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| NMD SERIES Isolated 1W Twin Output DC-DC Converters SELECTION GUIDE Nominal Input Output Output Output Output Voltage Voltage 1 Voltage 2 Current 1 Current 2 Efficiency MTTF1 Order Code NMD050503D NMD050503S NMD050505D NMD050505S NMD050509D (V) 5 5 5 5 5 5 5 5 5 5 12 12 12 12 12 12 12 12 (V) 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 (V) 3.3 3.3 5 5 9 9 12 12 15 15 5 5 9 9 12 12 15 15 (mA) 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 (mA) 152 152 100 100 56 56 42 42 34 34 100 100 56 56 42 42 34 34 (%) 70 70 70 70 80 80 80 80 80 80 70 70 80 80 80 80 80 80 kHrs 1615 1615 1615 1615 669 669 339 339 187 187 489 489 343 343 229 229 148 148 DIP SIP DIP SIP DIP SIP DIP SIP DIP SIP DIP SIP DIP SIP DIP SIP DIP SIP FEATURES s Twin Independent Outputs s Output/Output Isolation 1kVDC s Power Sharing on Outputs s Input/Output Isolation 1kVDC s SIP & DIP Package Styles s Efficiency to 80% s Power Density 0.85W/cm 3 s 5V & 12V Input s One 5V Output (V1) s 3.3V, 5V, 9V, 12V and 15V Output (V2) s Footprint from 1.17cm 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 1.9 Million hours s PCB Mounting s Custom Solutions Available DESCRIPTION The NMD series of DC-DC converters are ideally suited to applications where a potential difference exists between loads, eg motor control circuits. The twin outputs offer cost and space savings by consolidating two DC-DC Converters into one package. All of the rated power may be drawn from a single output provided the total load does not exceed 1 Watt. NMD050509S NMD050512D NMD050512S NMD050515D NMD050515S NMD120505D NMD120505S NMD120509D NMD120509S NMD120512D NMD120512S NMD120515D NMD120515S 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 Continuous operation, 5V input types Continuous operation, 12V input types 4.5 10.8 5 12 5.5 13.2 V OUTPUT CHARACTERISTICS Parameter Conditions MIN TYP MAX Units High V IN to low V IN 10% load to rated load, 3.3V output types 10% load to rated load, 5V output types Load Regulation 10% load to rated load, 9V output types 10% load to rated load, 12V output types 10% load to rated load, 15V output types Ripple & Noise BW=DC to 20MHz, All output types Rated Power2 Voltage Set Point Accuracy Line Regulation TA= 0C to 125C See tolerance envelope 1.0 1 W 1.2 15 15 10 10 10 75 %/% % mV p-p ABSOLUTE MAXIMUM RATINGS Short-circuit duration 3 Lead temperature 1.5mm from case for 10 seconds Input voltage V IN , NMD05 types Input voltage V IN , NMD12 types 1 second 300C 7V 15V www.dc-dc.com 1 Calculated using MIL-HDBK-217F with nominal input voltage at full load. 2 See derating curve 3 Supply voltage must be discontinued at the end of the short circuit duration. All specifications typical at TA=25C, nominal input voltage and rated output current unless otherwise specified. NMD SERIES Isolated 1W Twin Output DC-DC Converters ISOLATION CHARACTERISTICS Parameter Conditions MIN TYP MAX Units PIN CONNECTIONS 1000 1 VDC G 14 Pin DIP PIN 1 GND 7 NC 8 0V 9 +V2 10 0V 11 +V1 14 VIN 7 Pin PIN 1 2 4 5 6 7 SIP VIN GND +V1 0V +V2 0V Isolation Test Voltage Resistance Flash tested for 1 second Viso=500VDC GENERAL CHARACTERISTICS Parameter Conditions MIN TYP MAX Units Switching Frequency All input types 100 kHz TEMPERATURE CHARACTERISTICS Parameter Conditions MIN TYP MAX Units Specification Storage Cooling All output types Free air convection 0 -55 70 150 C C PERFORMANCE CHARACTERISTICS tolerance envelope +10% +5% V nominal 2.0 +2.5% -2.5% -7.5% 1.0 0.5 0 1.5 temperature derating graph Safe Operating Area 10 50 Output Load Current (%) 100 -40 0 50 70 100 125 150 Ambient Temperature (C) MECHANICAL DIMENSIONS 14 Pin DIP Weight: 2.3g 19.80 15.24 NMD050509D 9.80 6.80 7.62 4.1 7.62 0.500.05 1 7 0.250.05 YYWW 14 1 10 9 1 8 7 Pin SIP Weight: 2.3g 19.50 2.00 6.00 10.0 NMD120515S YYWW 1.25 0.250.05 15.24 4.1 12 4 5 6 7 0.500.05 0.500.05 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 NMD.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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