IRS-Q12 Series Encapsulated Sixteenth-Brick DOSA-Compatible, Wide Input Isolated DC-DC Converters Output Voltage Output Current Input Voltage Range (Vdc) (A) (Vdc) 3.3 15.0 9 to 36 5 10.0 9 to 36 12 4.5 9 to 36 15 3.3 9 to 36 24 2.0 9 to 36 Optimized for harsh environments in industrial/railway applications, the IRS DC-DC converter series offer regulated outputs in an industry-standard sixteenth-brick fully encased package. Typical unit FEATURES PRODUCT OVERVIEW and FPGAs. No minimum load is required. For The world of brick DC-DC converters has seen High efficiency synchronous flyback topology systems requiring controlled startup/shutdown, an a steady size reduction. The IRS series makes an- 9-36 Volts DC wide input range with a single external remote On/Off control may use a switch, other dramatic size shrink down to a sixteenth 3.3, 5, 12, 15 or 24 Volts for an output voltage transistor or digital logic. brick width (1.04 inches) while still retaining a high power output and full 2828 Volt DC isolation. Many self-protection features on the IRS series Up to 54 Watts total output power with over- The converter family accepts 9 to 36 Volts DC avoid both converter and external circuit hazards. temperature shutdown inputs and delivers fixed outputs regulated up to These include input undervoltage shutdown and 1.44 x1.04 x0.50 standard baseplate package within 0.125%. The IRS converters are ideal for overtemperature shutdown. The output of these Industry standard DOSAbric format and pinout industrial and railway applications, datacom and DC-DC converters have current limit using the Extensive self-protection shut down features telecom applications, cell phone towers, data hiccup autorestart technique and the outputs centers, server farms and network repeaters. may be short-circuited indefinitely. Additional Small footprint DC-DC converter, ideal for high IRS outputs may be trimmed while delivering features include output overvoltage and reverse current applications fast settling to current step loads and no adverse conduction elimination. Meets the AREMA standard of 2828Vdc isolation effects from higher capacitive loads. Excellent The synchronous flyback topology yields high Operating temperature range -40 to +85C with ripple and noise specifications assure compatibility efficiency for minimal heat buildup and no fan to circuits using CPUs, ASICs, programmable logic derating operation. Stable no-load operation with no required exter- nal components Certified to UL 60950-1, 2nd Edition, EN60950-1 safety approvals Standard Baseplate Option Flanged Baseplate Option SAFETY FEATURES Basic insulation 2828Vdc, Input-to-Output isolation nd UL 60950-1, 2 Edition CAN/CSA-C22.2 NO. 60950-1 EN 60950-1 RoHS compliant For full details go to www.murata-ps.com/rohs www.murata-ps.com/support WDC IRS-Q12 Series.A01 Page 1 of 37 IRS-Q12 Series Encapsulated Sixteenth-Brick DOSA-Compatible, Wide Input Isolated DC-DC Converters PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE Standard Output Input Efficiency Baseplate Root Model R/N (mV pk-pk) Regulation (Max.) Vout Iout Power Vin Nom. Range Iin, No Load Iin, Full Package (V) (A, Max.) (W) (V) (V) (mA) Load (A) Typ. Max. Line Load Min. Typ. Case (inches) IRS-3.3/15-Q12 3.3 15.0 49.5 60 75 0.150% 0.300% 24 9-36 30 2.30 87.5% 89.5% 1.44 x 1.04 x 0.50 IRS-5/10-Q12 5 10.0 50.0 40 75 0.125% 0.125% 24 9-36 25 2.29 89.0% 91.0% 1.44 x 1.04 x 0.50 IRS-12/4.5-Q12 12 4.5 54.0 100 130 0.125% 0.125% 24 9-36 30 2.47 89.5% 91.0% 1.44 x 1.04 x 0.50 IRS-15/3-Q12 15 3.3 49.5 110 150 0.125% 0.125% 24 9-36 65 2.29 89.5% 91.0% 1.44 x 1.04 x 0.50 IRS-24/2-Q12 24 48.0 140 240 0.125% 0.125% 24 9-36 130 2.20 89.0% 91.0% 1.44 x 1.04 x 0.50 2.0 Regulation specifications describe output voltage deviations from a Please refer to the Part Number Structure when ordering. nominal/midpoint value to either extreme (50% load step). All specifications are at nominal line voltage and full load, +25C unless Please see the Mechanical Drawings for the Flanged Baseplate package and otherwise noted. See detailed specifications. Output capacitors are 1 F the Case Dimensions in mm . ceramic multilayer in parallel with 10 F and a 220 F 100V capacitor across the input pins. I/O caps are necessary for our test equipment and may not be needed for your application. PART NUMBER STRUCTURE IIRR SS -- 1212 // 4.54.5 - Q Q12 12 N P F F - -C C RoHS-6 Compliant with exemptions Industrial-Railway Baseplate S = Sixteenth Brick Blank = Standard Baseplate F = Flanged Baseplate See Mechanical Drawings for details On/Off Control Logic Nominal Output Voltage N = Negative Volts (Vdc) P = Positive Input Voltage Range Output Current Amps (A) Q12 = 936V (24Vdc nominal) Part Number Examples: IRS-3.3/15-Q12NF-C stands for Industrial-Railway Sixteenth Brick, 3.3Vout 15A, 9-36Vin, Negative Logic, Flanged Baseplate, RoHS-6 Compliant. IRS-12/4.5-Q12P-C stands for Industrial-Railway Sixteenth Brick, 12Vout 4.5A, 9-36Vin, Positive Logic, Standard Baseplate, RoHS-6 Compliant. NOTE: Some model number combinations may not be available. Please see our website or contact your local Murata Sales Representative. www.murata-ps.com/support WDC IRS-Q12 Series.A01 Page 2 of 37