DATASHEET Rev. B LANCW3 SERIES 2:1 & 3:1 Wide Input Voltage Ranges Single & Dual Outputs High Power Density in 24-Pin DIP Package 3 Watt DC/DC Power Converters FEATURES • RoHS Compliant • Single & Dual Fully Regulated Outputs • 3 Watts Output Power • -40°C to +85°C Operating Temperature Range • 1.25” x 0.8” x 0.4” 24-Pin DIP Plastic Package • Short Circuit and Over Load Protection • 2:1 & 3:1 Wide Input Voltage Ranges • Input Filter meets EN55022 Class A and FCC Level A • 1500VDC I/O Isolation • UL/cUL 60950-1 (CSA Certificate) & IEC/EN 60950-1 • High Efficiency up to 81% Safety Approvals DESCRIPTION The LANCW3 series of DC/DC power converters provides 3 Watts of output power in a 1.25” x 0.8” x 0.4” 24pin DIP plastic package. This series consists of fully regulated single and dual output models with 2:1 wide input voltage ranges of 4.5~9VDC, 9~18VDC, 18~36VDC, and 36~75VDC and a 3:1 input voltage range of 10~30VDC. These converters operate over a temperature range of -40°C to +85°C while maintaining all specifications. This product features an input filter that meets EN 55022 Class A and FCC Level A requirements. Other features include efficiency up to 81%, 1500VDC I/O isolation, and over load and short circuit protection. These converters are RoHS compliant and have UL 60950-1 (CSA Certificate) and IEC/EN 60950-1 safety approvals. The LANCW3 series offers an economical solution for many cost critical applications in batterypowered equipment and instrumentation. 12/17/2012 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 1 of 6 LANCW3 Series Single and Dual Outputs 2:1 & 3:1 Wide Input Ranges 3 Watt DC/DC Power Converters Rev. B SPECIFICATIONS: LANCW3 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 Typ 4.5 9 10 18 36 -0.7 -0.7 -0.7 -0.7 -0.7 3.5 4.5 4.5 8 16 5 12 20 24 48 Max Unit INPUT SPECIFICATIONS Input Voltage Range Input Surge Voltage (1s max.) Start-up Voltage Under Voltage Shutdown 5VDC nominal input models 12VDC nominal input models 20VDC nominal input models 24VDC nominal input models 48VDC nominal input models 5VDC nominal input models 12VDC nominal input models 20VDC nominal input models 24VDC nominal input models 48VDC nominal input models 5VDC nominal input models 12VDC nominal input models 20VDC nominal input models 24VDC nominal input models 48VDC nominal input models 5VDC nominal input models 12VDC nominal input models 20VDC nominal input models 24VDC nominal input models 48VDC nominal input models Input Current Reflected Ripple Current (Page 5) Reverse Polarity Input Current Short Circuit Input Power Internal Power Dissipation Input Fuse OUTPUT SPECIFICATIONS Output Voltage Line Regulation Load Regulation Output Voltage Accuracy Output Voltage Balance Output Power Output Current Minimum Load (Note 1) Ripple & Noise (20MHz BW) (Page 5) Transient Recovery Time Transient Response Deviation Temperature Coefficient PROTECTION Short Circuit Protection Over Load Protection GENERAL SPECIFICATIONS Efficiency Switching Frequency Isolation Voltage (Input to Output) Isolation Resistance Isolation Capacitance 5VDC nominal input models 12VDC nominal input models 20VDC nominal input models 24VDC nominal input models 48VDC nominal input models See Table ±0.2 ±0.5 ±0.2 ±0.5 ±0.5 ±2.0 ±0.5 ±2.0 See Table See Table See Table 45 60 100 15 Low line to high line at full load 10% to 100% full load Full load an nominal Vin Dual Outputs, Balanced loads Over line, load, and temperature Measured to within 1% error band for a step change in output load from 75% to 100% 25% load step change foldback 120 Nominal input voltage and full load 60 seconds 500VDC 20VDC nominal input models Others Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 VDC VDC VDC A mW mW % % % % mVp-p mVp-p mVrms 500 µs ±3 ±0.01 ±5 ±0.02 % %/°C continuous TBD 1500 1000 100KHz, 1V VDC 300 See Table 330 Maximum Capacitive Load (Page 6) 12/17/2012 9 18 30 36 75 11 25 50 50 100 4 4.5 7 9 7 9 12 18 24 36 3.5 4 6.5 8.5 6.5 8.5 11 17 22 34 See Table See Table 1 1000 1500 2500 1500mA slow-blow type 700mA slow-blow type 600mA slow-blow type 350mA slow-blow type 135mA slow-blow type 500 150 See Table % KHz VDC MΩ pF Page 2 of 6 LANCW3 Series Single and Dual Outputs 2:1 & 3:1 Wide Input Ranges 3 Watt DC/DC Power Converters Rev. B SPECIFICATIONS: LANCW3 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 Typ Max Unit ENVIRONMENTAL SPECIFICATIONS 20VDC nominal input models -25 +85 Operating Ambient Temperature Range With derating °C Others -40 +85 Case Temperature +90 °C Storage Temperature -50 +125 °C Humidity (non-condensing) 95 % RH Cooling “natural convection” is about 20LFM but is not equal to still air Free air convection (20LFM) Lead Temperature 1.5mm from case for 10 seconds 260 °C MTBF (calculated) MIL-HDBK-217F at 25°C, Ground Benign 1,000,000 hours PHYSICAL SPECIFICATIONS Weight 0.44oz (12.4g) Dimensions (L x W x H) 1.25 x 0.80 x 0.40 inches (31.80 x 20.3 x 10.2 mm) Case Material Non-conductive black plastic Flammability UL 94V-0 rated SAFETY & EMI Safety Approvals UL/cUL 60950-1 recognition (CSA certificate). IEC/EN 60950-1 Conducted EMI Compliance to EN 55022, class A and FCC part 15, class A MODEL SELECTION TABLE SINGLE OUTPUT MODELS Model Number LANC505W3 LANC512W3 LANC515W3 LANC1205W3 LANC1212W3 LANC1215W3 LANC2405W3 LANC2412W3 LANC2415W3 LANC4805W3 LANC4812W3 LANC4815W3 LANC2005W3 LANC2012W3 LANC2015W3 Input Voltage 5 VDC (4.5 – 9 VDC) 12 VDC (9 – 18 VDC) 24 VDC (18 – 36 VDC) 48 VDC (36 – 75 VDC) 20 VDC (10 – 30 VDC) Output Voltage 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC Output Current Min (1) Max 60mA 600mA 25mA 250mA 20mA 200mA 60mA 600mA 25mA 250mA 20mA 200mA 60mA 600mA 25mA 250mA 20mA 200mA 60mA 600mA 25mA 250mA 20mA 200mA 60mA 600mA 25mA 250mA 20mA 200mA Output Voltage ±12 VDC ±15 VDC ±12 VDC ±15 VDC ±12 VDC ±15 VDC ±12 VDC ±15 VDC ±12 VDC ±15 VDC Output Current Min (1) Max ±12.5mA ±125mA ±10mA ±100mA ±12.5mA ±125mA ±10mA ±100mA ±12.5mA ±125mA ±10mA ±100mA ±12.5mA ±125mA ±10mA ±100mA ±12.5mA ±125mA ±10mA ±100mA Input Current Reflected Ripple No Load Max Load Current (Typ) 857mA 40mA 811mA 100mA 811mA 329mA 20mA 313mA 30mA 313mA 162mA 5mA 154mA 15mA 154mA 81mA 3mA 77mA 10mA 77mA 188mA 5mA 188mA 20mA 188mA Output Power 3W 3W 3W 3W 3W 3W 3W 3W 3W 3W 3W 3W 3W 3W 3W Efficiency 70% 74% 74% 76% 80% 80% 77% 81% 81% 77% 81% 81% 80% 80% 80% Maximum Capacitive Load 2000µF 2000µF 2000µF 2000µF 4000µF DUAL OUTPUT MODELS Model Number Input Voltage LANC512DW3 LANC515DW3 LANC1212DW3 LANC1215DW3 LANC2412DW3 LANC2415DW3 LANC4812DW3 LANC4815DW3 LANC2012DW3 LANC2015DW3 5 VDC (4.5 – 9 VDC) 12 VDC (9 – 18 VDC) 24 VDC (18 – 36 VDC) 48 VDC (36 – 75 VDC) 20 VDC (10 – 30 VDC) Input Current Reflected Ripple No Load Max Load Current (Typ) 811mA 40mA 100mA 811mA 313mA 20mA 30mA 313mA 154mA 5mA 15mA 154mA 77mA 3mA 10mA 77mA 188mA 5mA 20mA 188mA Output Power 3W 3W 3W 3W 3W 3W 3W 3W 3W 3W Efficiency 74% 74% 80% 80% 81% 81% 81% 81% 80% 80% Maximum Capacitive Load ±1000µF ±1000µF ±1000µF ±1000µF ±470µF NOTES 1. These power converters require a minimum output loading to maintain all specified regulations. Operation under no-load conditions will not damage these devices; however, they may not meet all the listed specifications. 2. All DC/DC converters should be externally fused at the front end for protection. *Due to advances in technology, specifications are subject to change without notice. 12/17/2012 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 3 of 6 LANCW3 Series Single and Dual Outputs 2:1 & 3:1 Wide Input Ranges 3 Watt DC/DC Power Converters Rev. B DERATING CURVES 20V Nominal Input Models 5V, 12V, 24V, and 48V Nominal Input Models MECHANICAL DRAWING 12/17/2012 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 4 of 6 Rev. B LANCW3 Series Single and Dual Outputs 2:1 & 3:1 Wide Input Ranges 3 Watt DC/DC Power Converters TEST CONFIGURATIONS Input Reflected-Ripple Current Test Setup Input reflected-ripple current is measured with an inductor Lin (4.7µH) and Cin (220µF, ESR < 1.0Ω at 100 KHz) to simulate source impedance. Capacitor Cin offsets possible battery impedance. Current ripple is measured at the input terminals of the module. Measurement bandwidth is 0-500 KHz. Peak-to-Peak Output Noise Measurement Test Use a Cout 0.47µF ceramic capacitor. Scope measurement should be made by using a BNC socket, measurement bandwidth is 0-20MHz. Position the load between 50mm and 75mm from the DC/DC Converter. DESIGN & FEATURE CONSIDERATIONS Over Current Protection To provide protection in a fault (output overload) condition, the unit is equipped with internal current limiting circuitry and can endure current limiting for an unlimited duration. At the point of current-limit inception, the unit shifts from voltage control to current control. The unit operates normally once the output current is brought back into its specified range. Input Source Impedance The power module should be connected to a low ac-impedance input source. Highly inductive source impedances can affect the stability of the power module. In applications where power is supplied over long lines and output loading is high, it may be necessary to use a capacitor at the input to ensure startup. Capacitor mounted close to the power module helps ensure stability of the unit, it is recommended to use a good quality low Equivalent Series Resistance (ESR < 1.0Ω at 100 KHz) capacitor of 8.2µF for 5V nominal input models, a 3.3µF for 12V nominal input models, and a 1.5µF for 24V and 48V nominal input models. 12/17/2012 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 5 of 6 Rev. B LANCW3 Series Single and Dual Outputs 2:1 & 3:1 Wide Input Ranges 3 Watt DC/DC Power Converters Output Ripple Reduction A good quality low ESR capacitor placed as close as possible across the load will give the best ripple and noise performance. To reduce output ripple, it is recommended to use 3.3µF capacitors at the output. Maximum Capacitive Load The LANCW3 series has a limitation of maximum connected capacitance on the output. The power module may be operated in current limiting mode during start-up, affecting the ramp-up and the start-up time. The maximum capacitance can be found in the model selection table. Thermal Considerations Many conditions affect the thermal performance of the power module, such as orientation, airflow over the module, and board spacing. To avoid exceeding the maximum temperature rating of the components inside the power module, the case temperature must be kept below 90°C. The derating curves are determined from measurements obtained in a test setup. 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: 12/17/2012 (603)778-2300 (888)587-9255 (603)778-9797 [email protected] www.wallindustries.com 5 Watson Brook Rd. Exeter, NH 03833 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 6 of 6