WRA-YDV-3W&WRB-YDV-3W Series 3W, WIDE INPUT, ISOLATED & REGULATED DUAL/SINGLE OUTPUT DIP DC-DC CONVERTER Input Output Efficien Efficienccy Part Number Voltage (VDC) Current (mA) Voltage Certificate (%, Typ) (VDC) Max. Min Min.. 11 ±5 ±300 ±30 68 11 ±12 ±125 ±12 72 4.5-9 11 ±15 ±100 ±10 73 5 4.5-9 11 5 600 60 68 5 4.5-9 11 9 333 33 70 WRB0512YDV-3W 5 4.5-9 11 12 250 25 72 WRB0515YDV-3W 5 4.5-9 11 15 200 20 73 ◆Short circuit protection(Automatic recovery) WRA1205YDV-3W 12 9-18 22 ±5 ±300 ±30 76 ◆Internal SMD construction WRA1212YDV-3W 12 9-18 22 ±12 ±125 ±12 79 ◆No heat sink required WRA1215YDV-3W 12 9-18 22 ±15 ±100 ±10 80 Nominal Range Max Max.. WRA0505YDV-3W 5 4.5-9 WRA0512YDV-3W 5 4.5-9 WRA0515YDV-3W 5 WRB0505YDV-3W ◆Operating temperature: -40℃~ +85℃ WRB0509YDV-3W ◆1500VDC isolation FEATURES ◆Wide (2:1) input range ◆Efficiency up to 82% WRB1205YDV-3W 12 9-18 22 5 600 60 76 ◆No external component required WRB1209YDV-3W 12 9-18 22 9 333 33 78 ◆UL94-V0 package WRB1212YDV-3W 12 9-18 22 12 250 25 80 WRB1215YDV-3W 12 9-18 22 15 200 20 81 WRB1224YDV-3W 12 9-18 22 24 125 12 82 ◆MTBF>1,000,000 hours WRA2405YDV-3W 24 18-36 40 ±5 ±300 ±30 76 ◆RoHS Compliance WRA2412YDV-3W 24 18-36 40 ±12 ±125 ±12 80 WRA2415YDV-3W 24 18-36 40 ±15 ±100 ±10 81 WRB2403YDV-3W 24 18-36 40 3.3 909 90 74 UL WRB2405YDV-3W 24 18-36 40 5 600 60 76 UL WRB2409YDV-3W 24 18-36 40 9 333 33 78 UL WRB2412YDV-3W 24 18-36 40 12 250 25 81 UL WRB2415YDV-3W 24 18-36 40 15 200 20 80 UL WRB2424YDV-3W 24 18-36 40 24 125 12 82 WRA4805YDV-3W 48 36-72 80 ±5 ±300 ±30 76 WRA4812YDV-3W 48 36-72 80 ±12 ±125 ±12 80 WRA4815YDV-3W 48 36-72 80 ±15 ±100 ±10 81 WRB4803YDV-3W 48 36-72 80 3.3 909 90 74 WRB4805YDV-3W 48 36-72 80 5 600 60 76 supply in a distributed power supply system on a WRB4809YDV-3W 48 36-72 80 9 333 33 78 circuit board. These products apply to: WRB4812YDV-3W 48 36-72 80 12 250 25 81 1) Where the voltage of the input power supply is wide WRB4815YDV-3W 48 36-72 80 15 200 20 80 range (Voltage range≤2:1); WRB4824YDV-3W 48 36-72 80 24 125 12 82 2) Where isolation is necessary between input and Note: Metal package style series is WRA_YDV-3W & WRB_YDV-3W. ◆Industry standard pinout MODEL SELECTION ① ② ③ ④ ⑤ ⑥ WRA 24 05 Y DV -3W ①Product Series ③Output Voltage ⑤DIP24 V Layout ②Input Voltage ④Wide (2:1) Input Range ⑥Rated Power APPLICATIONS The WRA(B)-YDV-3W Series are specially designed for applications where a wide range input voltage power supplies are isolated from the input power output(Isolation voltage≤1500VDC); 3) Where the regulation of the output voltage and the output ripple noise are demanded. Absolute Maximum Ratings MICRODC reserves the copyright http://www.microdc.cn Item Test conditions Min. Isolation voltage Tested for 1 minute and 1mA max. 1500 Isolation resistance Test at 500VDC 1000 Isolation capacitance Input/Output Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Typ. Max. Units VDC MΩ 80 pF Page 1 of 3 WRA-YDV-3W&WRB-YDV-3W Series TYPICAL CHARACTERISTICS OUTPUT SPECIFICATIONS Item Test conditions Output power See below products program Min. Typ. Max. Units O3 Positive voltage accuracy Refer to recommended circuit W ±3 % Negative voltage accuracy Refer to recommended circuit Load regulation From 10% to 100% load ±3 ±5 % ±0.45 ±1* % Line regulation Input voltage from low to high ±0.2 Temperature drift(Vout) Refer to recommended circuit Ripple & Noise** 20MHz Bandwidth 50 Switching frequency 100% load, nominal input voltage 300 0.3 ±1 ±0.5 % ±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 Item Test conditions Min. Typ. Max. Storage humidity Units 95 % Operating temperature -40 85 ℃ Storage temperature -55 125 ℃ Temp. rise at full load ℃ 15 Lead temperature 1.5mm from case for 10 seconds ℃ 300 No-load Power consumption 0.2 Cooling W Free air convection Short circuit protection Continuous, Automatic Recovery Case material D: Plastic (UL94-V0); MTBF MD: Steel, Nickel Coated 1000 K hours Weight 15 g APPLICATION NOTE Requirement On Output Load In order to ensure the product operate efficiently and reliably, in addition load), a minimum load is specified for this kind of DC/DC converter. Make sure the specified exceeded, the minimum output load no less load, the output ripple may increase sharply while is very small, please add an appropriate than 10% load. If the actual load is less its efficiency and reliability will reduce greatly. resistor as extra loading, to range or contact a max of load(namely full input voltage is not than the specified minimum If the actual output power our company for other lower output power products. Recommended Circuit All the WRA_YDV-3W & WRB_YDV-3W Series have been tested according to the following recommended testing circuit before leaving factory. This series should be tested under load. Never be tested under no load (see Figure 1). Output External Capacitor Table(Table 1) If you want to further decrease the input/output ripple, you can increase capacitance properly or choose capacitors with low ESR. However, the capacitance of the output filter capacitor must be startup problem might arise. For every channel proper. If the capacitance is too big, a of output, provided the safe and reliable operation is ensured, the Single Vout Cout Dual Vout Cout (VDC) (uF) (VDC) (uF) 5 1000 ±5 680 9 680 ±9 470 12 470 ±12 330 15 330 ±15 220 24 220 ±24 100 greatest capacitance of its filter capacitor sees (Table 1). Generally: If you want to use the products in high EMI, please choose our metal packaged products (WRA_YDV-3W & WRB_YDV-3W). General: Cin: 5V&12V 100µF 24V&48V 10µF-47µF Cout: 10µF/100mA Input Current When it is used in unregulated power supply, be sure that the fluctuating range of the power supply voltage do not exceed the module standard. Input current of and the rippled power supply should afford the startup current of this kind of DC/DC module (See figure 2), General: Ip ≤ 1.4*Iin-max No parallel connection or plug and play http://www.microdc.cn Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 2 of 3 WRA-YDV-3W&WRB-YDV-3W Series OUTLINE DIMENSIONS ＆ FOOTPRINT DETAILS MECHANICAL DIMENSIONS RECOMMENDED FOOTPRINT 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℃, 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 Microdc Professional Power Module,Inc. This series is compatible with RoHS soldering systems with a peak wave solder temperature of 300°C Tel:0086-20-86000646 E-mail:[email protected] for 10 seconds. The pin termination finish on the SIP package type is Tin Plate, Hot Dipped over Matte Website:http://www.microdc.cn Tin with Nickel Preplate. The DIP types are Matte Tin over Nickel Preplate. Both types in this series are Microdc Professional Power module,Inc.makes no representation that backward compatible with Sn/Pb soldering systems. the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or REACH COMPLIANT INFORMATION future patent rights. Specifications are subject to change without notice. This series has proven that this product does not contain harmful chemicals, it also has harmful chemical ©2010 substances through the registration, inspection and approval. Microdc Professional Power Module, Inc. Guangzhou http://www.microdc.cn Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 3 of 3