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| NDL SERIES Isolated 2W Wide Input Single Output DC-DC Converters SELECTION GUIDE Nominal Rated Input Output Voltage Voltage Output Current 1 Min Load3 Full Load Input Current2 Full Load MTTF4 Order Code NDL0505S NDL0509S NDL0512S NDL0515S NDL1205S NDL1209S NDL1212S NDL1215S NDL2405S NDL2409S NDL2412S NDL2415S NDL4805S NDL4809S NDL4812S NDL4815S FEATURES s 2:1 Wide Range Voltage Input s Continuous Short Circuit Protection with Current Foldback s Operating Temperature Range -40C to 85C s 0.5% Regulation s 1kVDC Isolation s Efficiency to 83% s 5V, 12V, 24V & 48V Nominal Input s 5V, 9V, 12V & 15V Output s Power Density 0.9W/cm 3 s External Control s No Electrolytic Capacitors s Low Noise s Fully Encapsulated DESCRIPTION The NDL series is a range of high performance miniature DC-DC converters having regulated outputs over the wide temperature range of -40C to 85C. The input voltage range is 2:1 with the output power at 2 watts and the input to output isolation is 1kVDC. Continuous short circuit protection, external control and extremely small SIP packaging provide state of the art functionality. The use of ceramic capacitors and a ceramic substrate, with a tough chip and wire bonded MOSFET power transistor die and SMD construction, provide genuine high reliability. Nominal input voltages of 5,12,24 and 48V with output voltages of 5,9,12 and 15V are available as standard with custom parts on request. The plastic case is rated to UL 94V-0 with encapsulant to UL 94V-1. Connection pins are phosphor bronze with a 60/40 tin lead solder dipped finish. (V) 5 5 5 5 12 12 12 12 24 24 24 24 48 48 48 48 (V) 5 9 12 15 5 9 12 15 5 9 12 15 5 9 12 15 (mA) 100 55 42 33 100 55 42 33 100 55 42 33 100 55 42 33 (mA) 400 222 167 134 400 222 167 134 400 222 167 134 400 222 167 134 (mA) 606 558 559 549 228 211 208 206 112 102 100 100 57 52 51 51 MIN (%) 66 71 71 73 73 79 80 81 74 81 81 83 73 80 81 82 TYP (pF) 26 27 26 27 39 38 47 47 37 40 51 58 39 40 53 65 MAX kHrs 2015 1998 1980 1965 1994 1981 1961 1947 1722 1711 1696 1685 1719 1709 1694 1683 Units INPUT CHARACTERISTICS Parameter Conditions Voltage Range Reflected Ripple Current All NDL05 Types All NDL12 Types All NDL24 Types All NDL48 Types All NDL05 types when All NDL12 types when All NDL24 types when All NDL48 types when Conditions5 4.5 9 18 36 100F at input 100F at input 10F at input 10F at input 5 12 24 48 300 140 TYP 9 18 36 72 250 150 380 170 MAX VDC mA p-p OUTPUT CHARACTERISTICS Parameter Units All NDL 05/12 types with external input/output capacitors Voltage Set Point Accuracy All NDL 24/48 types with external input/output capacitors All NDL 05/12 types, Low line to high line, With external input/output capacitors Line Regulation All NDL 24/48 types, Low line to high line, With external input/output capacitors All NDL 05/12 types, Minimum load to rated load, With external input/output capacitors Load Regulation All NDL 24/48 types, Minimum load to rated load, With external input/output capacitors B/W=20Hz to 300kHz Ripple With external input/output capacitors All NDL 05 types, B/W=DC to 100MHz With external input/output capacitors All NDL 12 types, B/W=DC to 100MHz Noise With external input/output capacitors All NDL 24/48 types, B/W=DC to 100MHz With external input/output capacitors Shutdown Power VIN nominal 1 2 0.05 0.04 0.2 0.2 5 20 110 50 5 5 0.5 0.4 0.75 0.75 10 35 170 100 2.8 mW mV p-p % mV rms % % ABSOLUTE MAXIMUM RATINGS Short-circuit protection Lead temperature 1.5mm from case for 10 seconds Control pin input current Input voltage 05 types Input voltage 12 types Input voltage 24 types Input voltage 48 types continuous 300C 10mA 10V 20V 40V 80V www.dc-dc.com 1 Refer to power derating graph for operation of 5V input types at 4.5 to 6V. 2 Measured at full load with external input/output capacitors, refer to recommended test circuit. 3 A lower load condition is entirely safe but higher levels of output ripple will be experienced. 4 Calculated using MIL-HDBK-217F with nominal input voltage at full load. 5 Refer to recommended test circuit for external input/output capacitors. All specifications typical at TA =25C, nominal input voltage and rated output current unless otherwise specified. NDL SERIES Isolated 2W Wide Input Single Output DC-DC Converters ISOLATION CHARACTERISTICS Parameter Conditions MIN TYP MAX Units CTRL (PIN 3) 1000 1 VDC G Provides an on/off function. The converter is on when CTRL is not connected or high impedance (Z). The CTRL pin will turn the converter off as indicated in general characteristics. Isolation Test Voltage Resistance Flash tested for 1 second Viso=1000VDC GENERAL CHARACTERISTICS Parameter Conditions MIN TYP MAX Units Swiching Frequency Control Pin (CTRL) Input Current MAX rated load to MIN rated load 100 Control voltage applied via 1k0 resistor, output voltage must reduce to 0V 600 4.0 6.0 kHz mA CS (PIN 8) Additional capacitance, up to 100uF can be added from CS to pin 7. A low ESR capacitor if fitted will precede the output filter inductor and will improve ripple and noise. ENVIRONMENTAL Parameter Conditions MIN TYP MAX Units Operation Storage Cooling -40 -50 Free air convection 85 130 C C RECOMMENDED TEST CIRCUIT V IN +VOUT 100F, 25V Philips Part No. 13556101 OV NDL05 POWER DERATING CURVE 2.5 2.0 1.75 1.5 1.0 0.5 0 4.5 5 CIN NDL COUT GND 5V & 12V: CIN 100F, 25V Philips Part No.13556101 24V & 48V: CIN 10F, 200V Philips Part No.15162109 6 7 Input Voltage (V) 8 9 MECHANICAL DIMENSIONS 21.80 9.20 3.20 2.010.50 0.30 max 0.20 min NDL4805S 11.10 PIN 1 GND 2 VIN 3 CTRL 5* IC 6 +VOUT 7 0V 8 CS Weight: 5.0g XYYWW 12 4.60 3.60 3 2.54 5 6 7 8 0.55 0.45 *Pin 5 is internally connected and must have no external connection 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 2002 NDC NDL.4 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. 3400 E Britannia Drive, Tucson, Arizona 85706, USA Tel: +1 (800) 547-2537 Fax: +1 (520) 741-4598 email: sales@cdtechno.com |
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