WRD -YS -1W&WRD -YS -2W Series WRDYSWRDYS1W&2W,WIDE INPUT,ISOLATED®ULATED Twin Output DC∕DC Converter SELECTION GUIDE Input Output Voltage(VDC) Order code No-load * Nominal Range Max. (mA,Typ) WRD050505YS-1W 5 4.5-9.0 11 40 FEATURES WRD050909YS-1W 5 4.5-9.0 11 ◆RoHS compliant WRD051212YS-1W 5 4.5-9.0 WRD051515YS-1W 5 4.5-9.0 WRD050505YS-2W 5 WRD050909YS-2W 5 ◆2:1 wide input voltage range WRD051212YS-2W ◆UL 94V-0 package material WRD051515YS-2W Current(mA) Voltage Efficiency (% ,Typ) Max. Min. 5/5 100/100 10/10 70 40 9/9 55/55 5/5 71 11 40 12/12 42/42 4/4 73 11 40 15/15 33/33 3/3 72 4.5-9.0 11 40 5/5 200/200 20/20 67 4.5-9.0 11 40 9/9 111/111 11/11 71 5 4.5-9.0 11 40 12/12 83/83 8/8 72 5 4.5-9.0 11 40 15/15 67/67 7/7 73 WRD120505YS-1W 12 9.0-18 22 20 5/5 100/100 10/10 73 WRD120909YS-1W 12 9.0-18 22 20 9/9 55/55 5/5 76 ◆Industry standard pinout WRD121212YS-1W 12 9.0-18 22 20 12/12 42/42 4/4 78 ◆1KVDC isolation WRD121515YS-1W 12 9.0-18 22 20 15/15 33/33 3/3 78 WRD120505YS-2W * 12 9.0-18 22 20 5/5 200/200 20/20 75 WRD120909YS-2W * 12 9.0-18 22 20 9/9 111/111 11/11 77 WRD121212YS-2W * 12 9.0-18 22 20 12/12 83/83 8/8 80 WRD121515YS-2W * 12 9.0-18 22 20 15/15 67/67 7/7 79 WRD240505YS-1W 24 18-36 40 10 5/5 100/100 10/10 76 ◆Miniature SIP Package ◆Operating temperature: -40℃to+85℃ ◆No heatsink required ◆Continuous Short Circuit Protection ◆Internal SMD construction MODEL SELECTION ① ② ③ ④ ⑤ ⑥ ⑦ WRD 05 05 05 Y S -1W ①Product Series ③Output Voltage 1st ⑤Wide Input ⑦Rated Power ②Input Voltage ④Output Voltage 2st ⑥SIP Package APPLICATIONS Y S-1W & WRD_ YS-2W series are specially The WRD_ WRD_Y WRD_Y 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 ≤ 1000VDC); 3) Where isolation is necessary between Vout1 and Vout2 (Isolation Voltage ≤ 1000VDC); (VDC) WRD240909YS-1W 24 18-36 40 10 9/9 55/55 5/5 77 WRD241212YS-1W * 24 18-36 40 10 12/12 42/42 4/4 78 WRD241515YS-1W 24 18-36 40 10 15/15 33/33 3/3 77 WRD240505YS-2W 24 18-36 40 10 5/5 200/200 20/20 76 WRD240909YS-2W 24 18-36 40 10 9/9 111/111 11/11 78 WRD241212YS-2W * 24 18-36 40 10 12/12 83/83 8/8 80 WRD241515YS-2W * 24 18-36 40 10 15/15 67/67 7/7 79 WRD480505YS-1W 48 36-72 80 5 5/5 100/100 10/10 73 WRD480909YS-1W * 48 36-72 80 5 9/9 55/55 5/5 75 WRD481212YS-1W * 48 36-72 80 5 12/12 42/42 4/4 77 WRD481515YS-1W * 48 36-72 80 5 15/15 33/33 3/3 77 WRD480505YS-2W 48 36-72 80 5 5/5 200/200 20/20 75 WRD480909YS-2W * 48 36-72 80 5 9/9 111/111 11/11 78 WRD481212YS-2W 48 36-72 80 5 12/12 83/83 8/8 79 WRD481515YS-2W * 48 36-72 80 5 15/15 67/67 7/7 78 *Input voltage can’t exceed this value, or will cause the permanent damage. 4) Where the regulation of the output voltage and the output ripple noise are demanded. ISOLATION SPECIFICATIONS Parameter Isolation test voltage Isolation resistance MICRODC reserves the copyright http://www.microdc.cn Isolation capacitance Test conditions Flash tested for 1 minute and 1mA max(Vin/Vout) Test at Viso=500VDC(Vin/Vout) 100KHz,1V Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Min. Typ. Max. 1000 Unit VDC 1000 MΩ 80 Page 1 of 3 PF WRD -YS -1W&WRD -YS -2W Series WRDYSWRDYSOUTPUT SPECIFICATIONS TYPICAL TEMPERATURE CURVE Parameter Test conditions Main output voltage accuracy Vice output voltage accuracy Typ. Max Unit Refer to recommended circuit ±1 ±3 % Refer to recommended circuit ±3 ±5 % Load regulation 10% to 100% full load ±0.5 ±1 * % Line regulat ion Input voltage from low to high ±0.2 ±0.5 % Temperature drift (Vout) Refer to recommended circuit 20MHz Bandwidth 50 100% load, input voltage range 300 Ripple & Noise** Switching frequency Min ±0.03 %/℃ 100 mVp-p KHz *Dual output models unbalanced load: ±5%. ** Test ripple and noise by "parallel cable" method. See detailed operation instructions at Testing of Power Converter section, application notes. RECOMMENDED CIRCUIT COMMON SPECIFICATIONS Parameter Conditions Min. Typ. Storage humidity range Operating temperature Storage temperature Lead temperature Max. Units 95 % -40 85 -55 125 1.5mm from case for 10 seconds ℃ 300 Temp.rise at full load 15 No-load power consumption 0.1 Case material W Plastic(UL94-V0) Short circuit protection Continuous Cooling Free air convection MTBF 1000 K hours Weight 5.8 g APPLICATION NOTE 1) CS Pin By connecting a low ESR capacitor between this terminal and the pin-7(Figure 1), the output ripple and noise may be further improved. Generally, the capacitance is no greater than 47uF. 2) Requirement on Output Load To ensure output the this module load can is not less load, the output operate than efficiently 10% of the and full reliably, load, If sharply. If During the operation, actual load the minimum is less than specified minimum ripple may increase the actual output power is very small, please add other lower an appropriate output power resistor as extra loading, or contact our company for products. EXTERNAL CAPACITOR TABLE (TABLE 1) 3) Recommended Circuit Vout 2W :Cout 1W : Cout (VDC) (μF) (μF) 5 680 470 9 470 330 operation is ensured, the greatest capacitance of its filter capacitor sees (Table 1) 12 330 220 Cin: 24 220 100 If you want to further decrease the input/output ripple, you can increase capacitance properly or choose capacitors with low ESR (Figure 1). However, the capacitance of the output filter capacitor must be proper. If the capacitance is too big, a startup problem might arise. For every channel of output, provided the safe and reliable Lin: 5V & 12V 100μF 24V & 48V 10μF-47μF 10μH-120μH Cout: 100μF(TYP) 4) Input current When the environment temperature is higher than 71 71°° C, the product an 60% of the rated power. output power should be less th tha While using unstable power source, please ensure the output voltage and ripple voltage do not exceed indexes provide for of the converter. The preceding power source must be able to No parallel connection or plug and play. converter sufficient starting current Ip (Figure 2). General: Ip ≤1.4*Iin-max 5) No parallel connection or plug and play http://www.microdc.cn Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 2 of 3 WRD -YS -1W&WRD -YS -2W Series WRDYSWRDYSMECHANICAL DIMENSIONS RECOMMENDED FOOTPRINT TUBE OUTLINE DIMENSIONS Note: Uni t:mm[ inch] Pin sect ion tolerances:±0.10mm[±0.004inch] General tolerances:±0.25mm[±0.010inch] FOOTPRINT DETAILS PIN FUNCTION 1 GND 2 Vin 6 +V01 7 0V1 8 CS 9 0V2 10 +V02 Note: Unit :mm[inch] General tolerances:±0.50mm[±0.020inch] L=530mm[20.866inch] Tube Quantity: 18pcs L=220mm[8.661inch] Tube Quantity: 8pcs Note: 1. The load shouldn't be less than 10%, otherwise ripple will increase dramatically. 2. Operation under 10% load will not damage the converter; However, they may not meet all specification listed. 3. All specifications measured at Ta=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 4. In this datasheet, all the test methods of indications are based on corporate standards. 5. Only typical models listed, other models may be different, please contact our technical person for more details. RoHS COMPLIANT INFORMATION 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. Microdc Professional Power Module,Inc. Tel:0086-20-86000646 REACH COMPLIANT INFORMATION E-mail:[email protected] Website:http://www.microdc.cn http://www.microdc.cn This series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval. Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 3 of 3