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| NML SERIES Isolated 2W Single Output DC-DC Converters SELECTION GUIDE Nominal Input Voltage Output Voltage Output Current Input Current at Rated Load MTTF 1 Order Code NML0505S NML0509S NML0512S (V) 5 5 5 5 12 12 12 12 (V) 5 9 12 15 5 9 12 15 (mA) 400 222 167 133 400 222 167 133 (mA) 513 492 479 481 207 198 197 197 (%) 78 81 84 83 81 84 85 85 (pF) 19 27 32 27 28 42 46 54 kHrs 2327 1393 832 481 716 593 461 328 FEATURES s Wide Temperature performance at full 2 Watt load, -40C to 85C s Single Isolated Output s Pin Compatible with LME and NME Series s Industry Standard Pinout s 1kVDC Isolation s Efficiency to 85% s Power Density up to 2.01W/cm3 s 5V & 12V Input s 5V, 9V, 12V and 15V Output s Footprint from 1.05cm 2 s UL 94V-0 Package Material s No Heatsink Required s Internal SMD Construction s Toroidal Magnetics s Fully Encapsulated s No External Components Required s MTTF up to 2.9 Million hours s Custom Solutions Available s No Electrolytic or Tantalum Capacitors DESCRIPTION The NML Series of DC-DC Converters is particularly suited to isolating and/or converting DC power rails. 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 -40C and full 2 watt output at 85C. Pin compatibility with the NME and LME ensures ease of upgradeability. NML0515S NML1205S NML1209S NML1212S NML1215S 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. INPUT CHARACTERISTICS Parameter Conditions MIN TYP MAX Units Voltage Range Reflected Ripple Current Continuous operation, 5V input types Continuous operation, 12V input types 5V input types 12V input types 4.5 10.8 20 23 5 12 33 38 5.5 13.2 V mA p-p OUTPUT CHARACTERISTICS Parameter Conditions MIN TYP MAX Units Rated Power2 Voltage Set Point Accuracy Line Regulation TA= -40C to 85C See tolerance envelope 1.0 7.0 4.5 4.5 3.7 96 67 59 53 76 63 53 45 2 W High V IN to low V IN 10% load to rated load, 5V output types 10% load to rated load, 9V output types Load Regulation 10% load to rated load, 12V output types 10% load to rated load, 15V output types NML0505S, BW=DC to 20MHz NML0509S, BW=DC to 20MHz NML0512S, BW=DC to 20MHz NML0515S, BW=DC to 20MHz Ripple & Noise NML1205S, BW=DC to 20MHz NML1209S, BW=DC to 20MHz NML1212S, BW=DC to 20MHz NML1215S, BW=DC to 20MHz 1.2 8.5 5.2 5.5 8.5 %/% % 200 mV p-p ABSOLUTE MAXIMUM RATINGS Internal power dissipation Lead temperature 1.5mm from case for 10 seconds Input voltage V IN , NML05 types Input voltage V IN , NML12 types 805mW 300C 7V 15V www.dc-dc.com 1 Calculated using MIL-HDBK-217F with nominal input voltage at full load. 2 See derating curve All specifications typical at TA=25C, nominal input voltage and rated output current unless otherwise specified. NML SERIES Isolated 2W Single Output DC-DC Converters ISOLATION CHARACTERISTICS Parameter Conditions MIN TYP MAX Units PIN CONNECTIONS 1000 10 VDC G 4 Pin SIP PIN 1 GND 2 VIN 3 0V 4 +V Isolation Test Voltage Resistance Flash tested for 1 second Viso=500VDC GENERAL CHARACTERISTICS Parameter Conditions MIN TYP MAX Units Switching Frequency 5V input types 12V input types 90 90 kHz TEMPERATURE CHARACTERISTICS Parameter Conditions MIN TYP MAX Units Specification Storage Case Temperature Above Ambient Cooling All output types 5V output types All other output types Free air convection -40 -50 85 130 45 36 C C C PERFORMANCE CHARACTERISTICS tolerance envelope +10% +5% V nominal 4.0 +2.5% -2.5% -7.5% 2.0 1.0 0 3.0 temperature derating graph 85 Safe Operating Area 10 50 Output Load Current (%) 100 -40 0 50 100 Ambient Temperature (C) 150 MECHANICAL DIMENSIONS 4 Pin SIP Weight: 2.0g 14.00 3.380.50 0.30 0.20 7.50 10.0 NML0505S XYYWWi 1.25 7 .62 4.60 3.60 0.50 1 2 3 4 0.55 0.45 All dimensions in mm XX.XX 0.25mm. All pins on a 2.54mm pitch and within 0.25mm of true position. C&D Technologies (NCL) Limited reserve the right to alter or improve the specification, internal design or manufacturing process at any time, without notice. Please check with your supplier or visit our web site to ensure that you have the current and complete specification for your product before use. (c) C&D Technologies (NCL) Limited 2001 NDC NML.3 No part of this publication may be copied, transmitted or stored in a retrieval system or reproduced in any way including, but not limited to, photography, photocopy, magnetic or other recording means, without prior written permission from C&D Technologies (NCL) Limited. Instructions for use are available from www.dc-dc.com C&D Technologies (NCL) Ltd Tanners Drive, Blakelands North Milton Keynes MK14 5BU, England Tel: +44 (0)1908 615232 Fax:+44 (0)1908 617545 email: info@cdtechno-ncl.com www: http://www.dc-dc.com C&D Technologies (NCL), Inc. 5816 Creedmoor Road, Raleigh NC 27612, USA Tel: +1 (919) 571-9405 Fax: +1 (919) 571-9262 email: info@us.cdtechno-ncl.com |
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