V14 CHB300-300S SERIES 300 WATT 2:1 INPUT DC-DC CONVERTERS FEATURES * 300W Isolated Output * Efficiency to 90% * Fixed Switching Frequency * Input Under Voltage Protection * Over Temperature Protection * Low No Load Power Consumption * Over Voltage/Current Protection * Remote On/Off * Half-Brick Size Meet Industrial standard nd * UL60950-1 2 (Reinforced Insulation) Approval * CB Test Certificate IEC60950-1 * Safety Meets IEC/EN/UL 62368-1 MODEL INPUT OUTPUT OUTPUT CURRENT INPUT CURRENT CAPACITIVE % Eff. LOAD MAX. NUMBER VOLTAGE VOLTAGE MIN. MAX. NO LOAD FULL LOAD CHB300-300S05 180-425 VDC 5 VDC 0 mA 60 A 10 mA 1125 mA 89 10000uF CHB300-300S12 180-425 VDC 12 VDC 0 mA 25 A 10 mA 1135 mA 88 10000uF CHB300-300S24 180-425 VDC 24 VDC 0 mA 12.5 A 10 mA 1110 mA 90 6000uF CHB300-300S28 180-425 VDC 28 VDC 0 mA 10.7 A 10 mA 1110 mA 90 6000uF CHB300-300S48 180-425 VDC 48 VDC 0 mA 6.25 A 10 mA 1110 mA 90 3000uF NOTE: 1. Nominal Input Voltage 300 VDC. 2. An External Input Capacitor 150uF for All Models are Recommended to Reduce Input Ripple Voltage. 3. Measure at Nominal Input Voltage. 1 V14 SPECIFICATIONS All Specifications Typical at Nominal Line, Full Load, and 25 Unless Otherwise Noted INPUT SPECIFICATIONS: GENRAL SPECIFICATIONS: Input Voltage Range ............. 300V ......................... 180-425V Efficiency....................................................................See Table Under voltage lockout .. 300Vin power up ...... 170V Isolation Voltage .....................Input/Output........ 3000VAC min. 300Vin power down .....160V Input/Case....2500VAC min. Positive Logic Remote On/Off (note5&6) Output/Case 500VAC min. 8 Input Filter ..... Pi Type Isolation Resistance ............................................. 10 Ohm min. Switching Frequency ...................... 300KHz typ. OUTPUT SPECIFICATIONS: Voltage Accuracy ............................................... 1.0% max. Operating Case Temperature ................. -40 to 100C Transient Response:25% Step Load Change ...<250us Storage Temperature.................... -55 to +105C Thermal Shutdown, Case Temp.... 105C typ. External Trim Adj. Range ... +10%, -20% Humidity .................................................. 95% RH max. Non Condensing Ripple & Noise, 20MHz BW (note3) 5V 60mV RMS max., 120mV pk-pk max. MTBF MIL-HDBK-217F, GB,25 , Full Load 5V . 470Khrs typ. 12V .. 60mV RMS max., 150mV pk-pk max. 12V 590Khrs typ., Others ....... 760Khrs typ. 24V . 120mV RMS max., 240mV pk-pk max. Dimensions ........................... 2.282.40x0.50 inches (57.9x61.012.7 mm) 28V . 150mV RMS max., 280mV pk-pk max. Case Material ....................... Aluminum Baseplate with Plastic Case 48V . 200mV RMS max., 480mV pk-pk max. Weight .... 90g NOTE: Temperature Coefficient .................................. 0.02%/C max. Short Circuit Protection Continuous 1. Measured from high line to low line. Line Regulation (note1) ................................ 0.2% max. 2. Measured from full load to zero load. Load Regulation (note2) ............................... 0.2% max. 3. Output ripple and noise measured with 10uF tantalum capacitor and 1uF Over Voltage Protection Trip Range, %Vo Nom. 115-140% ceramic capacitor across output. Current Limit 105%-140% Nominal Output (5V: 47uF polymer tantalum capacitor and 1uF ceramic capacitor across output). Start up Time .. 300ms typ. (48V: 10uF aluminum capacitor and 1uF ceramic capacitor across output). 4. Logic compatibility open collector refer to Input Module on . >3.5Vdc to 75Vdc or open circuit Module off .. 0 to <1.2Vdc 5. Suffix N to the model number with negative logic remote on/off Module on .. 0 to <1.2Vdc Module off .. >3.5Vdc to 75Vdc or open circuit min. 0.18 0.50 Mounting Inserts BOTTOM VIEW 4.6 12.7 M3*0.5 Through 4pl. Pin Function 1 +V Input On/Off 2 4 5 3 NP -V Input 4 3 6 5 -V Output 7 6 -Sense 7 Trim 2 8 8 +Sense 9 +V Output 1 9 CASE HB 1.900 All Dimensions In Inches(mm) Tolerances Inches: X.XX= 0.02 , X.XXX= 0.010 48.3 Millimeters: X.X= 0.5 , X.XX=0.25 2.280 57.9 Remote On/Off Control External Output Trim +SENSE (8) +SENSE (8) ON/OFF (2) TRIM DOWN 10K ohms HIGH SIGNAL HERE TRIM (7) TRIM (7) TRIMPOT DISABLE OUTPUT TRIM UP -VIN (4) -SENSE (6) -SENSE (6) 2 2.402 61.0 2.000 50.80 1.400 35.56 0.600 15.24 6-0.040 2-0.080 1.02 2.03