WRA_CKS-1W & WRB_CKS-1W Series 1W, WIDE INPUT, ISOLATED & REGULATED DUAL/SINGLE OUTPUT SIP DC-DC CONVERTER multi-country patent protection FEATURES RoHS PRODUCT PROGRAM Wide (2:1) Input Range I/0 Isolation 1500VDC Short circuit protection(automatic recovery) External On/Off control Internal SMD construction Operating Temperature: -40°C to +85°C Regulated Outputs UL94-V0 Package RoHS Compliance Input Part Number Output Voltage (VDC) Efficiency (%, Typ) Current (mA) Voltage (VDC) Max Min WRA0505CKS-1W * ±5 ±100 ±10 76 WRA0509CKS-1W * ±9 ±55 ±6 78 WRA0512CKS-1W * ±12 ±42 ±4 78 WRA0515CKS-1W * ±15 ±33 ±3 78 5 200 20 76 WRB0509CKS-1W * 9 111 11 78 WRB0512CKS-1W * 12 83 8 78 WRB0515CKS-1W * 15 67 7 78 WRA1205CKS-1W * ±5 ±100 ±10 78 Nominal WRB0505CKS-1W * 5 Range 4.5-9.0 Max** 11 WRA1209CKS-1W * ±9 ±55 ±6 79 WRA1212CKS-1W * ±12 ±42 ±4 80 WRA1215CKS-1W * ±15 ±33 ±3 80 5 200 20 78 WRB1209CKS-1W * 9 111 11 79 WRB1212CKS-1W * 12 83 8 80 WRB1215CKS-1W * 15 67 7 80 These products apply to: WRA2405CKS-1W ±5 ±100 ±10 78 1) Where the voltage of the input power supply WRA2409CKS-1W * ±9 ±55 ±6 82 is wide range (voltage range≤ 2:1); WRA2412CKS-1W * ±12 ±42 ±4 83 2) Where isolation is necessary between input WRA2415CKS-1W * ±15 ±33 ±3 83 and output(isolation voltage≤1500VDC); WRB2405CKS-1W 5 200 20 78 3) Where the regulation of the output voltage WRB2409CKS-1W * 9 111 11 82 and the output ripple noise are demanded. WRB2412CKS-1W * 12 83 8 83 WRB2415CKS-1W * 15 67 7 83 WRA4805CKS-1W * ±5 ±100 ±10 76 APPLICATIONS The WRA_CKS-1W & WRB_CKS-1W 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. WRB1205CKS-1W * 12 24 9.0-18 18-36 22 40 WRA4809CKS-1W * ±9 ±55 ±6 78 WRA4812CKS-1W * ±12 ±42 ±4 80 MODEL SELECTION WRA4815CKS-1W * ±15 ±33 ±3 80 WRA2412CKS-1W WRB4805CKS-1W * 5 200 20 76 WRB4809CKS-1W * 9 111 11 78 WRB4812CKS-1W * 12 83 8 80 WRB4815CKS-1W * 15 67 7 80 Rated Power Package Style Output Voltage Input Voltage Product Series 48 36-72 80 * Designing. **Input voltage can’t exceed this value, or will cause the permanent damage. OUTPUT SPECIFICATIONS Item Test Conditions Typ Max ±1 ±3 10% to 100% load(WRB_CKS-1W) ±0.5 ±0.75 10% to 100% load(WRA_CKS-1W) * ±0.5 ±1.0 Input voltage from Low To high ±0.2 Output Voltage accuracy Input voltage range refer to output load 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 Load Regulation Line Regulation Min Temperature Drift (Vout) Refer to recommended circuit Ripple & Noise 20MHz Bandwidth Switching Frequency Input voltage range 100% load Units % ±0.5 ±0.03 %/°C 75 mVp-p 25 180-500(PFM) KHz * Dual output models unbalanced load(25/100%): ±5%Max MORNSUN reserves the copyright Specifications subject to change without notice. WRA_CKS-1W & WRB_CKS-1W A/0-2008 Page 1 of 2 COMMON SPECIFICATION Item APPLICATION NOTE Test Conditions Min Typ Storage Humidity Max Units 95 % Operating Temperature -40 85 Storage Temperature -50 125 Temp. Rise at Full Load 15 ripple, an “LC” filtering network may be connected to the input and output ends of the DC/DC °C 35 1.5mm from case for 10 seconds Isolation voltage Tested for 1 minute and 1mA max 1500 VDC Isolation resistance Test at 500VDC 1000 MΩ 300 100KHz,1V No-load power consumption Cooling 35 PF 120 mW Co ut 0V 7 D1 I c R TYPICAL TEMPERATURE CURVE 6 L out +Vo Cou t C in 0V 7 g Note: 1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. Test ripple and noise by “parallel cable” method. See detailed operation instructions at Testing of Power Converter section, application notes. 3. Operation under 10% load will not damage the converter; However, they may not meet all specification listed. 4. See below recommended circuits for more details. 3 Lin 2 K hours 5 Cs 1 Dual Output V in Weight +V o 8 G ND Plastic(UL94-V0) 1000 6 Cin Vc MTBF 3 Li n 2 Vi n Continuous, Automatic recovery Case Material D1 Ic R Vc Free Air Convection Short Circuit Protection converter, see (Figure 1). Single Output Lead Temperature Isolation Capacitance Recommended circuit If you want to further decrease the input/output L ou t 1 GND Cou t -Vo 8 (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). General: Cin: 5V,12V 100μF 24V,48V 10uF Cout: 47μF(typ) Lin: 4.7μH -120μH Lout: 2.2μH-10μH Cs: 10uF-22uF External Capacitor Table(Table Single Vout Cout Dual Vout (VDC) (uF) (VDC) 5 680 ±5 9 560 ±9 12 470 ±12 15 330 ±15 100 Operating Temp.( C ) 1) Cout (uF) 330 270 220 150 OUTLINE DIMENSIONS & FOOTPRINT DETAILS CTRL Terminal When open or high impedance,the converter work well; When this pin is ‘high’; the converter First Angle Projection 1 2 3 5678 Bottom View shutdown; It should be note that the input RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch), diameter:1.00mm(0.039inch) current (Ic) should between 5-10mA, exceeding the maximum 20mA will cause permanence damage to the converter. The value of R Can be derived as follows : VC-VD -1.0 Dual/Single Output R= 3 22.00 (0.866) Ic Input current While using unstable power source, please 5 not Note: Unit:mm(inch) Pin section:0.50*0.30mm(0.020*0.012inch) Pin section tolerances: 0.10mm( 0.004inch) General tolerances: 0.25mm( 0.010inch) excced indexes of the converter. The FOOTPRINT DETAILS preceding power source must be able to provide Single Pin 1 GND 2 Vin 3 CTRL 5 NC 6 +Vo 7 0V 8 CS NC:No Connection for converter sufficient starting current Ip (Figure Dual GND Vin CTRL NC +Vo 0V -Vo 2).General: Ip ≤1.4*Iin-max Input Current(A) 4.10 0.50 12.00 ensure the output voltage and ripple voltage do Side View Ip Input Voltage Range Input Voltage (V) No parallel connection or plug and play. MORNSUN reserves the copyright Specifications subject to change without notice. WRA_CKS-1W & WRB_CKS-1W A/0-2008 Page 2 of 2