Features Regulated Converters ● ● ● ● ● ● ● ● ECONOLINE 20W 1”x 2” Package (50.1x25.4x10.8mm) 1.6kVDC Isolation Wide Input 2:1 Regulated Output UL94V-0 Package Material Continuous Short Circuit Protection Remote ON/OFF-Control for Single Types Efficiency to 87% DC/DC-Converter REC20SRW/H Series 20 Watt 1” x 2” Single Output Selection Guide Part Number 1” x 2” Input Output Output Efficiency Voltage Voltage Current (VDC) (VDC) (mA) (%) REC20-xx2.5SRW/H 18-36, 36-75 2.5 4000 83 REC20-xx3.3SRW/H 18-36, 36-75 3.3 4000 86 REC20-xx05SRW/H 18-36, 36-75 5 4000 87 2:1 xx = 18-36Vin = 24 xx = 36-75Vin = 48 * add suffix "CTRL" for optional Remote ON/OFF-Control Specifications (Core Operating Area) Input Voltage Range 2:1 π type Input Filter Output Voltage Accuracy ±0.5% max. Load Voltage Regulation (10% to 100% full load ) Ripple Noise ±1% max. 110mVp-p max. 200mVp-p max. Operating Frequency 400kHz typ. Works over 120% of rating and recovers automatically Over Voltage Protection Zener diode clamp Short Circuit Protection Current limit, auto-recovery Transient Response 87% max. 1600VDC min. see Application Notes (tested for 1 second) (long term isolation) Isolation Capacitance 100 MΩ min. -25°C to +70°C (see Graph) Storage Temperature Range -55°C to +105°C Case Temperature +100°C max. Temperature Coefficient ±0.02%/°C Case Material MSL Level 1 95% RH Nickel-Plated Copper with Non-Conductive Base, Six-side Shielded Cooling Method Natural convection Package Weight 32g EMI (Conducted & Radiated Emission) MTBF (+25°C) Detailed Information see (+40°C) Application Notes chapter "MTBF" } 128 (Ambient Temperature) 120 100 1000pF Isolation Resistance Operating Temperature Range (Natural convection) (with derating) Relative Humidity Derating-Graph 500 us (100% to 50% full load at ±1% error band) using MIL-HDBK 217F using MIL-HDBK 217F July-2006 Output Power (%) Efficiency at Full Load Isolation Voltage Rated Working Voltage UL-60950-1 Pending ±2% max. Line Voltage Regulation Over Power Protection Designed to meet EN-60950-1 80 60 Safe Operating Area 40 20 0 -25 0 25 40 50 70 75 100 Operating Temperature (°C) EN 55022 class A >550 x 103 hours 193 x 103 hours www.recom-international.com ECONOLINE REC20-SRW/H Series DC/DC-Converter Package Style and Pinning (mm) 1” x 2” , Wide Input 2:1 3rd angle projection 1“ x 2“ PIN Package 50.10 25.40 25.40 20.32 20.32 10.80 6.00 1.0 15.24 20.32 Recommended Footprint Details Pin Connections 5.08 1 2 Pin # 1 2 3 4 5 5 3 10.16 Bottom View 4 2 2.54 1 10.16 4 XX.X ± 0.5 mm XX.XX ± 0.25 mm 3 5 2.54 Top View 2.54 Single +Vin -Vin +Vout No Pin -Vout 1.2ø+0.2/0.1 REC20-Series also available with Remote ON/OFF - Control For detailed information please contact your RECOM representative. Recommended Footprint Details REC20-SRW/H/CTRL 6 3 5.08 1 2 10.16 Bottom View 4 1 10.16 7.62 6 2 2.54 Pin # 1 2 3 4 5 6 4 3 5 2.54 www.recom-international.com Pin Connections 5 2.54 July-2006 Top View 1.2ø+0.2/0.1 Single +Vin –Vin +Vout No Pin -Vout CTRL XX.X ± 0.5 mm XX.XX ± 0.25 mm 129