V14 CFB600 SERIES 600 TO 700 WATTS 2:1 INPUT DC-DC CONVERTERS FEATURES * 600 - 700W Isolated Output * Efficiency to 92% * Fixed Switching Frequency * Input under-voltage Protection * Over Temperature Protection * Over Voltage/Current Protection * Remote ON/OFF * Industry Full-Brick Package * Fully Isolated 1500VDC * UL60950-1 Approval MODEL NUMBER INPUT OUTPUT VOLTAGE VOLTAGE OUTPUT CURRENT MIN. MAX. INPUT CURRENT % Capacitor NO LOAD FULL LOAD EFF. Load max. (2) CFB600-24S12 18-36 VDC 12 VDC 0 mA 50 A 150 mA 28.09 A 88 10000F CFB600-24S24 18-36 VDC 24 VDC 0 mA 25 A 150 mA 27.78 A 89 5000F (2) CFB600-24S28 18-36 VDC 28 VDC 0 mA 21.5 A 150 mA 27.87 A 90 5000F (2) CFB600-24S32 18-36 VDC 32 VDC 0 mA 19 A 150 mA 27.84 A 91 5000F (2) CFB600-24S48 18-36 VDC 48 VDC 0 mA 12.5 A 200 mA 27.47 A 91 5000F (2) CFB600-48S12 36-75 VDC 12 VDC 0 mA 50 A 90 mA 13.89 A 90 10000F CFB600-48S24 36-75 VDC 24 VDC 0 mA 25 A 100 mA 13.59 A 92 5000F (2) CFB700-48S28 36-75 VDC 28 VDC 0 mA 25 A 105 mA 16.03 A 91 5000F (2) CFB600-48S32 36-75 VDC 32 VDC 0 mA 19 A 90 mA 13.77 A 92 5000F (2) CFB600-48S48 36-75 VDC 48 VDC 0 mA 12.5 A 130 mA 13.59 A 92 5000F (2) NOTE: 1. Nominal Input Voltage 24, 48 VDC 2. The output terminal of all models required a minimum capacitor 470uF to maintain specified regulation. 1 (2) V14 SPECIFICATIONS All Specifications Typical At Nominal Line, Full Load, and 25 Unless Otherwise Noted INPUT SPECIFICATIONS: GENRAL SPECIFICATIONS: Input Voltage Range........................................ 24V .................. 18-36V 48V .................. 36-75V Input Surge Voltage (100ms max.) ................... 24V .......... 50Vdc max. 48V ........ 100Vdc max. Under voltage lockout ............... 24Vin power up ....................... 17V 24Vin power down .................... 16V 48Vin power up ........................ 35V 48Vin power down .................... 33V Input over voltage protection ... 24Vin Turn off .... 40V, Turn on ..... 38V Efficiency ................................................................................ See Table Isolation Voltage .................... Input/Output ................... 1500VDC min. Input/Case ......................1500VDC min. Output/Case ................... 1500VDC min. 7 Isolation Resistance ............................................................ 10 ohm min. Isolation Capacitance ................................................... 4000pF typ. Switching Frequency ............. 48S12&48S28&48S32 ........ 300KHz typ. Others ........................... 250KHz typ. 48Vin Turn off .... 80V, Turn on ..... 77V Storage Temperature .............................................. -55 to +105 Opto isolated Remote ON/OFF (note6) Input Filter ..................................................................... PI Type Thermal Shutdown, Case Temp. .................................... 110 typ. Humidity .................................................... 95% RH max. Non condensing OUTPUT SPECIFICATIONS: MTBF .......... MIL-STD-217F, GB, 25, Full Load ............ 450Khrs typ. Voltage Accuracy ................................................................ 1.5% max. Transient Response:25% Step Load Change ....................... <500us External Trim Adj. Range ................................................. 6 0 1 1 0 % Dimensions ........................ 4.60x2.40x0.50 inches(116.8x61.0x12.7 mm) Case Material .............................. Aluminum Baseplate with Plastic Case Load share Accuracy ...................... 10% at 50% to 100% Full Load NOTE: Auxiliary output voltage/current .................. 103Vdc/20mA max. Ripple & Noise, 20MHz BW 12V .................. 60mV RMS max., 120mV pk-pk max. 24V ............... 100mV RMS max., 240mV pk-pk max. 28V ............... 100mV RMS max., 280mV pk-pk max. 32V ............... 120mV RMS max., 320mV pk-pk max. 48V ............... 200mV RMS max., 480mV pk-pk max Temperature Coefficient ................................................... 0.03%/C Short Circuit Protection .................................................... Continuous Line Regulation (note1) .................................................. 0.2% max. Load Regulation (note2) ................................................ 0.5% max. Over Voltage Protection trip Range,% Vo nom. .................... 115-140% Current Limit ....................................... 110% ~150% Nominal Output Start up time ................................................................ 160ms typ. 1. Measured from high line to low line. 2. Measured from full load to zero load. 3. Output ripple and noise measured with 10uF tantalum and 1uF ceramic capacitor across output. 4. The output adjustment circuit and trim equations show as figure1 and figure2. 5. An external input capacitor 220uF for all models are recommended to Reduce input ripple voltage. Operating Case Temperature ..................................... -40 to 100 Weight ............................................................................... 220g 6. Standard model is negative logic , suffix "P" to the model number with positive logic. (refer application note) 7. If the remote sense feature is not to be used, the +sense pin should be connected to the +Vout pin and the -sense pin should be connected to the -Vout pin. (refer application note Item 6.9) CASE FB Pin DIA 0.004 0.1 8- ) 00 1( 2. 08 0. 0. 04 0( 1. 00 ) 4.099(104.11) 3.949(100.30) 3.799(96.49) 3.649(92.68) 3.499(88.87) 3.349(85.06) 8- All Dimensions In Inches(mm) Tolerances Inches: .XX0.02 .XXX0.010 Millimeters: .X0.5 .XX0.25 11 12 13 14 15 16 PIN CONNECTIONS 10 1 3 4 6 2.40(61.0) 7 2.00(50.8) 2.251(57.17) 8 2 1.701(43.20) 1.301(33.04) 1.400(35.56) 9 PIN NUMBER FUNCTION 1 -Vin 2 +Vin 3 -ON/OFF 4 +ON/OFF 5-7 +Vo 8-10 -Vo 11 -S 0.50(12.7) 0.22(5.5) Mounting Through 3.5mm 4Pl. 0.02(5.1) 4.20(106.7) 0.501(12.72) 0.020(5.05) 0.400(10.16) 0.900(22.86) 0.901(22.88) 0.751(19.07) 5 12 +S 13 TRIM 14 PC/NC 15 IOG 16 AUX 4.60(116.8) The output voltage can be determined by below equations: 1.24 x ( Vf = 7.68 + Rt x 33 Rt + 33 ) Output Voltage = TRIM Terminal Voltage * Nominal Output Voltage Rt x 33 Rt + 33 Vout = (Vo + VR ) x Vf Unit: K Vo: Nominal Output Voltage Rt=6.8K Fig.1 The schematic of output voltage adjusted by using external resistor and/or variable resistor. 2 Fig.2 The schematic of output voltage adjusted by using external DC voltage. 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