FB Series In Development 250~300 Watt Single Output Full Brick DC/DC Converter FEATURES ● 100% Burn In ● Synchronizable ● Output Trim ±10% ● 1500VDC Isolation ● Operation to No Load ● Very Low Output Ripple ● Fast Transient Response ● Output Current up to 60A ● Fixed Switching Frequency ● 250-300 Watts Output Power ● Remote Sense Compensation ● Remote ON/OFF (Active High/Low) ● Optional Chassis Mount Version Available ● Short Circuit and Over Temperature Protection ● 90% Efficient at Half Load, 88% Efficient at Full Load DESCRIPTION The FB series is a high-density full brick converter that incorporates the desired features required in today’s demanding low voltage bus applications. Its unique dual interleaved phaseshifted topology minimizes both input and output noise. When performance, reliability, and low cost are needed, the FB series delivers. SPECIFICATIONS: FB Series (All specifications apply @ 25°C ambient unless otherwise noted) INPUT SPECIFICATIONS PROTECTION SPECIFICATIONS Input Voltage Range ................................................................ 18 - 75VDC Current Limit ........................................................................................ 130% Input Filter ................................1,000μF low ESR capacitor recommended Short Circuit Protection........................................Continuous, self re-setting Reflected Ripple Current (nominal Vin and full load) .........................20mA Remote ON/OFF ................................................... active high or active low Input Current under Remote Off .......................................................... 1mA Over Temperature Protection ......................................110°C, self re-setting GENERAL SPECIFICATIONS Efficiency .................................................................................... 90% typical Switching Frequency .................................................................700KHz typ. OUTPUT SPECIFICATIONS Isolation Voltage (Input to Output)......................................... 1500VDC min. Output Voltage ..............................................................................see table Isolation Resistance ...................................................................... 1GΩ min. Voltage Accuracy ................................................................................. ±1% Isolation Capacitance ........................................................................ 0.01μF Output Adjustability ............................................................................ ±10% ENVIRONMENTAL SPECIFICATIONS Output Current ..............................................................................see table Operating Temperature (ambient) ........................... -40°C ~ +100°C (case) Output Power ................................................................................see table Storage Temperature .......................................................... -55°C ~ +125°C Line Regulation (LL to HL at FL)....................................................... ±0.2% Humidity...................................................................fully potted construction Load Regulation (NL to FL)............................................................... ±0.2% Ripple/Noise (20 MHz BW) .................................................... 1% Vout max Temperature Coefficient ................................................. ±0.02% / °C max. Transient Response (50% load step).............................. 5% total deviation Cooling ..........................................................heatsink optional (see Note 4) PHYSICAL SPECIFICATIONS Weight ................................................................................... 9.88oz (218g) Dimensions (L x W x H).......... 4.6 x 2.4 x 0.50 in (117.0 x 61.0 x 12.7 mm) Case Material ....................................................................... Aluminum alloy Shielding......................................................................................... six-sided Due to advances in technology, specifications subject to change without notice 02/17/2011 Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 1 of 4 FB Series 250~300 Watt Single Output Full Brick DC/DC Converter In Development MODEL SELECTION TABLE Model Number for Threaded Inserts Model Number for Thru-Hole Inserts Input Voltage Range Output Voltage Output Current Output Power 60A 300W FB48S5-300 FB48S5-300TH 5 VDC FB48S12-300 FB48S12-300TH 12 VDC 25A 300W FB48S15-300 FB48S15-300TH 15 VDC 20A 300W FB48S20-300 FB48S20-300TH 20 VDC 15A 300W FB48S24-300 FB48S24-300TH 24 VDC 12.5A 300W FB48S26-300 FB48S26-300TH 26 VDC 11.538A 300W FB48S28-300 FB48S43-250 FB48S28-300TH 28 VDC 10.714A 300W FB48S43-250TH 43 VDC 5.814A 250W FB48S48-300 FB48S48-300TH 48VDC 6.25A 300W 48 VDC (18 - 75 VDC) NOTES 1. Pin to pin tolerance ± 0.01" [±0.3mm]. Pin diameter tolerance ±0.005" [±0.13mm]. 2. Case material: 0.040" [1.02mm] thick, aluminum alloy 3003-0, Per: QQA 250/2. 3. Unit comes with either 3M x 0.5 threaded thru inserts or for 0.125 thru-hole add "TH" suffix to the model part number. Ex: FB48S48-300TH. 4. For Heat sink add “HS” suffix to the model part number. Ex: FB48S48-300HS. 5. Active High Enable is standard; for Active Low Enable add “R” suffix to the model number. Ex: FB48S48-300R. 6. Chassis mount version also available. Please call factory for ordering details. DERATING CURVE FB48S24-300 MAX AMBIENT vs OUTPUT POWER 02/17/2011 Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 2 of 4 FB Series 250~300 Watt Single Output Full Brick DC/DC Converter In Development MECHANICAL DRAWING Unit: inches [mm] HEATSINK SUPPLIED ATTACHED WITH THERMAL INTERFACE MATERIAL. HEATSINK HAS Ø.120 ±.005 Ø3.05±0.13 THRU HOLE 6X .02 [0.4] 6X REF COVER TO STANDOFF .84±.04 [21.3±1.0] HEATSINK TO STANDOFFS ONLY SEE NOTE 5 .000 [0.00] .20 MIN [5.1 MIN] SEE NOTE-1&3 PIN LENGTH FROM STANDOFFS ONLY .015 [0.38] .02 [0.4] 6X REF COVER TO STANDOFF STANDARD +0.8 .50+.03 -.00 12.7 -0.0 .20 MIN [5.1 MIN] SEE NOTE-1&3 PIN LENGTH FROM STANDOFFS ONLY .30 [7.6] .000 [0.00] TO STANDOFFS ONLY +0.5 .30+.02 -.03 7.6 -0.6 SERIAL NO: SEE NOTE-4 3.600 [91.44] 1.800 [45.72] .50 [12.7] .35 [8.9] .000 [0.00] 1 6 .400 [10.16] 2 7 .700 [17.78] 3 1.000 [25.40] 4 8 1.400 [35.56] 5 9 DATE CODE 2.100 [53.34] MODEL NAME DC/DC CONVERTER R XXXX WALL INDUSTRIES EXETER, NH 03833 DOT DENOTES PIN-1 +0.5 2.40+.02 -.03 61.0 -0.8 LABEL 4.200 [106.68] NONMETALLIC INSULATOR 2X .20±.03 [5.1±0.8] +0.5 4.60 +.02 -.03 117.0 -0.8 PIN DESIGNATION 1 +OUT 2 +SENSE 3 TRIM 4 -SENSE 5 -OUT 6 +IN 7 SD 8 SYNC 9 -IN NOTES: TO ORDER: 1. PIN TO PIN TOLERANCE ± .01 [±0.3], PIN DIAMETER TOLERANCE: ±.005 [±0.13]. 2. CASE MATERIAL: .040 [1.02] THICK, ALUMINUM ALLOY 3003-0, PER: QQA 250/2. 3. UNLESS OTHERWISE SPECIFIED. 4. UNIT COMES WITH EITHER 3M x 0.5 THREADED THRU INSERTS OR FOR Ø.125 THRU-HOLE ADD: “TH” SUFFIX TO MODEL PART NUMBER. EXAMPLE: FB48S48-300TH 5. FOR HEAT SINK ADD: “HS” SUFFIX TO MODEL PART NUMBER. EXAMPLE: FB48S48-300HS. 6. OPTIONAL CHASSIS MOUNT VERSION AVAILABLE. 02/17/2011 Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 PIN Ø Ø.081 [2.06] Ø.040 [1.02] Ø.040 [1.02] Ø.040 [1.02] Ø.081 [2.06] Ø.081 [2.06] Ø.040 [1.02] Ø.040 [1.02] Ø.081 [2.06] Page 3 of 4 FB Series 250~300 Watt Single Output Full Brick DC/DC Converter In Development OPTIONAL CHASSIS MOUNT VERSION (Call factory for ordering details) Unit: inches [mm] 8.00 [203.2] 7.000 [177.80] 3.500 [88.90] .50 [12.7] +INPUT +OUTPUT +S SD 3.40 [86.4] 2.875 [73.03] TRIM SYNC -S -INPUT -OUTPUT .000 [0.00] .26 [6.7] DATE CODE LABEL SERIAL NO: UNIT THRU HOLE Ø.125 [3.2] 6X REF PCB THRU HOLE Ø.140 [3.6] 6X REF Ø.143 [3.6] MOUNTING HOLES 6X GROUNDED 6-PLACES TERMINAL SCREW .136 (NO:6)-32UNC 9X 02/17/2011 Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 .91 [23.0] .24 [6.0] REF Ø.28 [7.1] 6X .000 [0.00] .13 [3.2] 6X REF .000 [0.00] Page 4 of 4