High Isolation Power Transformers EP7 Platform SMD Push Pull Transformer Reinforced insulation for isolated power supply driver 8mm creepage 5KVrms isolation (1000Vrms continuous) UL and TUV certified Electrical Specifications 25C - Operating Temperature -40C to +125C Inductance 1 2 Part (1-3) DCR (1-3) DCR (4-6) MAX (1-3) Turns Ratio Isolated Voltage Number (H 45%) ( MAX) ( MAX) (V-sec Max) (1:3) (6:4) (Vrms) PH9185.011NL 750 0.50 0.55 66 1CT : 1CT PH9185.012NL 450 0.40 0.80 52 1CT : 2CT PH9185.013NL 200 0.35 0.95 36 1CT : 3CT PH9185.021NL 1800 0.75 0.45 100 2CT : 1CT 5000 PH9185.034NL 750 0.50 0.75 66 3CT : 4CT PH9185.038NL 310 0.44 1.00 44 3CT : 8CT PH9185.043NL 1260 0.70 0.56 89 4CT : 3CT PH9185.083NL 2350 0.90 0.40 110 8CT : 3CT Notes: 1. The maximum volt-usec rating limits the peak flux density to 3600 gauss when 3. Optional Tape & Reel packing can be ordered by adding a T suffix to the part used in bi-polar drive application with 200KHz. For unipolar drive applications or a number (i.e. PH9185.012NL becomes PH9185.012NLT). Pulse complies to industry bi-polar drive with 350kHz, a maximum volt-usec could be 60% of the listed value. standard tape and reel specification EIA481. For Push-Pull topology, where the voltage is applied across half the primary wind- 4. The NL suffix indicates an RoHS-compliant part number. ing turns, the maximum volts-use needs to be derated by 50%. 5. Continuous isolation voltage confirmed by 125C/1000hrs accelerated aging with the 2. The AEC-Q200 temperature and humidity operational life testing was completed bias voltage applied between primary and secondary windings. using a dielectric strength test of 5000Vdc. Mechanical Schematic PH9185.XXXXNL 6 4 4 6 1 6 .100 2.54 Secondary Primary PH9185.XXXNL .100X2 2.54X2 R .370 .520 2 5 C US 9.40 13.21 Secondary E119132 F2 Primary .047 1.20 Weight ...................2.6grams 3 DATE CODE CTRY MFG 4 1 3 SCHEMATIC Tape & Reel ...............150/reel 1 3 SUGGESTED LAND PATTERN (.394) Tray .............................80/tray .394MAX 10.00 ( 10.00 ) 2X.100 2.54 Inches =.200.008 5.08.20 1 3 Dimensions: mm .492 MAX Unless otherwise specified, 12.50 MAX .010 all tolerances are 0,25 1 3 .079 REF .016.002 6 4 .005 .13 (.378) 2.00 REF .40.05 6 PLACES 9.60 .100.008 .079 REF .512 MAX 2.54.20 2.00 REF 13.00 MAX USA 858 674 8100 Germany 49 2354 777 100 Singapore 65 6287 8998 Shanghai 86 21 62787060 China 86 755 33966678 Taiwan 886 3 4356768 1 pulseelectronics.com P708.G (04/17)High Isolation Power Transformers EP7 Platform SMD Application PH9185.XXXNL is a series of high isolation power supply transformer drivers. Intended to operate in a fixed duty cycle Push Pull topology, it is a part of a low cost solution for delivering lower power (up to 3W) from a low voltage source. A typical implementation would be an isolated RS-485/RS-232 power supply driver circuit, the design is compatible with the MAXIM MAX253 IC. A schematic diagram for the Push Pull converter topology is given below. V IN PH9185 V CC D1 VOUT DRIVER IC D2 GND For a fixed 50% duty cycle mode of operation, the output voltage is simply determined by the input voltage and turns ratio. So, with the available turns ratios, a variety of output voltages can be selected. nd This transformer design has been certified by UL to comply with UL60950-1 2 edition, and CAN/CSA C22.2 nd NO. 60950-1-07 2 edition and by TUV to comply with EN61558-1 and EN61558-2-16 with reinforced insulation for a working voltage up to 400Vac 8mm creepage and 5000Vrms isolation voltage is guaranteed to meet this requirement. The design also complies with the Pulses class F insulation system. PH9185.013NL was not included in the original UL/TUV certification but is complaint. Cost reduced versions without UL/TUV certification available, please contact Pulse Electronics for more information. MAXIM is a registered trademark of Maxim Integrated Products. For More Information Pulse Worldwide Pulse Europe Pulse China Headquarters Pulse North China Pulse South Asia Pulse North Asia Headquarters Pulse Electronics GmbH B402, Shenzhen Academy of Room 2704/2705 135 Joo Seng Road 3F, No. 198 15255 Innovation Dr. Ste 100 Am Rottland 12 Aerospace Technology Bldg. Super Ocean Finance 03-02 Zhongyuan Road San Diego, CA 92128 58540 Meinerzhagen 10th Kejinan Road Ctr. PM Industrial Bldg. Zhongli City U.S.A. Germany High-Tech Zone 2067 Yan An Road Singapore 368363 Taoyuan County 320 Nanshan District West Taiwan R. O. C. Shenzhen, PR China 518057 Shanghai 200336 China Tel: 886 3 4356768 Tel: 858 674 8100 Tel: 49 2354 777 100 Tel: 86 755 33966678 Tel: 86 21 62787060 Tel: 65 6287 8998 Fax: 886 3 4356823 (Pulse) Fax: 858 674 8262 Fax: 49 2354 777 168 Fax: 86 755 33966700 Fax: 86 2162786973 Fax: 65 6287 8998 Fax: 886 3 4356820 (FRE) Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. Copyright, 2016. Pulse Electronics, Inc. All rights reserved. 2 pulseelectronics.com P708.G (04/17)