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Wall Industries, Inc. Rev B DCBUB12 SERIES Up to 12 Watts DC/DC Power Converters 01/14/2013 Wall Industries, Inc. • 5 Watson Brook Road, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 1 of 4

FEATURES

 Single and Dual Outputs  Up to 12 Watts Output Power  Remote On/Off Control  1500VDC I/O Isolation  High Efficiency up to 87%  Lead Free Design, RoHS Compliant  Free Air Convection  4:1 Input Voltage Ranges: 9-36VDC and 18-75VDC  Shielded Metal Case with Insulated Base-plate  -40°C to +85°C Operating Temperature Range  Industry Standard 2.0” x 1.0” x 0.4” DIP Package  Short Circuit, Over Voltage, and Over Load Protection  Custom Designs Available Size: 2.0 x 1.0 x 0.4 inches 50.8 x 25.4 x 10.2 mm

APPLICATIONS

 Battery Operated Equipment  Telecom  Industry Control Systems  Wireless Networks  Measurement Equipment

DESCRIPTION

The DCBUB12 series of isolated DC/DC power converters provides up to 12 Watts of continuous output power in a 2.0” x 1.0” x 0.4” shielded metal case. This series consists of single and dual output models with 4:1 input voltage ranges of 9-36VDC and 18~75VDC. Some features include high efficiency up to 87%, 1500VDC I/O isolation, remote on/off control, and -40°C to +85°C operating temperature range. The DCBUB12 series is RoHS compliant and has short circuit, over load, and over voltage protection. These converters are best suited for use in battery operated equipment, measurement equipment, telecom, wireless networks, industry control systems, and anywhere where isolated, tightly regulated voltages and compact size are required. MODEL SELECTION TABLE SINGLE OUTPUT MODELS Output Current Input Current Model Number Input Voltage Output Voltage Min Load (1) Full Load No Load Full Load Output Power Efficiency Maximum Capacitive Load DCBUB12-24S33 3.3 VDC 203mA 2400mA 5.4mA 438mA 8W 80% 8260μF DCBUB12-24S05 5 VDC 73mA 2000mA 6.3mA 543mA 10W 81% 8800μF DCBUB12-24S12 12 VDC 0mA 1000mA 14.2mA 615mA 12W 85% 530μF DCBUB12-24S15

24 VDC

(9 – 36 VDC) 15 VDC 18mA 800mA 9.1mA 613mA 12W 86% 347μF DCBUB12-48S33 3.3 VDC 243mA 2400mA 3.6mA 221mA 8W 80% 10550μF DCBUB12-48S05 5 VDC 89mA 2000mA 5.6mA 269mA 10W 81% 13720μF DCBUB12-48S12 12 VDC 33mA 1000mA 6.6mA 303mA 12W 87% 730μF DCBUB12-48S15

48 VDC

(18 – 75 VDC) 15 VDC 18mA 800mA 5.6mA 303mA 12W 87% 330μF DUAL OUTPUT MODELS Output Current Input Current Model Number Input Voltage Output Voltage Min Load (1) Full Load No Load Full Load Output Power Efficiency Maximum Capacitive Load DCBUB12-24D05 ±5 VDC 33mA ±1000mA 7.5mA 531mA 10W 83% ±1800μF DCBUB12-24D12 ±12 VDC 13mA ±500mA 13.4mA 606mA 12W 87% ±200μF DCBUB12-24D15 (9 – 36 VDC) ±15 VDC 9mA ±400mA 9.9mA 612mA 12W 86% ±147μF DCBUB12-48D05 ±5 VDC 33mA ±1000mA 5.3mA 261mA 10W 84% ±2600μF DCBUB12-48D12 ±12 VDC 18mA ±500mA 7mA 302mA 12W 87% ±270μF DCBUB12-48D15 (18 – 75 VDC) ±15 VDC 9mA ±400mA 6.2mA 304mA 12W 86% ±147μF NOTES 1. Output current under this value will not damage these devices; however, they may not meet all listed specifications.

Wall Industries, Inc. Rev B DCBUB12 SERIES Up to 12 Watts DC/DC Power Converters 01/14/2013 Wall Industries, Inc. • 5 Watson Brook Road, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 2 of 4 TECHNICAL SPECIFICATIONS: DCBUB12 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 Unit INPUT SPECIFICATIONS 24VDC nominal input models 9 24 36 Input Voltage Range 48VDC nominal input models 18 48 75 VDC 24VDC nominal input models 50 Input Surge Voltage (100ms max) 48VDC nominal input models 100 VDC Input Reflected Ripple Current Nominal Vin and full load 186 mAp-p Input Current See Table Input Filter Pi Type Converter ON Open or 3.5V < Vr < 12V Remote On/Off Converter OFF Short to -Vin (Pin 2) or 0V < Vr < 1.2V Sourcing Current of Remote Control Pin Nominal Vin 0.2 mA Idle Input Current (at Remote OFF State) Nominal Vin 3 mA OUTPUT SPECIFICATIONS Output Voltage See Table Voltage Accuracy Full load and nominal Vin -1 +1 % Output Current See Table Minimum Load See Table Maximum Capacitive Load See Table Start-up Time Nominal Vin and constant resistive load 350 ms Line Regulation LL to HL at full load -0.5 +0.5 % Single output models 25% load to full load -0.5 +0.5 Balanced output -0.5 +0.5 Load Regulation Dual output models Unbalanced load 25% to full load -5 +5 Output Power 12 W Ripple & Noise 20MHz bandwidth 75 mVp-p Temperature Coefficient ±0.02 %/°C Transient Response Overshoot di/dt=0.8A/μs ±5 % of Vo Transient Response Settling Time 50% load step change 300 μs PROTECTION 3.3VDC output models 3.9 5VDC output models 6.2 12VDC output models 15 Over Voltage Protection 15VDC output models Zener Diode Clamp VDC Short Circuit Protection continuous, automatic recovery Over Load Protection % of full load at nominal input 150 % GENERAL SPECIFICATIONS Efficiency Nominal input See Table Isolation Voltage (Input to Output) Input to Output 1500 VDC Isolation Resistance (Input to Output) 500VDC 1 GΩ Isolation Capacitance 220 pF Switching Frequency 300 KHz ENVIRONMENTAL SPECIFICATIONS Operating Temperature With derating (see derating curve) -40 +85 °C Maximum Case Surface Temperature +100 °C Storage Temperature -55 +105 °C Relative Humidity 5 95 % RH Cooling Free air convection MTBF 1,960,000 hours PHYSICAL SPECIFICATIONS Case Material Nickel-coated copper Base Material Non-conductive black plastic Potting Material Silicon rubber (UL94V-0) Weight 1.06oz (30g)

Wall Industries, Inc. Rev B DCBUB12 SERIES Up to 12 Watts DC/DC Power Converters 01/14/2013 Wall Industries, Inc. • 5 Watson Brook Road, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 3 of 4 DERATING DCBUB12-48S05 Derating Curve 120 100 -40 -20 0 20 40 60 80 100 120 Ambient Temperature (°C) Output Power (%) EFFICIENCY DCBUB12-48S05 Efficiency vs Input Voltage DCBUB12-48S05 Efficiency vs Output Current 18 24 30 36 42 48 54 60 66 75 Efficiency (%) Input Voltage (VDC) Efficiency (%) Output Current (A) CHARACTERISTICS Transient Response at 50%~100% Max Load Loop Gain & Phase at Vin=48VDC, Full Load

Wall Industries, Inc. Rev B DCBUB12 SERIES Up to 12 Watts DC/DC Power Converters 01/14/2013 Wall Industries, Inc. • 5 Watson Brook Road, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 4 of 4 MECHANICAL DRAWING Unit: inches (mm) 0.4 (10.16) 1.0 (25.4) 0.4 (10.16) 0.4 (10.16) 0.2 (5.08) Ø0.04 (Ø1.0) 2.0 (50.8) 0.3 (7.62) 0.2 (5.08) 0.3 (7.62) Bottom View 0.1 (2.5) NOTES 1. Tolerance: ±0.02 (±0.5) 2. Case Material: nickel-coated copper 3. Base Material: non-conductive black plastic 4. Potting Material: silicon rubber (UL94V-0) 5. Weight: 1.06oz (30g) 6. All dimensions are for reference only PIN CONNECTIONS Pin Single Dual 1 +Vin +Vin 2 -Vin -Vin 3 +Vout +Vout

4 No Pin Common

6 Remote On/Off

(Optional) Remote On/Off (Optional) 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: (603)778-2300 Toll Free: (888)597-9255 E-mail: sales@wallindustries.com Web: www.wallindustries.com Address: 5 Watson Brook Rd. Exeter, NH 03833