WRE_CKS-1W & WRF_CKS-1W Series 1W, WIDE INPUT, ISOLATED & REGULATED DUAL/SINGLE OUTPUT SIP DC-DC CONVERTER multi-country patent protection RoHS FEATURES PRODUCT PROGRAM Efficiency up to 81% Wide (2:1) Input Range I/O Isolation 3000VDC Short circuit protection(automatic recovery) External On/Off control Internal SMD construction Operating Temperature: -40°C to +85°C UL94-V0 Package RoHS Compliance APPLICATIONS The WRE_CKS-1W & WRF_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. Part Number ±100 ±55 ±10 ±6 72 74 WRE0512CKS-1W * ±12 ±42 ±4 76 WRE0515CKS-1W * WRF0505CKS-1W * ±15 5 ±33 200 ±3 20 75 72 WRF0509CKS-1W * WRF0512CKS-1W * 9 12 111 83 11 8 74 76 WRF0515CKS-1W * 15 67 7 75 WRE1205CKS-1W WRE1209CKS-1W ±5 ±9 ±100 ±55 ±10 ±6 76 78 WRE1212CKS-1W WRE1215CKS-1W ±12 ±15 ±42 ±33 ±4 ±3 80 80 5 9 200 111 20 11 76 78 WRF1212CKS-1W 12 83 8 80 WRF1215CKS-1W WRE2405CKS-1W 15 ±5 67 ±100 7 ±10 80 78 WRE2409CKS-1W WRE2412CKS-1W ±9 ±12 ±55 ±42 ±6 ±4 79 81 ±15 ±33 ±3 81 5 9 200 111 20 11 76 78 WRF2412CKS-1W WRF2415CKS-1W 12 15 83 67 8 7 81 81 WRE4805CKS-1W * WRE4809CKS-1W * ±5 ±9 ±100 ±55 ±10 ±6 76 78 WRE4812CKS-1W * ±12 ±42 ±4 80 WRE4815CKS-1W * WRF4805CKS-1W * ±15 5 ±33 200 ±3 20 80 76 WRF4809CKS-1W * WRF4812CKS-1W * 9 12 111 83 11 8 78 80 WRF4815CKS-1W * 15 67 7 80 WRF1205CKS-1W WRF1209CKS-1W WRE2415CKS-1W WRF2405CKS-1W WRF2409CKS-1W and output(isolation voltage≤3000VDC); 3) Where the regulation of the output voltage and the output ripple noise are demanded. MODEL SELECTION WRE2412CKS-1W Rated Power Package Style Output Voltage Input Voltage Product Series 5 12 24 48 4.5-9.0 9.0-18 18-36 36-72 11 22 40 80 * Designing. **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 Item Test Conditions Output power Positive voltage accuracy Negative voltage accuracy 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 Efficiency (%, Typ) Current (mA) Max Min ±5 ±9 1) Where the voltage of the input power supply 2) Where isolation is necessary between input Output Voltage (VDC) WRE0505CKS-1W * WRE0509CKS-1W * These products apply to: is wide range (voltage range≤ 2:1); Input Voltage (VDC) Nominal Range Max** Min Typ 0.1 Refer To Recommended Circuit Refer To Recommended Circuit Max Units 1 W ±1 ±3 ±3 ±5 Load Regulation 10% to 100% load(WRF_CKS-1W) 10% to 100% load(WRE_CKS-1W) * ±0.5 ±0.75 ±0.75 ±1.0 Line Regulation Temperature Drift (Vout) Input voltage from Low To high Refer to recommended circuit ±0.2 ±0.5 ±0.03 %/°C Ripple & Noise** 20MHz Bandwidth 25 75 mVp-p Switching Frequency Input voltage range 100% load 300 % KHz * Dual output models unbalanced load(25/100%): ±5%Max. **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. WRE_CKS-1W & WRF_CKS-1W A/0-2008 Page 1 of 2 COMMON SPECIFICATION Item APPLICATION NOTE Test Conditions Min Typ Max Units 95 % Storage Humidity Operating Temperature -40 85 Storage Temperature -55 125 Temp. Rise at Full Load ripple, an “LC” filtering network may be connected to the input and output ends of the DC/DC °C 15 1.5mm from case for 10 seconds Isolation voltage Tested for 1 minute and 1mA max 3000 VDC Isolation resistance Test at 500VDC 1000 MΩ 300 100KHz,1V No-load power consumption Cooling D1 Ic R Vc 35 PF 120 mW V in 5 Co ut 0V 7 Lout 6 0V 7 Lout 1 G ND +Vo Cout C in g Note: 1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 4. See below recommended circuits for more details. 3 Lin 2 K hours Weight Cs 1 D1 I c R Plastic(UL94-V0) 1000 +Vo 8 G ND Vc MTBF 6 Cin Continuous, Automatic recovery Case Material 3 Lin 2 Vi n Dual Output 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 Cout -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 TYPICAL TEMPERATURE CURVE operation is ensured, the greatest capacitance of its filter capacitor sees (Table 1). General: Cin: 5V,12V 100μF 24V,48V 10μF Cout: 47μF(Typ.) Lin: 4.7μH -120μH Lout: 2.2μH-10μH Cs: 10μF-22μF External Capacitor Table(Table 1) Dual Vout Cout Single Vout Cout (VDC) (μF) (VDC) (μF) 5 680 ±5 330 9 560 ±9 270 12 470 ±12 220 15 330 ±15 150 100 Operating Temp.( C ) 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 shutdown; It should be note that the input 1 2 3 5 67 8 Bottom View RECOMMENDED FOOTPRINT Top view,grid:2 .54mm(0.1inch), diam eter:1.00m m(0.039inch) maximum 20mA will cause permanence damage to the converter. The value of R Can be derived as follows : Dual/Single Output current (Ic) should between 5-10mA, exceeding the VC-VD -1.0 R= 3 Ic Input current While using unstable power source, please 5 ensure the output voltage and ripple voltage do Side View Not e: Uni t:mm(inch) Pin section:0.50*0.30mm (0.020*0.012inch) Pin section tol erances: +0.10mm( +0. 004inch) General tolerances: +0.25mm( +0.010inch) FOOTPRINT DE TAILS not Single Pin 1 GND 2 Vin 3 CTRL 5 NC 6 +Vo 7 0V 8 CS NC:No Connection preceding power source must be able to provide Dual GND Vin CTRL NC +Vo 0V -Vo excced indexes of the converter. The for converter sufficient starting current Ip (Figure 2).General: Ip ≤1.4*Iin-max Input Current(A) 4.10 0.50 12.00 (0.866) Ip Input Voltage Range Input Voltage (V) No parallel connection or plug and play. MORNSUN reserves the copyright Specifications subject to change without notice. WRE_CKS-1W & WRF_CKS-1W A/0-2008 Page 2 of 2