6-Side Shielding External ON/OFF control Features 1.6kVDC Isolation DC/DC Converter UL/CSA/EN-60950-1 Certified 2:1 Input Voltage Range Regulated Continuous Short Circuit Protection Efficiency up to 90.5% Converters REC30 Fixed Switching Frequency Description 30 Watt The REC30-xxxxS D -series offer single and dual regulated outputs in a 2x1.6 package with 1.6kVDC isolation and are suitable for higher power industrial applications. Remote on/off control is standard. 2 x 1.6 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. Single and Dual Output Selection Guide Part Input Output Output Efficiency max. Capacitive (1) Number Voltage Range Voltage Current typ. Load VDC VDC mA % F REC30-123.4S 9-18 3.4 6000 85 10000 REC30-125.1S 9-18 5.1 6000 87 6800 REC30-1212S 9-18 12 2500 89 1800 REC30-1215S 9-18 15 2000 88 1000 REC30-1212D 9-18 12 1250 87 800 REC30-1215D 9-18 15 1000 88 500 REC30-243.4S 18-36 3.4 6000 87 10000 REC30-245.1S 18-36 5.1 6000 89 6800 REC30-2412S 18-36 12 2500 90 1800 REC30-2415S 18-36 15 2000 89 1000 E224736 REC30-2412D 18-36 12 1250 88 800 REC30-2415D 18-36 15 1000 89 500 IEC/EN60950-1 Certified UL60950 Certified REC30-483.4S 36-75 3.4 6000 87.5 10000 CSA C22.2 NO. 60950 Certified REC30-485.1S 36-75 5.1 6000 89.5 6800 EN55022 Certified REC30-4812S 36-75 12 2500 90 1800 REC30-4815S 36-75 15 2000 90.5 1000 REC30-4812D 36-75 12 1250 89 800 REC30-4815D 36-75 15 1000 90.5 500 Notes: Note1: Max. capacitive load is tested at nominal input voltage and full load. Model Numbering REC30- nom. Input Voltage Single or Dual Output Voltage Ordering Examples: REC30-4812S, Single Output, 36-75Vin and 12Vout REC30-2412D, Dual Output, 18-36Vin and 12Vout www.recom-power.com REV.: 3/2017 ECO-1REC30 DC/DC Converter Series Specifications (measured at T = 25C, nominal input voltage, full load and after warm up unless otherwise specified) a BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. nom. Vin= 12V 9VDC 18VDC Input Voltage Range nom. Vin= 24V 18VDC 36VDC nom. Vin= 48V 36VDC 75VDC Start/up Time 10ms DC-DC ON 8.3VDC nom. Vin= 12V DC-DC OFF 7.9VDC DC-DC ON 17.4VDC Under Voltage Lockout (UVLO) nom. Vin= 24V DC-DC OFF 16.7VDC DC-DC ON 35.7VDC nom. Vin= 48V DC-DC OFF 34.3VDC see calculation below 10% Output Voltage Trimming DC-DC ON Open or 3V<Vr<12V CTRL ON/OFF DC-DC OFF Short or 0V<Vr<1.2V 300kHz Internal Operating Frequency Minimum Load 0% (2) Output Ripple and Noise 100mVp-p Notes: Note2: Ripple and Noise is measured with a 20MHz bandwidth and a 0.1F ceramic capacitor. Output Voltage Trimming Trim UP Trim DOWN +Vout +Vout R1 R1 Vout 3.4V 5.1V 12V 15V R R R1 R1 down down Trim R1 2.1 k 2.55 k 9.53 kTrim 9.09 k Vref Vref Trim Trim Vref Vref R2 1.198 k 2.449 k 2.498 k 1.810 k R3 R3 R3 R3 R3 6.8 k 9.76 k 16.9 k 13 k R R R2 R2 up up R2 R2 Vref 1.24 V 2.5 V -Vout -Vout Trim Calculation DVout = Vout - Vout Vout = nom. output voltage trimmed DVout = output voltage trim R = trim up resistor a*R2 Vref up R = q r - R3 = k a = q r * R1 = k up (Vout + DVout) - Vref R = trim down resistor R2 - a down a = trim up factor b = trim down factor b*R1 (Vout + DVout) - Vref R = q r - R3 = k b = q r * R2 = k down R1 - b Vref Trim Up: Vout = 5.1V, DVout = 0.51V (10%), Vref= 2.5V 2.5V 2.043k * 2.449k a = q r * 2.55k = 2.043k R = q r - 9.76 = 2.573k up (5.1V + 0.51V) - 2.5V 2.449k - 2.043k Trim down: Vout = 5.1V, DVout = -0.51V (-10%), Vref= 2.5V 5.1V + (-0.51V) - 2.5V 2.047k * 2.55k b = q r * 2.449k = 2.047k R = q r - 9.76k = 0.627k down 2.5V 2.55k - 2.047 continued on next page ECO-2 REV.: 3/2017 www.recom-power.com