NDL SERIES Isolated 2W Wide Input Single Output DC-DC Converters SELECTION GUIDE Input Nominal Rated 1 2 Output Current Current Input Output 3 4 Voltage Voltage Min Load Full Load Full Load MTTF Order Code (V) (V) (mA) (mA) (mA) (%) (pF) kHrs NDL0505S 5 5 100 400 606 66 26 2015 NDL0509S 5 9 55 222 558 71 27 1998 NDL0512S 5 12 42 167 559 71 26 1980 NDL0515S 5 15 33 134 549 73 27 1965 NDL1205S 12 5 100 400 228 73 39 1994 NDL1209S 12 9 55 222 211 79 38 1981 NDL1212S 12 12 42 167 208 80 47 1961 FEATURES NDL1215S 12 15 33 134 206 81 47 1947 NDL2405S 24 5 100 400 112 74 37 1722n2:1 Wide Range Voltage Input NDL2409S 24 9 55 222 102 81 40 1711 nContinuous Short Circuit Protection NDL2412S 24 12 42 167 100 81 51 1696 with Current Foldback NDL2415S 24 15 33 134 100 83 58 1685 NDL4805SnOperating Temperature Range 48 5 100 400 57 73 39 1719 NDL4809S 48 9 55 222 52 80 40 1709 –40°C to 85°C NDL4812S 48 12 42 167 51 81 53 1694 n0.5% Regulation NDL4815S 48 15 33 134 51 82 65 1683 n1kVDC Isolation INPUT CHARACTERISTICS nEfficiency to 83% Parameter Conditions MIN TYP MAX Units n5V, 12V, 24V & 48V Nominal Input All NDL05 Types 4.5 5 9 All NDL12 Types 9 12 18 n5V, 9V, 12V & 15V Output Voltage Range VDC All NDL24 Types 18 24 36 3 nPower Density 0.9W/cm All NDL48 Types 36 48 72 All NDL05 types when 100µF at input 250nExternal Control Reflected All NDL12 types when 100µF at input 150 mA p-pnNo Electrolytic Capacitors Ripple All NDL24 types when 10µF at input 300 380 Current nLow Noise All NDL48 types when 10µF at input 140 170 nFully Encapsulated OUTPUT CHARACTERISTICS 5 Parameter Conditions TYP MAX Units All NDL 05/12 types with external DESCRIPTION ±1 ±5 input/output capacitors Voltage Set % The NDL series is a range of high Point Accuracy All NDL 24/48 types with external ±2 ±5 input/output capacitors performance miniature DC-DC converters All NDL 05/12 types, Low line to high line, having regulated outputs over the wide 0.05 0.5 With external input/output capacitors temperature range of –40°C to 85°C. The Line Regulation % All NDL 24/48 types, Low line to high l i n e , 0.04 0.4 input voltage range is 2:1 with the output With external input/output capacitors power at 2 watts and the input to output All NDL 05/12 types, Minimum load to rated load, 0.2 0.75 isolation is 1kVDC. Continuous short circuit With external input/output capacitors Load Regulation % protection, external control and extremely All NDL 24/48 types, Minimum load to rated load, 0.2 0.75 With external input/output capacitors small SIP packaging provide state of the art B/W=20Hz to 300kHz functionality. The use of ceramic capacitors Ripple 5 10 mV rms With external input/output capacitors and a ceramic substrate, with a tough chip All NDL 05 types, B/W=DC to 100MHz 20 35 and wire bonded MOSFET power transistor With external input/output capacitors die and SMD construction, provide genuine All NDL 12 types, B/W=DC to 100MHz 110 170 Noise mV p-p With external input/output capacitors high reliability. Nominal input voltages of All NDL 24/48 types, B/W=DC to 100MHz 5,12,24 and 48V with output voltages of 50 100 With external input/output capacitors 5,9,12 and 15V are available as standard Shutdown Power V nominal 2.8 mW IN with custom parts on request. The plastic case is rated to UL 94V-0 with encapsulant to UL ABSOLUTE MAXIMUM RATINGS 94V-1. Connection pins are phosphor bronze Short-circuit protection continuous with a 60/40 tin lead solder dipped finish. Lead temperature 1.5mm from case for 10 seconds 300°C Control pin input current 10mA Input voltage 05 types 10V Input voltage 12 types 20V Input voltage 24 types 40V Input voltage 48 types 80V 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. www.dc-dc.com 5 Refer to recommended test circuit for external input/output capacitors. All specifications typical at T =25°C, nominal input voltage and rated output current unless otherwise specified. A NDL SERIES Isolated 2W Wide Input Single Output DC-DC Converters CTRL (PIN 3) ISOLATION CHARACTERISTICS Provides an on/off function. The converter Parameter Conditions MIN TYP MAX Units is on when CTRL is not connected or high Isolation Test Voltage Flash tested for 1 second 1000 VDC impedance (Z). The CTRL pin will turn the Resistance Viso=1000VDC 1 GW converter off as indicated in general characteristics. GENERAL CHARACTERISTICS Parameter Conditions MIN TYP MAX Units CS (PIN 8) Swiching Frequency MAX rated load to MIN rated load 100 600 kHz Additional capacitance, up to 100uF can be Control voltage applied via 1k0 resistor, Control Pin (CTRL) 4.0 6.0 mA added from CS to pin 7. A low ESR Input Current output voltage must reduce to 0V capacitor if fitted will precede the output filter inductor and will improve ripple and noise. ENVIRONMENTAL Parameter Conditions MIN TYP MAX Units Operation -40 85 °C Storage -50 130 °C Cooling Free air convection RECOMMENDED TEST CIRCUIT NDL05 POWER DERATING CURVE 2.5 V +V IN OUT 2.0 1.75 100µF, 25V 1.5 C C Philips Part No. IN OUT NDL 13556101 1.0 GND OV 0.5 0 5V & 12V: C 100µF, 25V Philips Part No.13556101 IN 4.5 5 6 7 8 9 24V & 48V: C 10µF, 200V Philips Part No.15162109 Input Voltage (V) IN MECHANICAL DIMENSIONS 21.80 PIN 0.30 max 1 GND 0.20 min 9.20 2 V IN 3 CTRL 3.20 5* IC 6 +V OUT 7 0V 2.01±0.50 8 C S NDL4805S Weight: 5.0g 11.10 XYYWW 1 2 3 5 6 7 8 *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 4.60 0.55 2.54 within ±0.25mm of true position. 3.60 0.45 C&D Technologies (NCL) Limited reserve the right to alter or improve the C&D Technologies (NCL) Ltd C&D Technologies (NCL), Inc. specification, internal design or manufacturing process at any time, without Tanners Drive, Blakelands North 3400 E Britannia Drive, Tucson, notice. Please check with your supplier or visit our web site to ensure that Milton Keynes MK14 5BU, England Arizona 85706, USA Tel: +44 (0)1908 615232 Tel: +1 (800) 547-2537 you have the current and complete specification for your product before use. Fax:+44 (0)1908 617545 Fax: +1 (520) 741-4598 © C&D Technologies (NCL) Limited 2002 NDC NDL.4 email: info@cdtechno-ncl.com email: sales@cdtechno.com 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 www: http://www.dc-dc.com written permission from C&D Technologies (NCL) Limited. Instructions for use are available from www.dc-dc.com