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NKE0505SEC

製品説明
仕様・特性

NKE Series Isolated Sub-Miniature 1W Single Output DC/DC Converters SELECTION GUIDE Order Code FEATURES n RoHS Compliant n Sub-Miniature SIP & DIP Styles n 3kVDC Isolation n Efficiency up to 81% n Wide Temperature performance at full 1 Watt load, –40°C to 85°C n Increased Power Density to 2.09W/cm3 n UL 94V-0 Package Material n Footprint at 0.69cm 2 n Industry Standard Pinout n 3.3V, 5V & 12V Input n 3.3V, 5V, 9V, 12V and 15V Output n No Heatsink Required n Internal SMD Construction n Fully Encapsulated with Toroidal Magnetics n MTTF up to 2.4 Million hours n Custom Solutions Available n No Electrolytic or Tantalum Capacitors DESCRIPTION NKE0303DC NKE0305DC NKE0309DC NKE0303SC NKE0305SC NKE0309SC NKE0503DC NKE0505DC NKE0505DEC NKE0509DC NKE0512DC NKE0515DC NKE0503SC NKE0505SC NKE0505SEC NKE0509SC NKE0512SC NKE0515SC NKE1205DC NKE1209DC NKE1212DC NKE1215DC NKE1205SC NKE1209SC NKE1212SC NKE1215SC   mA 303 200 111 303 200 111 303 200 200 111 83 66 303 200 200 111 83 66 200 111 83 66 200 111 83 66 400 400 403 400 400 403 270 289 250 266 260 256 270 289 250 266 260 256 117 107 105 103 117 107 105 103 Output Voltage Output Current Efficiency % Isolation MTTF1 Package Capacitance Style pF kHrs 75 76 75 75 76 75 75 69 78 75 77 78 75 69 78 75 77 78 71 78 79 81 71 78 79 81 30 35 30 30 35 30 40 28 34 29 30 32 40 28 34 29 30 32 35 50 57 60 35 50 57 60 1234 632 1204 1234 632 1204 619 2414 419 1173 633 360 619 2414 419 1173 633 360 620 488 360 252 620 488 360 252 DIP SIP DIP SIP DIP SIP When operated with additional external load capacitance the rise time of the input voltage will determine the maximum external capacitance value for guaranteed start up. The slower the rise time of the input voltage the greater the maximum value of the additional external capacitance for reliable start up. NKE0505SEC/NKE0505DEC offers higher efficiency than NKE0505SC/NKE0505DC but over a narrower operating temperature range. See temperature characteristics graph. INPUT CHARACTERISTICS Parameter The NKE sub-miniature series of DC/DC Converters is particularly suited to isolating and/or converting DC power rails. A smaller package size, improved efficiency, lower output ripple and 3kVDC isolation capability through state of the art packaging and improved technology. The galvanic isolation allows the device to be configured to provide an isolated negative rail in systems where only positive rails exist. The wide temperature range guarantees startup from –40°C and full 1 watt output at 85°C. V 3.3 3.3 3.3 3.3 3.3 3.3 5 5 5 5 5 5 5 5 5 5 5 5 12 12 12 12 12 12 12 12 Input Current at Rated Load mA 3.3 5 9 3.3 5 9 3.3 5 5 9 12 15 3.3 5 5 9 12 15 5 9 12 15 5 9 12 15 Nominal Input Voltage V Voltage range Reflected ripple current Conditions Min. Typ. Max. Continuous operation, 3.3V input types Continuous operation, 5V input types Continuous operation, 12V input types 3.3V input types 2.97 4.5 10.8 3.3 5.0 12.0 40 3.63 5.5 13.2 60 Units V mA p-p ABSOLUTE MAXIMUM RATINGS Short-circuit protection2 Lead temperature 1.5mm from case for 10 seconds Internal power dissipation Input voltage VIN, NKE03 types Input voltage VIN, NKE05 types Input voltage VIN, NKE12 types 1 second 300°C 530mW 5.5V 7V 15V 1. Calculated using MIL-HDBK-217F with nominal input voltage at full load. 2. Supply voltage must be disconnected at the end of the short circuit duration. All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified. For full details go to www.murata-ps.com/rohs www.murata-ps.com Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 KDC_NKEC.I02 Page 1 of 4

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