WRB-YMD-20W Series Wide Input,Isolated & Regulated Single Output DC/DC Converter SELECTION GUIDE order Watt Input Voltage Output Voltage Output Current Full Load Efficiency Capacitor Load (Output) (VDC) (VDC) (mA) (%) (uF) WRB1203YMD-4500 20 9-18 3.3 4500 85 2000 FEATURES WRB1205YMD-20W 20 9-18 5 4000 89 2000 WRB1212YMD-20W 20 9-18 12 1660 88 470 RoHS compliant WRB1215YMD-20W 20 9-18 15 1330 88 330 WRB2403YMD-4500 20 18-36 3.3 4500 86 2000 WRB2405YMD-20W 20 18-36 5 4000 89 2000 20 18-36 12 1660 89 470 ◆ ◆ Efficiency up to 86% ◆ 2"X1" DIP Package WRB2412YMD-20W WRB2415YMD-20W 20 18-36 15 1330 89 330 ◆ Wide temperature performance at full WRB4803YMD-4500 20 36-72 3.3 4500 84 2000 WRB4805YMD-20W 20 36-72 5 4000 88 2000 WRB4812YMD-20W 20 36-72 12 1660 89 470 WRB4815YMD-20W 20 36-72 15 1330 89 330 20 Watt load,-40°C to 85°C ◆ UL 94V-0 package material ◆ No heat sink required ◆ Low ripple and good EMC Features ◆ Industry standard pin out ◆ Regulated Single Output ◆ 1500 VDC I/O Isolation ◆ Short Circuit Protection(automatic recovery) ◆ Metal case package ◆ MTBF>1000000 hours Input Specifications MODEL SELECTION ① ② ③ ④ ⑤ ⑥ WRB 24 05 Y MD D -20W 20W(4000) Voltage Range 2:1 Wide Input (See Table) Input Filter L-C Type Output Specifications ①Product Series ②Input Voltage ③Output Voltage ④Wide (2:1) Input Range ⑤package style ⑥Rated Power(Output current) s DESCRIPTION The WRB_YMD-20W series are specially designed for applications where a wide range input voltage power supplies are isolated from the input power supply in a distributed power supply system on a circuit board.These products apply to: 1) Where the voltage of the input power supply is wide range (voltage range≤2:1); 2) Where isolation is necessary between input and output(isolation voltage≤1500VDC); 3) Where the regulation of the output voltage and the output ripple noise are demanded. Voltage Accuracy ± 2% Short Circuit Protection Current Limit (Automatic Recovery) Over Power Protection Over 120% of Rating (Automatic Recovery) Over Voltage Protection Zener Diode Clamp Line Regulation (LL-HL) ± 0.5 %, typ. Load Regulation (10% - 100%) ± 1 %, typ. Ripple 75 - 100 mV pk-pk, max. Noise 100 – 125 mV, max. Temperature Coefficient ± 0.02% / ℃, max. General Specifications Efficiency See Table I/O Isolation Voltage (3 sec.) 1500 VDC I/O Isolation Resistance 108Ohms Switching Frequency 300 - 450 kHz, typ. Humidity 95% rel H Reliability Calculated MTBF (MIL-HDBK-217F) > 0.8 MHrs Physical Specifications Case Material Six-side shielded Alu (non conductive Base) Weight ~ 15 g, typ. Environment Specifications Operating Temperature -40 to +50°C (for 100% - See Derating Graph) Maximum Case Temperature 105℃ Storage Temperature -55 to +105℃ Cooling Free Air Convection (10mm distance required) RoHS Conform Soldering 260℃, max. (1.5mm from case 10s.) MICRODC R ESERVES THE COPYRIGHT http://www.microdc.cn Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 1 of 2 WRB-YMD-20W Series Package / Pinning / Derating MECHANICAL DIMENSIONS RECOMMENDED FOOTPRINT Single Output RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch) diameter:1.00mm(0.039inch) TUBE OUTLINE DIMENSIONS Note: PIN CONNECTION Unit:mm[inch] Pin section tolerances:±0.10mm[±0.004inch] # SINGLE General tolerances:±0.25mm[±0.010inch] 1 GND 3 +Vout 4 NC 5 0V + Vin Temperature derating curve Note: Unit :mm[inch] General tolerances: ±0.50mm[±0.020inch] L=530mm[20.866inch] Tube Quantity: 19pcs L=220mm[8.661inch] Tube Quantity: 7pcs When the environment temperature is higher than 71°C, the product output ower should be less then 60% of the rated power. No parallel connection or plug and play. Use dual output simultaneously, forbid opening output pin (0V) to use as single output. Output Noise: The output noise is measured with 0.1µF tantalum capacitor. RoHS COMPLIANT INFORMATION Microdc Professional Power Module,Inc. Tel:0086-20-86000646 E-mail:[email protected] Website:http://www.microdc.cn This series is compatible with RoHS soldering systems with a peak wave solder temperature of 300°C for 10 seconds. The pin termination finish on the SIP package type is Tin Plate, Hot Dipped over Matte Tin with Nickel Preplate. The DIP types are Matte Tin over Nickel Preplate. Both types in this series are backward compatible with Sn/Pb soldering systems. REACH COMPLIANT INFORMATION This series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval. http://www.microdc.cn Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 2 of 2