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NKA1205SC Datasheet(PDF) 1 Page - Murata Manufacturing Co., Ltd. |
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NKA1205SC Datasheet(HTML) 1 Page - Murata Manufacturing Co., Ltd. |
1 / 4 page KDC_NKAC.I02 Page 1 of 4 Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com NKA Series Isolated Sub-Miniature 1W Dual Output DC/DC Converters For full details go to www.murata-ps.com/rohs SELECTION GUIDE Order Code Nominal Input Voltage Output Voltage Output Current Input Current at Rated Load Efficiency Isolation Capacitance MTTF1 Package Style V V mA mA % pF kHrs NKA0303DC 3.3 ±3.3 ±152 407 74 20 195 DIP NKA0305DC 3.3 ±5 ±100 383 79 22 1121 NKA0309DC 3.3 ±9 ±56 402 75 30 1035 NKA0312DC 3.3 ±12 ±42 390 78 31 375 NKA0315DC 3.3 ±15 ±33 384 79 32 206 NKA0303SC 3.3 ±3.3 ±152 407 74 20 195 SIP NKA0305SC 3.3 ±5 ±100 383 79 22 1121 NKA0309SC 3.3 ±9 ±56 402 75 30 1035 NKA0312SC 3.3 ±12 ±42 390 78 31 375 NKA0315SC 3.3 ±15 ±33 384 79 32 206 NKA0503DC 5 ±3.3 ±152 259 77 22 205 DIP NKA0505DC 5 ±5 ±100 285 70 21 1697 NKA0505DEC 5 ±5 ±100 249 80 26 1557 NKA0509DC 5 ±9 ±56 263 76 25 682 NKA0512DC 5 ±12 ±42 255 78 28 343 NKA0515DC 5 ±15 ±33 253 79 29 188 NKA0503SC 5 ±3.3 ±152 259 77 22 205 SIP NKA0505SC 5 ±5 ±100 285 70 21 1697 NKA0505SEC 5 ±5 ±100 249 80 26 1557 NKA0509SC 5 ±9 ±56 263 76 25 682 NKA0512SC 5 ±12 ±42 255 78 28 343 NKA0515SC 5 ±15 ±33 253 79 29 188 NKA1205DC 12 ±5 ±100 112 74 33 559 DIP NKA1209DC 12 ±9 ±56 106 79 48 375 NKA1212DC 12 ±12 ±42 104 81 55 243 NKA1215DC 12 ±15 ±33 102 82 60 154 NKA1205SC 12 ±5 ±100 112 74 33 559 SIP NKA1209SC 12 ±9 ±56 106 79 48 375 NKA1212SC 12 ±12 ±42 104 81 55 243 NKA1215SC 12 ±15 ±33 102 82 60 154 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. NKA0505DEC/NKA0505SEC offer higher efficiency than NKA0505SC/NKA0505DC but over a narrower operating temperature range. See temperature characteristics graph. INPUT CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Voltage range Continuous operation, 3.3V input types 2.97 3.3 3.63 V Continuous operation, 5V input types 4.5 5 5.5 Continuous operation, 12V input types 10.8 12 13.2 Reflected ripple current 3.3V input types 30 60 mA p-p All other types 20 35 ABSOLUTE MAXIMUM RATINGS Short-circuit protection2 1 second Lead temperature 1.5mm from case for 10 seconds 300°C Internal power dissipation 550mW Input voltage VIN, NKA03 types 5.5V Input voltage VIN, NKA05 types 7V Input voltage VIN, NKA12 types 15V 1. Calculated using MIL-HDBK-217F with nominal input voltage at full load. 2. Supply voltage must be discontinued 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. DESCRIPTION The NKA sub-miniature series of industrial temperature range DC/DC converters are the standard building blocks for on-board distributed power systems. The series offers smaller package size, improved efficiency, lower output ripple and 3kVDC isolation capability through the use of state of the art packaging and technology. Ideally suited for providing dual rail supplies on primarily digital boards with the added benefit of galvanic isolation to reduce switching noise. All of the rated power may be drawn from a single pin provided the total load does not exceed 1 watt. FEATURES RoHS compliant Efficiency up to 82% Wide temperature performance at full 1 Watt load, –40°C to 85°C UL 94V-0 package material Reduced footprint at 0.98cm2 Industry standard pinout Power sharing on output 3.3V, 5V & 12V Input 3.3V, 5V, 9V, 12V and 15V output Internal SMD construction Fully encapsulated with toroidal magnetics No external components required MTTF up to 1.6 Million hours No electrolytic or tantalum capacitors |
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