. DC-DC Converters Bus Converter Power Module Type Low Profile Isolated Safety OCP OVP Remote Approvals ON/OFF CHS-series Feature High efficiency 96% (CHS7004812H) Compact DC-DC Converter,BRICK SIZ which has been standard size for Telecommunication Market High density High reliability : not built-in aluminum and tantalum electrolytic capacitor Built-in overcurrent, overvoltage and thermal protection circuits Built-in remote ON/OFF CE marking Low Voltage Directive RoHS Directive Safety agency approvals UL60950-1, C-UL, EN60950-1 (CHS60, CHS80, CHS120, CHS200, CHS300, CHS380, CHS400, CHS500) UL62368-1, C-UL, EN62368-1 (CHS700) 5-year warranty July 07, 2020 CHS-1. Ordering information DC-DC Converters Bus Converter Power Module Type CH S 60 48 3R3 -O CHS60 1 2 3 4 5 6 1 Ser ies name R 2 Single output 3 Output power 4 Input voltage 48:DC36 - 76V 5 Output voltage 3R3:3.3V 05:5.0V 12:12V 6 Optional R : with Remote ON/OFF Positive logic control U : Shut down in protection circuit working S : SMD MODEL CHS60483R3 CHS604805 CHS604812 MAX OUTPUT WATTAGE W 59.4 60.0 72.0 DC OUTPUT 3.3V 18A 5V 12A 12V 6A SPECIFICATIONS MODEL CHS60483R3 CHS604805 CHS604812 VOLTAGE V DC36 - 76 *1 INPUT CURRENT A 1.36typ 1.34typ 1.63typ *1 EFFICIENCY % 91.5typ 93.0typ 92.5typ VOLTAGE V 3.3 5 12 CURRENT A 18 12 6 LINE REGULATION mV 10max LOAD REGULATION mV 10max *2 mVrms 30max 30max 50max RIPPLE mVp-p *2 80max 100max 150max OUTPUT RIPPLE NOISE mVp-p *2 120max 150max 180max TEMPERATURE REGULATION mV 66max 100max 240max *3 DRIFT mV 16max 20max 40max START-UP TIME ms 50max (DCIN 48V, Io=100%) Fixed (TRM pin open), adjustable by external resistor OUTPUT VOLTAGE ADJUSTMENT RANGE *4 -10% / +15% -10% / +20% -20% / +10% OUTPUT VOLTAGE SETTING 1.6% OVERCURRENT PROTECTION Works over 105% of rating (Auto restart) PROTECTION OVERVOLTAGE PROTECTION 120% - 140% (Auto restart) 125% - 145% (Auto restart) 115% - 135% (Auto restart) CIRCUIT AND REMOTE SENSING Provided OTHERS REMOTE ON/OFF Provided (Neqative Logic L : ON, H :OFF) ISOLATION INPUT-OUTPUT DC2,250V or AC1,000V 1minute, Cutoff current = 10mA, DC500V 50MW min (2015C) OPERATING TEMP.,HUMID.AND ALTITUDE -40 to +85C, 20 - 95%RH (Non condensing) (Refer to Derating), 5,000m (16,000 feet) max STORAGE TEMP.,HUMID.AND ALTITUDE -40 to +100C, 20 - 95%RH (Non condensing), 9,000m (30,000 feet) max ENVIRONMENT 2 VIBRATION 10 - 55Hz, 49.0m/s (5G), 3minutes period, 60minutes each along X, Y and Z axis 2 IMPACT 196.1m/s (20G), 11ms, once each along X, Y and Z axis SAFETY AGENCY APPROVALS UL60950-1, C-UL (CSA60950-1), EN60950-1 CASE SIZE/WEIGHT 19.05X12.7X23.36mm 0.75X0.5X0.92 inches (WXHXD) / 15g max OTHERS COOLING METHOD Convection / Forced air *1 At rated input (DC48V) and rated load. Ta=25C, 2m/s. *2 Ripple and r ipple noise is measured by using measuring board with ceramic capacitor 22mF. *3 Dr ift is the change in DC output for an eight hour period after a half-hour warm-up at 25C, with the input voltage held constant at the rated input/output. *4 Ref er to the instruction manual for input voltage derating. July 07, 2020 CHS-2