Features Regulated Converters Description 6-Side Shielding External ON/OFF control 1.6kV Isolation UL/CSA/EN-695-1 Certified 2:1 Input Voltage Range Continuous Short Circuit Protection Efficiency up to 9.5% Fixed Switching Frequency The REC3-xxxxS_D -series offer single and dual regulated outputs in a 2 x1.6 package with 1.6kV isolation and are suitable for higher power industrial applications. Remote on/off control is standard. The higher current outputs have raised output voltages to compensate for track losses as standard. The converter is fully certified to UL/EN/IEC safety standards. Selection Guide Part Input Output Output Efficiency max. Capacitive Number Voltage Range Voltage Current typ. Load (1) [V] [V] [ma] [%] [µf] REC3-123.4S 9-18 3.4 6 85 1 REC3-125.1S 9-18 5.1 6 87 68 REC3-1212S 9-18 12 25 89 18 REC3-1215S 9-18 15 2 88 1 REC3-1212D 9-18 ±12 ±125 87 ±8 REC3-1215D 9-18 ±15 ±1 88 ±5 REC3-243.4S 18-36 3.4 6 87 1 REC3-245.1S 18-36 5.1 6 89 68 REC3-2412S 18-36 12 25 9 18 REC3-2415S 18-36 15 2 89 1 REC3-2412D 18-36 ±12 ±125 88 ±8 REC3-2415D 18-36 ±15 ±1 89 ±5 REC3-483.4S 36-75 3.4 6 87.5 1 REC3-485.1S 36-75 5.1 6 89.5 68 REC3-4812S 36-75 12 25 9 18 REC3-4815S 36-75 15 2 9.5 1 REC3-4812D 36-75 ±12 ±125 89 ±8 REC3-4815D 36-75 ±15 ±1 9.5 ±5 / Converter REC3 3 Watt 3 2 x 1.6 Single and Dual Output E224736 3 YEAR w a r r a n t y IEC/EN695-1 Certified UL695 Certified CSA C22.2 NO. 695 Certified EN5522 Certified Note1: Max. capacitive load is tested at nominal input voltage and full load. Model Numbering nom. Input Voltage Output Voltage REC3- _ Single or Dual Ordering Examples: REC3-4812S, Single Output, 36-75Vin and 12Vout REC3-2412D, Dual Output, 18-in and ±12Vout www.recom-power.com REV.: 3/217 ECO-1
REC3 BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. Input Voltage Range Start/up Time Under Voltage Lockout (UVLO) nom. Vin= 12V nom. Vin= 24V nom. Vin= 48V nom. Vin= 12V nom. Vin= 24V nom. Vin= 48V - ON - ON - ON 9V 18V 1ms 8.3V 7.9V 17.4V 16.7V 35.7V 34.3V Output Voltage Trimming see calculation below ±1% CTRL ON/OFF Internal Operating Frequency - ON Minimum Load % Output Ripple and Noise (2) Output Voltage Trimming Trim UP Note2: Ripple and Noise is measured with a 2MHz bandwidth and a.1µf ceramic capacitor. Trim DOWN +Vout 3kHz 1mVp-p 18V 75V Open or 3V<Vr<12V Short or V<Vr<1.2V R1 R2 R3 Trim -Vout R up R1 R2 R3 Trim R down Vout 3.4V 5.1V 12V 15V R1 2.1 kω 2.55 kω 9.53 kω 9.9 kω R2 1.198 kω 2.449 kω 2.498 kω 1.81 kω R3 6.8 kω 9.76 kω 16.9 kω 13 kω 1.24 V 2.5 V Trim Calculation Vout = nom. output voltage DVout = output voltage trim R up = trim up resistor R down = trim down resistor a = trim up factor b Trim Up: = trim down factor Vout = 5.1V, DVout =.51V (1%), = 2.5V DVout = Vout - Vout trimmed R up = q a*r2 r - R3 = kω R2 - a b*r1 R down = q r - R3 = kω R1 - b 2.5V a = q r * 2.55kΩ = 2.43kΩ (5.1V +.51V) - 2.5V a = q r * R1 = kω (Vout + DVout) - b = q (Vout + DVout) - r * R2 = kω R up = q 2.43kΩ * 2.449kΩ r - 9.76 = 2.573kΩ 2.449kΩ - 2.43kΩ Trim down: Vout = 5.1V, DVout = -.51V (-1%), = 2.5V b = q [5.1V + (-.51V)] - 2.5V r * 2.449kΩ = 2.47kΩ R down = q 2.47kΩ * 2.55kΩ r - 9.76kΩ =.627kΩ 2.5V 2.55kΩ - 2.47Ω continued on next page ECO-2 REV.: 3/217 www.recom-power.com
REC3 Efficiency vs. Load REC3-485.1S REC3-2415D 1 1 95 95 9 9 Efficiency [%] 85 8 75 7 54V 75V Efficiency [%] 85 8 75 7 18V 24V 65 1 2 3 4 5 6 65 1 2 3 4 5 6 REGULATIONS Parameter Condition Type Values Output Accuracy ±1.% max. Line Regulation low line to high line, full load ±.2% max. Load Regulation 1% to 1% load single output dual output ±.5% max. ±1.% max. Cross Regulation 25% to 1% load dual output ±5.% max. Transient Response Recovery Time 25% load step change 25µS typ. Deviation vs. Load.36 REC3-485.1S.2 REC3-2415D.34.32 48V 75V.1 Deviation [%].3.28.26.24.22 Deviation [%] -.1 -.2 -.3 -.4 -.5 18V 24V.2 1 2 3 4 5 6 -.6.1.2.3.4.5.6.7.8.9 1. www.recom-power.com REV.: 3/217 ECO-3
REC3 PROTECTIONS Parameter Condition Value Short Circuit Protection (SCP) below 1mW continuous, automatic recovery Over Voltage Protection (OVP) Over Load Protection (OLP) Zener Diode Clamp 3.4Vout 5.1Vout 12Vout 15Vout 4V typ. 6.2V typ. 15V typ. 18V typ. 18% typ. Isolation Voltage I/P to O/P tested for 1 minute 1.6kV Isolation Capacitance Isolation Resistance 33pF typ. 1GΩ min. ENVIRONMENTAL Parameter Condition Value Operating Temperature Range with derating (see graph) -4 C to +85 C Maximum Case Temperature Temperatur Coefficient +15 C ±.5%/ C Thermal Impedance natural convection (.1m/s) 8 C/W Operating Altitude Operating Humidity non-condensing 5% - 95% RH max. Vibration 5m MIL-STD-22G MTBF according to MIL-HDBK-217F G.B., +25 C 529 x 1 3 hours Derating Graph @ nominal input voltage, full load and natural convection (.1m/s) REC3-485.1S REC3-2415D 1 1 Output Power [%] 8 6 5 4 2 Safe Operating Area Output Power [%] 8 6 5 4 2 Safe Operating Area -4-2 2 4 6 8 1 7 85 9 Ambient Temperature [ C] 12-4 -2 2 4 6 8 1 7 75 85 Ambient Temperature [ C] 12 Note3: For more details, please contact our technical support service at TechsupportAT@recom-power.com ECO-4 REV.: 3/217 www.recom-power.com
REC3 SAFETY AND CERTIFICATIONS Certificate Type Report / File Number Standard CB General Safety IEC695-1, 2nd Edition, 213 UL General Safety UL695-1, 2nd Edition, 214 E224736 EN General Safety EN695-1, 2nd Edition, 213 CAN/CSA General Safety C22.2 No. 695-1-7, 214 EMC Compliance Condition Standard / Criterion EMI with external filter (see filter suggestions) EN5522, Class A,B ESD Air: ±8kV; Contact: ±4kV EN61-4-2, Criteria B Radiated Immunity 1V/m EN61-4-3, Criteria A Fast Transient ±1kV EN61-4-4, Criteria B Surge (4) ±1kV EN61-4-5, Criteria A Conducted Immunity 1Vr.m.s EN61-4-6, Criteria A Power Magnetic Field 5Hz 1A/m (r.m.s) EN61-4-8, Criteria A Note4: An external MOV is required if the module has to meet EN61-4-5. The MOV suggest: NichTek SVI32-38 EMC Filtering - Suggestions for Class A C3 +Vin -Vin C1 +Vout Com -Vout MODEL C1 C2 C3 REC3-12xxS 33µF/5V 22pF/3kV NA REC3-24xxS 33µF/5V 22pF/3kV NA REC3-48xxS 33µF/1V 22pF/3kV NA REC3-12xxD 33µF/5V 22pF/3kV 22pF/3kV REC3-24xxD 33µF/5V 22pF/3kV 22pF/3kV REC3-48xxD 33µF/1V 22pF/3kV 22pF/3kV EMC Filtering - Suggestions for Class B C2 C4 +Vin -Vin C1 L1 C2 +Vout Com -Vout MODEL C1 C2 L1 C3 C4 REC3-12xxS 33µF/5V 1µF/5V 1.3mH CMC 22pF/3kV NA REC3-24xxS 33µF/5V 1µF/5V 1.3mH CMC 22pF/3kV NA REC3-48xxS 33µF/1V 1µF/1V 1.3mH CMC 22pF/3kV NA REC3-12xxD 33µF/5V 1µF/5V 1.3mH CMC 22pF/3kV 22pF/3kV REC3-24xxD 33µF/5V 1µF/5V 1.3mH CMC 22pF/3kV 22pF/3kV REC3-48xxD 33µF/1V 1µF/1V 1.3mH CMC 22pF/3kV 22pF/3kV C3 www.recom-power.com REV.: 3/217 ECO-5
REC3 DIMENSION and PHYSICAL CHARACTERISTICS Parameter Type Value Material Package Dimension (LxWxH) Package Weight Dimension Drawing (mm) Case Base PCB Potting nickel plated copper non conductive black plastic FR4 epoxy (UL94 V-) 5.8 x 4.6 x 1.2mm 48g typ. 4.6 Pin Connections Pin # Single Dual 1 +Vin +Vin 2 -Vin -Vin 4 CTRL ON/OFF 5 No Pin +Vout 6 +Vout Com 7 -Vout -Vout 8 Trim Trim 5.8 Tolerance: xx.x= ±.5mm xx.xx= ±.35mm Pin dimension: ±.5mm 5.6 1.2 2.54 45.72 2.54 5.8 Ø1. 5.8 2.54 Recommended Footprint Details 2.54 Ø1.3 +.15/- 5.8 17.78 1.16 1 2 4 Bottom View 5 6 7 8 1.16 1.16 1.16 Top View PACKAGING INFORMATION Packaging Dimension (LxWxH) tube 52. x 54.5 x 21.mm Packaging Quantity 11pcs Storage Temperature Range -55 C to +125 C The product information and specifications are subject to change without prior notice. RECOM products are not authorized for use in safety-critical applications (such as life support) without RECOM s explicit written consent. A safety-critical application is defined as an application where a failure of a RECOM product may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The buyer shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized use of RECOM products in such safety-critical applications. ECO-6 REV.: 3/217 www.recom-power.com