WRD_S-1W & WRD_S-2W Series 1W & 2W, WIDE INPUT, ISOLATED & REGULATED TWIN OUTPUT SIP DC-DC CONVERTER multi-country patent protection RoHS FEATURES PRODUCT PROGRAM Wide (2:1) Input Range Miniature SIP Package I/0 Isolation 1000VDC Short Circuit Protection(automatic recovery) External On/Off control Internal SMD construction Operating Temperature: -40°C to +85°C RoHS Compliance APPLICATIONS The WRD_S-1W Series are specially designed for applications where a wide range input voltage power supplies are isolated from the input power Input Part Number Output Voltage (VDC) Nominal Range No-load Voltage Max* (mA)(Typ) (VDC) Current (mA) Efficiency (%, Typ) Max Min WRD050505S-1W 5 100 10 70 WRD050909S-1W 9 55 5 71 WRD051212S-1W 12 42 4 73 WRD051515S-1W 15 33 3 72 WRD050505S-2W 5 4.5-9.0 11 40 5 200 20 67 WRD050909S-2W 9 111 11 71 WRD051212S-2W 12 83 8 72 WRD051515S-2W 15 67 7 73 WRD120505S-1W 5 100 10 73 WRD120909S-1W 9 55 5 76 WRD121212S-1W 12 42 4 78 WRD121515S-1W 15 33 3 78 5 200 20 75 12 9.0-18 22 20 supply in a distributed power supply system on a WRD120505S-2W circuit board. WRD120909S-2W 9 111 11 77 These products apply to: WRD121212S-2W 12 83 8 80 1) Where the voltage of the input power supply WRD121515S-2W 15 67 7 79 WRD240505S-1W 5 100 10 76 2) Where isolation is necessary between input WRD240909S-1W 9 55 5 77 and output & Vout1 and Vout2 (Isolation Voltage WRD241212S-1W 12 42 4 78 ≤1000VDC); WRD241515S-1W 15 33 3 77 is wide range (voltage range ≤2:1); 3) Where the regulation of the output voltage 18-36 40 10 5 200 20 76 WRD240909S-2W 9 111 11 78 WRD241212S-2W 12 83 8 80 WRD241515S-2W 15 67 7 79 WRD480505S-1W 5 100 10 73 WRD480909S-1W 9 55 5 75 MODEL SELECTION WRD481212S-1W 12 42 4 77 WRD051212S-1W WRD481515S-1W 15 33 3 77 5 200 20 75 WRD480909S-2W 9 111 11 78 WRD481212S-2W 12 83 8 79 WRD481515S-2W 15 67 7 78 and the output ripple noise are demanded. Rated Power Package Style 2nd Output Voltage 1st Output Voltage Input Voltage WRD240505S-2W 24 WRD480505S-2W 48 36-72 80 5 *Input voltage can’t exceed this value, or will cause the permanent damage. Note: The load shouldn't be less than 10%, otherwise ripple will increase dramatically. Operation under 10% load will not damage the converter; However, they may not meet all specification listed. OUTPUT SPECIFICATIONS MORNSUN Science & Technology co.,Ltd. Address: 2th floor 6th building, Huangzhou Industrial District, Guangzhou, China Tel: 86-20-38601850 Fax:86-20-38601272 Http://www.mornsun-power.com Item Test Conditions Positive voltage accuracy Refer to recommended circuit Min Typ Max ±1 ±3 ±3 ±5 Load regulation 10% to 100% load ±0.5 ±1* ±0.2 Negative voltage accuracy Refer to recommended circuit Line regulation Input voltage from low to high Temperature drift (Vout) Refer to recommended circuit Ripple & Noise** 20MHz Bandwidth 50 Switching frequency Input voltage range 100% load 300 Units % ±0.5 ±0.03 %/°C 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. MORNSUN reserves the copyright Specifications subject to change without notice. WRD_S-1W & WRD_S-2W A/1-2008 Page 1 of 2 COMMON SPECIFICATION Item APPLICATION NOTE Test Conditions Min Typ. Storage humidity Max Units 95 % Operating temperature -40 85 Storage temperature -55 125 Temp. rise at full load this terminal and the pin-7(Figure 1), the output °C 15 1.5mm from case for 10 seconds 300 Isolation voltage Tested for 1 minute and 1mA max 1000 VDC Isolation resistance Test at 500VDC 1000 MΩ Isolation Capacitance 100KHz,1V Cooling Generally, the capacitance is no greater than 80 pF 0.1 W Requirement on Output Load To ensure this module can operate efficiently and reliably, During operation, the minimum output load is not less than 10% of the full load, Free Air Convection If the actual load is less than the specified Continuous minimum load, the output ripple may increase Short circuit protection Case material Plastic(UL94-V0) MTBF ripple and noise may be further improved. 47uF. Lead temperature No-load power consumption CS Pin By connecting a low ESR capacitor between 1000 Weight sharply. If the actual output power is very K hours small, please add an appropriate resistor as g extra loading, or contact our company for other 5.8 Note: 1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. See below recommended circuits for more details. TYPICAL TEMPERATURE CURVE lower output power products. Recommended Circuit If you want to further decrease input/output can ripple, you the increase capacitance properly or choose capacitors with low ESR (Figure 1). Li Vin 6 2 8 +Vo1 CS Co Cs Ci 10 +Vo2 1 GND 0V1 7 4 .7 -1 2 uH +Vo2 Co 0V2 9 100 Operating Temp.( C ) OUTLINE DIMENSIONS & FOOTPRINT DETAILS Firs t Angle Projection 1 2 (Bottom View) 6 7 8 9 10 9.50 (1. 079) RECOMMEN DED FOOTPR INT Top view,grid: 2.54 mm(0.1inch) diameter:1.00mm(0.039inch) 2.30± 0.50 (0.100) 1 2 6 7 8 9 10 (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 operation is ensured, the greatest capacitance of its filter capacitor sees (Table 1)Cin： 5V & 12V 100μF 24V & 48V 10μF-47μF Lin： 10μH-120μH Cout：100μF(TYP) Extemal Capacitor Table(Table 1) Vout(VDC) 2W:Cout(uF) 1W:Cout(uF) 5 680 470 9 470 330 12 330 220 15 220 100 Input current While using unstable power source, please ensure the output voltage and ripple voltage do not excced indexes of the converter. The 0.50 (0.020) Note: Unit :mm(inch) Pin sect ion:0. 50*0.30mm(0.020*0.012inch) Pin sect ion tolerances:±0. 05mm(± 0.002inch) General tolerances:± 0. 25mm(± 0.010inch) provide for converter sufficient starting current FOOTPR INT DETAILS Pin 1 2 6 7 8 9 10 Function GND Vin +Vo1 0V1 CS 0V2 +Vo2 Ip (Figure 2). General: Ip ≤1.4*Iin-max Input Current(A) (Side View) 12.00 (0.472) 4.10 preceding power source must be able to Ip Input Voltage Range Input Voltage (V) No parallel connection or plug and play. MORNSUN reserves the copyright Specifications subject to change without notice. WRD_S-1W & WRD_S-2W A/1-2008 Page 2 of 2