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Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 06/29/2010 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 1 of 4 FA Series 250-300 Watt Single Output Full Brick DC/DC Converter Rev D

FEATURES

  • 100% Burn In
  • Synchronizable
  • Output Trim ±10%
  • 1500VDC Isolation
  • Operation to No Load
  • Very Low Output Ripple
  • Output Current up to 60A
  • Fast Transient Response
  • Fixed Switching Frequency
  • 250-300 Watts Output Power
  • Remote Sense Compensation
  • Remote ON/OFF (Active High/Low)
  • Short Circuit and Over Temperature Protection
  • 90% Efficient at Half Load, 88% Efficient at Full Load
  • Optional Chassis Mount Version Available (See CMFA Series) SPECIFICATIONS: FA Series All specifications apply @ 25°C ambient unless otherwise noted INPUT SPECIFICATIONS OUTPUT SPECIFICATIONS PROTECTION SPECIFICATIONS GENERAL SPECIFICATIONS ENVIRONMENTAL SPECIFICATIONS PHYSICAL SPECIFICATIONS Due to advances in technology, specifications subject to change without notice

DESCRIPTION

The FA series is a high-density full brick converter that incorporates the desired f eatures required in today’s demanding low voltage bus applications. Its unique dual interleaved phase-shifted topology minimizes both inpu t and output noise. When performance, reliability, and low cost are needed, the FA series delivers.

Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 06/29/2010 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 2 of 4 FA Series 250-300 Watt Single Output Full Brick DC/DC Converter Rev D MODEL SELECTION TABLE Model Number for Threaded Inserts Model Number for Thru-Hole Inserts Input Voltage Range Output Voltage Output Current Output Power FA12S43-250 FA12S43-250TH 43 VDC 5.814A 250W FA12S48-250 FA12S48-250TH 48 VDC 5.208A 250W FA12S5-300 FA12S5-300TH 5 VDC 60A 300W FA12S12-300 FA12S12-300TH 12 VDC 25A 300W FA12S15-300 FA12S15-300TH 15 VDC 20A 300W FA12S20-300 FA12S20-300TH 20 VDC 15A 300W FA12S24-300 FA12S24-300TH 24 VDC 12.5A 300W FA12S26-300 FA12S26-300TH 26 VDC 11.538A 300W FA12S28-300 FA12S28-300TH

12 VDC

(10 - 36 VDC) 28 VDC 10.714A 300W NOTES 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: FA12S24-300TH. 4. For Heat sink add “HS” suffix to the model part number. Ex: FA12S24-300HS. 5. Active High Enable is standard; for Active Low Enable add “R” suffix to the model number. Ex: FA12S24-300R. 6. See CMFA Series for chassis mount version. DERATING CURVE FA12S24-300 MAX AMBIENT vs OUTPUT POWER Airflow across unit in linear feet per minute (LFM)

Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 06/29/2010 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 3 of 4 FA Series 250-300 Watt Single Output Full Brick DC/DC Converter Rev D MECHANICAL DRAWING Unit: inches [mm] SEE NOTE-1&3 STANDOFFS ONLY PIN LENGTH FROM .20 MIN [5.1 MIN] TO STANDOFFS ONLY .000 [0.00] HEATSINK SUPPLIED ATTACHED WITH THERMAL INTERFACE MATERIAL. HEATSINK HAS ±.005Ø.120 ±0.13Ø3.05 THRU HOLE 6X .02 [0.4] 6X REF COVER TO STANDOFF.84±.04 [21.3±1.0] SERIAL NO: DATE CODE M ODEL NAM E XXXX EXETER, NH 03833DC/DC CONVERTER W ALL INDUSTRIES R LABEL NONMETALLIC INSULATOR 2X .015 [0.38] SEE NOTE-1&3 STANDOFFS ONLY PIN LENGTH FROM .20 MIN [5.1 MIN]TO STANDOFFS ONLY .02 -.03 2.40 61.0 -0.8 0.5 6.000 [0.00] .400 [10.16] .700 [17.78] 1.000 [25.40] 1.400 [35.56] 1.800 [45.72] 3.600 [91.44] 4.200 [106.68] 2.100 [53.34] .35 [8.9] .50 [12.7] .20± .03 [5.1± 0.8] +.03.50 -.00 -0.0 +0.812.7 -0.8 SEE NOTE-4 DOT DENOTES PIN-1 .02 [0.4] 6X REF COVER TO STANDOFF +.02.30 -.03 -0.6 +0.57.6 NOTES: 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. TO ORDER: 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: FA12S24-300TH 5. FOR HEAT SINK ADD: “HS” SUFFIX TO MODEL PART NUMBER. EXAMPLE: FA12S24-300HS. 6. OPTIONAL CHASSIS MOUNT VERSION AVAILABLE (SEE CMFA SERIES). PIN DESIGNATION PIN Ø 2 +SENSE Ø.040 [1.02] 3 TRIM Ø.040 [1.02] 4 -SENSE Ø.040 [1.02] 6 +IN Ø.081 [2.06] 7 SD Ø.040 [1.02] 8 SYNC Ø.040 [1.02] 9 -IN Ø.081 [2.06] SEE NOTE 5 HEATSINK STANDARD

Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 06/29/2010 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 4 of 4 FA Series 250-300 Watt Single Output Full Brick DC/DC Converter Rev D OPTIONAL CHASSIS MOUNT VERSION (SEE CMFA SERIES) Unit: inches [mm] 3.40 [86.4] 8.00 [203.2] .000 [0.00] 3.500 [88.90] 7.000 [177.80] 2.875 [73.03] .91 [23.0] .000 [0.00] Ø.143 [3.6] MOUNTING HOLES 6X GROUNDED 6-PLACES .24 [6.0] REF UNIT THRU HOLE Ø.125 [3.2] 6X REF PCB THRU HOLE Ø.140 [3.6] 6X REF TERMINAL SCREW .136 (NO:6)-32UNC 9X +INPUT SD SYNC -INPUT +OUTPUT -OUTPUT TRIM DATE CODE SERIAL NO: LABEL .50 [12.7] .26 [6.7] .000 [0.00]