.5 Amps Continuous Output Power 72 Watts 72 Watts Output Voltage 48 volts DC 48VDC Output Range Adjustment Approximately 44 to 52 volts by internal pot (VR1) Approximately 44 to 52 volts by internal pot (VR1) No-Load Overhead 150 mA 150 mA Line Regulation 0.5% (± 0.12 Volts) 0.5% (± 0.12 Volts) Load Regulation 1% (± 0.20 Volts ) 1% (± 0.20 Volts ) Efficiency over 85% over 85% Topology DC Boost DC Boost Isolation Not isolated, common grounds for input and output Not isolated, common grounds for input and output Input Connection Cigarette Plug With 1 m Long Cable Cigarette Plug With 1 m Long Cable Output Connection 5.5mm/2.5mm DC Plug With 1 m Long Cable, center positive. (5.5mm/2.1mm DC plug or others available as an option.) 5.5mm/2.5mm DC Plug With 1 m Long Cable, center positive. (5.5mm/2.1mm DC plug or others available as an option.) Protections: (1) Load Input Drop Out at 9.5V DC (2) Input Polarity Protect (3) Input Fuse (4) Output Short Circuit Protect (5) Output Current Limited (6) Output Over Voltage Protect (1) Load Input Drop Out at 19V DC (2) Input Polarity Protect (3) Input Fuse (4) Output Short Circuit Protect (5) Output Current Limited 2 Amps (6) Output Over Voltage Protect 52V ± 2.6 volts Fuse size 10 Amps 10 Amps Temperature 5 to 55°C (41 to 130°F) Click here for dimensioned drawing Dimensions 40 x 150 x 43 mm 1.6 x 5.9 x 1.7 inches Weight 200 grams, 0.44 lbs Prices for the 12/48 volt and the 24/48 volt DC/DC converters dimensioned drawing Click here for dimensioned drawing Advantages: Inexpensive high current DC/DC converter stabilizes voltage in automotive applications that require 48 volts, for example the Cisco Aironet 350 Bridge. The DU100-48 DC/DC Converter can be used to provide regulated 48 volts from a sealed lead acid battery--excellent for special purpose UPS DC battery backups. High efficiency DC/DC Converter >85%.

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