V13 CFB750-300 SERIES 750 WATT 2:1 INPUT DC-DC CONVERTERS FEATURES * 750W Isolated Output * Efficiency to 91% * Fixed Switching Frequency * Input Under Voltage Protection * Over Temperature Protection * Over Voltage/Current Protection * Remote On/Off * Industry Full-Brick Package * Single Wire Parallel * Safety Meets IEC/EN/UL 62368-1 * Fully Isolated 3000VAC OUTPUT CURRENT INPUT CURRENT CAPACITIVE MODEL INPUT OUTPUT % Eff. LOAD MAX. NUMBER VOLTAGE VOLTAGE MIN. MAX. NO LOAD FULL LOAD CFB750-300S12 200-425VDC 12VDC 0 mA 62.5 A 10 mA 2.84 A 89 10000uF CFB750-300S15 200-425VDC 15VDC 0 mA 50 A 10 mA 2.84 A 89 10000uF CFB750-300S24 200-425VDC 24VDC 0 mA 31.2 A 10 mA 2.78 A 90 10000uF CFB750-300S28 200-425VDC 28VDC 0 mA 26.7 A 10 mA 2.78 A 90 10000uF CFB750-300S36 200-425VDC 36VDC 0 mA 20.8 A 10 mA 2.78 A 90 8000uF CFB750-300S48 200-425VDC 48VDC 0 mA 15.6 A 10 mA 2.78 A 91 8000uF NOTE: 1. Nominal Input Voltage 300 VDC. 2. The Output Terminal Required a Minimum Capacitor 1000uF to Maintain Specified Regulation. 3. Measure at Nominal Input Voltage. 1 V13 SPECIFICATIONS All Specifications Typical at Nominal Line, Full Load, and 25 Unless Otherwise Noted INPUT SPECIFICATIONS: GENRAL SPECIFICATIONS: Input Voltage Range .................... 300V ................. 200-425V Efficiency .................................................................... See Table Input Over Voltage Protection module on .. 480V Isolation Voltage ..................... Input/Output ........ 3000VAC min. module off . 500V Input/Case ... 2500VAC min. Under Voltage Lockout ... 300Vin power up ..... 195V Output/Case 500VAC min. 7 300Vin power down .... 180V Isolation Resistance ................................................... 10 Ohm min. Switching Frequency ...................... 200KHz typ. Positive Logic Remote On/Off (note5&6) Input Filter ........ C Type Operating Case Temperature .................................. -40 to 85C Storage Temperature ....................... -55 to +105C OUTPUT SPECIFICATIONS: Thermal Shutdown, Case Temp.. 95C typ. Voltage Accuracy .................................................. 1.0% max. Humidity ........................................................ 95% RH max. Non Condensing Transient Response: 25% Step Load Change . <500us MTBF MIL-HDBK-217F, GB .... 370Khrs typ. External Trim Adj. Range (note4) 60-110% Load Share Accuracy .. 10% at 50% to 100% Full Load Dimensions ...................... 4.602.40x0.50 inches(116.8x61.012.7 mm) Auxiliary Output Voltage/Current 103Vdc/20mA max. Case Material ............................ Aluminum Baseplate with Plastic Case Weight .. 230g typ. Ripple & Noise, 20MHz BW (note3) 12V&15V 150mV RMS, 300mV pk-pk max. NOTE: 24V&28V 300mV RMS, 600mV pk-pk max. 1. Measured from high line to low line. 36V . 300mV RMS, 650mV pk-pk max. 2. Measured from full load to zero load. 48V .. 350mV RMS, 750mV pk-pk max. 3. Output ripple and noise measured with 1uF ceramic capacitor and Temperature Coefficient .................................... 0.03%/C 1000uF aluminum capacitor across output. Short Circuit Protection Continuous 4. The output adjustment circuit and trim equations show as Figure1 and Line Regulation (note 1) ................. 0.2% max. Figure2. Load Regulation (note 2) ............... 0.5% max. 5. Logic compatibility open collector refer to -Vin Over Voltage Protection Trip Range, %Vo Nom. 115-140% Module on >3.5Vdc to 75Vdc or Open Circuit Module off .. 0 to <1.2Vdc Current Limit . 105-125% Nominal Output 6. Suffix N to the model number with negative logic remote on/off Start up Time .... 50ms typ. Module on 0 to <1.2Vdc CASE FB Module off >3.5Vdc to 75Vdc or Open Circuit 0.301 7.64 0.150 3.81 0.150 3.81 0.150 3.81 0.150 3.81 0.150 3.81 10 -Vo 1 9 -Vin -Vo 8 2 -Vo +Vin - 7 3 +Vo CFB750 Output Voltage Adjustment Range 4 6 + +Vo 5 +Vo 0.199 5.05 4.20 106.7 PIN CONNECTION Mounting Inserts PIN NUMBER CONNECTION 3.5 Through 4Pl. 1 -V Input 2 +V Input 3 -On/Off 4 +On/Off 5~7 +V Output 8~10 -V Output 11 -Sense 4.60 116.8 12 +Sense 13 TRIM All Dimensions in Inches mm Pin CFB750-300SXX Derating 14 PC Tolerance Inches:x.xx=0.02 , x.xxx=0.01 0.0.04 Millimeters:x.x=0.5 , x.xx=0.25 0.1 15 IOG 16 AUX Output Voltage = TRIM The output voltage can be determined Terminal Voltage * Nominal by below equations: Output Voltage Rt 33 1.24 ( ) Rt + 33 Vf = Rt 33 7.68 + Fig.2 The schematic of Rt + 33 output voltage adjusted by using external DC voltage. Vout = (Vo +VR)Vf Unit: K Vo: Nominal Output Voltage F i g .1 T h e s ch e m a t ic o f o u tp u t v o l ta g e adjusted by using external resistor and/or variable resistor. 2 8-0.039 1.00 8-0.079 2.00 0.201 5.10 0.150 3.81 0.300 7.62 0.100 2.54 0.50 12.7 0.400 10.16 0.22 5.5 ON/OFF 16 AUX 15 IOG 14 PC/NC 13 TRIM 12 +S 11 -S 0.400 10.16 0.900 22.86 1.400 35.56 2.00 50.8 0.050 1.27 2.40 61.0