DATASHEET Rev. B LTW SERIES 4:1 Ultra Wide Input Voltage Ranges Triple Outputs 2.0 x 2.0 x 0.52 Inch Package 15W DC/DC Power Converters FEATURES • Triple Outputs • RoHS Compliant • 4:1 Ultra Wide Input Voltage Ranges • 15 Watts Output Power • Efficiency up to 80% • 100% Burn-in Tested • Short Circuit Protection • Remote ON/OFF Control • Six-Sided Shielding • 2.0 x 2.0 x 0.52 Inch Package APPLICATIONS • 1500VDC I/O Isolation • Wireless Networks • Wide Operating Temperature Range: -40°C to +85°C • Telecom / Datacom • MTBF > 1,500,000 Hours • Measurement Equipment • UL 94V-0 Package Material • Industry Control Systems • UL60950-1 Approvals • Semiconductor Equipment • Custom Solutions Available DESCRIPTION The LTW series of DC/DC power converters provides 15 Watts of continuous output power in a 2.0” x 2.0” x 0.52” package. This series has triple output models with 4:1 ultra wide input voltage ranges of 9-36VDC and 2072VDC. Some features include 1500VDC I/O isolation, remote ON/OFF control, six-sided shielding, efficiency up to 80%, and short circuit protection. This series is RoHS compliant and has UL 60950-1 safety approvals. These units are well suited for use in wireless networks, telecom/datacom applications, measurement equipment, industry control systems, and semiconductor equipment. All models are 100% burn-in tested. 08/26/2014 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 1 of 4 LTW Series 15 Watts Triple Outputs DC/DC Power Converters Rev. B SPECIFICATIONS: LTW Series All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted. We reserve the right to change specifications based on technological advances. SPECIFICATION TEST CONDITIONS Min Nom Max 24VDC nominal input models 9 24 36 48VDC nominal input models 20 48 72 Unit INPUT SPECIFICATIONS Input Voltage Range Input Filter VDC capacitor Remote ON/OFF yes OUTPUT SPECIFICATIONS Output Voltage Voltage Accuracy See Table 5VDC output, Io=1.5A ±5 ±12VDC outputs, Io=0.31A ±2 ±15VDC outputs, Io=0.25A Load Regulation 25% to 100% full load Line Regulation low line to high line at full load % ±2 ±0.2 Output Power 0 Output Current % ±1.0 % 15 W See Table Ripple & Noise 20MHz Bandwidth Transient Response Time 50% load step change 100 mVp-p 350 µs PROTECTION Short Circuit Protection Continuous, automatic recovery GENERAL SPECIFICATIONS Efficiency 80 % Switching Frequency 100 KHz Isolation Voltage (input to output) (2sec/0.5mA) 1500 VDC Isolation Resistance (input to output) 500VDC 1000 MΩ ENVIRONMENTAL SPECIFICATIONS Operating Temperature With derating (see derating curve) Storage Temperature Humidity (non-condensing) Cooling MTBF -40 +85 °C -40 +100 °C 95 % Free air convection MIL-HDBK-217F at 25°C, ground benign PHYSICAL SPECIFICATIONS Case Material Potting Material Shielding Weight 1,500,000 hours black coated copper with non-conductive base Epoxy (UL94V-0 rated) Six-sided 2.51oz (71.2g) 2.0 x 2.0 x 0.52 inches (50.8 x 50.8 x 13.2 mm) Dimensions (L x W x H) SAFETY & EMI Conducted Emissions Radiated Emissions EN55022 Class A EN55022 Class A Safety Approvals UL 60950-1 Due to advances in technology, specifications subject to change without notice. 08/26/2014 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 2 of 4 LTW Series 15 Watts Triple Outputs DC/DC Power Converters Rev. B MODEL SELECTION TABLE Model Number LTW2412-15EI LTW2415-15EI LTW4812-15EI LTW4815-15EI Vo1 Vo2 Vo3 Vo1 Vo2 Vo3 Vo1 Vo2 Vo3 Vo1 Vo2 Vo3 Input Voltage Range Output Voltage Output Current Output Power 24 VDC 5 VDC +12 VDC 1.5A 0.31A 15W -12 VDC 5 VDC +15 VDC -15VDC 5 VDC +12 VDC 0.31A 1.5A 0.25A 0.25A 1.5A 0.31A -12 VDC 5 VDC +15 VDC -15VDC 0.31A 1.5A 0.25A 0.25A (9 – 36 VDC) 24 VDC (9 – 36 VDC) 48 VDC (20 – 72 VDC) 48 VDC (20 – 72 VDC) 15W 15W 15W APPLICATIONS Test Circuit Recommended Filter for EN55022 Class A Compliance GRAPHS Derating Curve 08/26/2014 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Tolerance Page 3 of 4 Rev. B LTW Series 15 Watts Triple Outputs DC/DC Power Converters MECHANICAL DRAWING COMPANY INFORMATION Wall Industries, Inc. has created custom and modified units for over 50 years. Our in-house research and development engineers will provide a solution that exceeds your performance requirements on-time and on budget. Our ISO9001-2008 certification is just one example of our commitment to producing a high quality, well-documented product for our customers. Our past projects demonstrate our commitment to you, our customer. Wall Industries, Inc. has a reputation for working closely with its customers to ensure each solution meets or exceeds form, fit and function requirements. We will continue to provide ongoing support for your project above and beyond the design and production phases. Give us a call today to discuss your future projects. Contact Wall Industries for further information: Phone: Toll Free: Fax: E-mail: Web: Address: 08/26/2014 (603)778-2300 (888)587-9255 (603)778-9797 [email protected] www.wallindustries.com 37 Industrial Drive Exeter, NH 03833 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 4 of 4