DCMSAU1 SERIES 1 Watt DC/DC Power Converters Rev B FEATURES • 1 Watt Output Power • -40°C to +85°C Operating Temperature • Single & Dual Outputs • SMT Package with Industry Standard Pin-out • High I/O Isolation: 3000VDC • Qualified for Lead-free Reflow Solder Processes • High Accuracy of Pin Planarity • MTBF > 2,000,000 Hours According to IPC/JEDEC J-STD-020D • Tape & Reel Packaging Available • Water-washable process available • Efficiency up to 80% DESCRIPTION Size: 0.60 x 0.31 x 0.28 inches 15.3 x 8.0 x 7.1 mm Weight: 0.08oz (2.2g) The DCMSAU1 series of DC/DC converters provides 1 Watt of output power in an SMT package featuring high I/O isolation of 3000VDC. These converters operate over input voltage ranges of 4.5~5.5VDC, 10.8~13.2VDC, and 21.6~26.4VDC. This series also has single and dual output voltages of 5V, 12V, 15V, ±5V, ±12V, and ±15V. The DCMSAU1 series’ impressive efficiencies enable these modules to deliver their fully rated output power from –40°C to +85°C without a heatsink or forced-air cooling. The very small footprint of these converters makes them an ideal solution for many applications where a voltage has to be isolated such as for noise reduction, ground loop elimination in digital interfaces, or where a higher I/O isolation is required. These converters are also fully qualified for the higher temperature profile used in lead-free reflow solder processes. These converters can also be supplied in tape & reel packaging for use in automated SMD production lines. MODEL SELECTION TABLE SINGLE OUTPUT MODELS Model Number DCMSAU505H-1 DCMSAU512H-1 DCMSAU515H-1 DCMSAU1205H-1 DCMSAU1212H-1 DCMSAU1215H-1 DCMSAU2405H-1 DCMSAU2412H-1 DCMSAU2415H-1 Input Voltage 5 VDC (4.5 - 5.5 VDC) 12 VDC (10.8 - 13.2 VDC) 24 VDC (21.6 - 26.4 VDC) Output Voltage 5 VDC Output Current Min Max 4mA 200mA 12 VDC 1.5mA 84mA 15 VDC 1mA 5 VDC 4mA 12 VDC 1.5mA 84mA 15 VDC 1mA 5 VDC 4mA 12 VDC 1.5mA 84mA 15 VDC 1mA 67mA Input Current Load No Load Max Load Regulation 281mA 10% 30mA 258mA 7% 67mA 258mA 7% 200mA 117mA 8% 106mA 5% 67mA 104mA 200mA 58mA 12mA 7mA Output Maximum Efficiency Power Capacitive Load 1W 71% 33µF 1W 78% 4.7µF 1W 78% 4.7µF 1W 71% 33µF 1W 79% 4.7µF 5% 1W 80% 4.7µF 8% 1W 71% 33µF 53mA 5% 1W 78% 4.7µF 43mA 5% 1W 79% 4.7µF DUAL OUTPUT MODELS Model Number DCMSAU505DH-1 DCMSAU512DH-1 DCMSAU515DH-1 DCMSAU1205DH-1 DCMSAU1212DH-1 DCMSAU1215DH-1 DCMSAU2405DH-1 DCMSAU2412DH-1 DCMSAU2415DH-1 Input Voltage Output Voltage ±5 VDC Output Current Min Max ±2mA ±100mA 5 VDC (4.5 - 5.5 VDC) ±12 VDC ±0.8mA ±42mA ±15 VDC ±0.7mA ±34mA 12 VDC (10.8 - 13.2 VDC) ±5 VDC ±2mA ±100mA ±12 VDC ±0.8mA ±42mA ±15 VDC ±0.7mA ±34mA 24 VDC (21.6 - 26.4 VDC) ±5 VDC ±2mA ±100mA ±12 VDC ±0.8mA ±42mA ±15 VDC ±0.7mA ±34mA Input Current Load No Load Max Load Regulation 277mA 10% 30mA 12mA 7mA Output Maximum Efficiency Power Capacitive Load 1W 72% ±10µF 255mA 7% 1W 78% ±2.2µF 258mA 7% 1W 79% ±2.2µF 112mA 8% 1W 74% ±10µF 105mA 5% 1W 80% ±2.2µF 104mA 5% 1W 81% ±2.2µF 57mA 8% 1W 72% ±10µF 53mA 5% 1W 79% ±2.2µF 53mA 5% 1W 80% ±2.2µF NOTES 1. The DCMSAU1 series requires a minimum output loading to maintain specified regulations. Operation under no-load conditions will not damage these devices; however they may not meet all listed specifications. 2. All DC/DC converters should be externally fused at the front end for protection. 3. Other input and output voltages may be available, please contact factory. *Due to advances in technology, specifications are subject to change without notice. 10/23/2013 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-7789797 website: www.wallindustries.com • e-mail: [email protected] Page 1 of 5 Rev B DCMSAU1 SERIES 1 Watt DC/DC Power Converters SPECIFICATIONS: DCMSAU1 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 10.8 21.6 -0.7 -0.7 -0.7 5 12 24 Max Unit INPUT SPECIFICATIONS Input Voltage Range Input Surge Voltage (1sec, max.) 5VDC nominal input models 12VDC nominal input models 24 VDC nominal input models 5VDC nominal input models 12VDC nominal input models 24 VDC nominal input models Reverse Polarity Input Current Input Current Internal Power Dissipation Input Filter 5VDC nominal input models 12VDC nominal input models 24 VDC nominal input models Input Fuse 5.5 13.2 VDC 26.4 9 18 VDC 30 0.3 A See Table 550 mW Internal capacitor 500mA slow-blow type 200mA slow-blow type 100mA slow-blow type OUTPUT SPECIFICATIONS Output Voltage Output Voltage Accuracy Output Voltage Balance (Dual Outputs) Line Regulation Load Regulation Output Power Output Current Minimum Load Maximum Capacitive Load Ripple & Noise (20MHz) See Table ±1.5 ±4.0 % Balanced loads ±0.1 ±1.0 % For Vin change of 1% 20% load to 100% load ±1.2 ±1.5 See Table 1 See Table See Table See Table 75 100 150 15 ±0.01 ±0.02 % See Note 1 Over line, over load, and over temperature Temperature Coefficient W mVp-p mVp-p mV rms %/°C PROTECTION Short Circuit Protection Automatic Recovery 0.5 s GENERAL SPECIFICATIONS Efficiency Switching Frequency Isolation Voltage (I/P to O/P) Isolation Resistance (I/P to O/P) Isolation Capacitance (I/P to O/P) Nominal input voltage and full load 60 seconds 500VDC 100KHz, 1V See Table 100 150 50 3000 10 60 KHz VDC GΩ pF 100 ENVIRONMENTAL SPECIFICATIONS Operating Ambient Temperature Case Temperature Storage Temperature Relative Humidity Cooling Lead Temperature Moisture Sensitivity Level (MSL) MTBF See derating curve -40 +85 +90 +125 95 Free air convection 300 Level 2 -50 Non-condensing 1.5mm from case for 10 sec. IPC/JEDEC J-STD-020D MIL-HDBK-217F at 25°C, ground benign °C °C °C % RH °C 2,000,000 hours PHYSICAL SPECIFICATIONS Weight Dimensions (L x W x H) Case Material 10/23/2013 Flammability to UL 94V-0 rated 0.08oz (2.2g) 0.60 x 0.31 x 0.27 inch (15.3 x 8.0 x 6.75 mm) Molding Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-7789797 website: www.wallindustries.com • e-mail: [email protected] Page 2 of 5 Rev B DCMSAU1 SERIES 1 Watt DC/DC Power Converters DERATING CURVE MECHANICAL DRAWING Mechanical Dimensions 10/23/2013 Connecting Pin Patterns Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-7789797 website: www.wallindustries.com • e-mail: [email protected] Page 3 of 5 Rev B DCMSAU1 SERIES 1 Watt DC/DC Power Converters DESIGN CONSIDERATIONS 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 0.33µF ceramic capacitor. Scope measurement should be made by using a BNC socket, measurement bandwidth is 020MHz. Position the load between 50mm and 75mm from the DC/DC converter. TEST SETUP Maximum Capacitive Load The DCMSAU1 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. 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 2.2µF for 5VDC input models, 1.0µF for 12VDC input models, and 0.47µF for 24VDC input models. 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 1.5µF capacitors at the output. 10/23/2013 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-7789797 website: www.wallindustries.com • e-mail: [email protected] Page 4 of 5 Rev B DCMSAU1 SERIES 1 Watt DC/DC Power Converters TEST SETUP 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: 10/23/2013 (603)778-2300 (888)597-9255 (603)778-9797 [email protected] www.wallindustries.com 37 Industrial Drive Exeter, NH 03833 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-7789797 website: www.wallindustries.com • e-mail: [email protected] Page 5 of 5