DCHAA SERIES 5~6 Watt DC/DC Power Converters Rev B FEATURES • 2:1 Wide Input Voltage Ranges • -40°C to +85°C Operating Temperature Range • 5~6 Watts Output Power • 4000VACrms I/O Isolation Voltage • RoHS Compliant • 6000Vpk Isolation Test Voltage • No Minimum Load • Short Circuit Protection: Continuous & Auto- Requirement Size: 1.25 x 0.80 x 0.50 inches 31.7 x 20.3 x 12.65 mm • Single and Dual Outputs • Over Voltage Protection: Clamp Mode • High Efficiency up to 85% • 24-Pin DIP Package with Industry-Standard Footprint DESCRIPTION The DCHAA series of DC/DC power converters provides up to 6 Watts of continuous output power in a 1.25” x 0.80” x 0.50” 24-pin DIP package. This series consists of single and dual output models with 2:1 input voltage ranges of 9~18VDC, 18~36VDC, and 36~75VDC. Some features include high efficiency up to 85%, 4000VACrms I/O isolation, 40°C to +85°C operating temperature range, and no minimum load requirement. The DCHAA series is RoHS and UL94V-0 compliant. These converters are best suited for use in battery operated equipment, measurement equipment, telecom, wireless networks, industry control systems, and anywhere where isolated and compact size are required. APPLICATIONS • • • • • Recovery Battery Operated Equipment Telecom Industry Control Systems Wireless Networks Measurement Equipment MODEL SELECTION TABLE SINGLE OUTPUT MODELS Model Number DCHAA12S5-5H DCHAA12S12-6H DCHAA24S5-5H DCHAA24S12-6H DCHAA48S5-5H DCHAA48S12-6H Input Current No Load Full Load Output Power Efficiency (1) Maximum Capacitive Load 541mA 5W 81% 2000µF 35mA 630mA 6W 83% 470µF 1000mA 13mA 265mA 5W 82% 2000µF 12 VDC 500mA 13mA 309mA 6W 85% 470µF 5 VDC 1000mA 8mA 135mA 5W 81% 2000µF 12 VDC 500mA 9mA 158mA 6W 83% 470µF Output Power Efficiency (1) Maximum (2) Capacitive Load Input Voltage Range Output Voltage Output Current 12 VDC (9 – 18 VDC) 5 VDC 1000mA 22mA 12 VDC 500mA 5 VDC 24 VDC (18 – 36 VDC) 48 VDC (36 – 75 VDC) DUAL OUTPUT MODELS Input Current No Load Full Load Model Number Input Voltage Range Output Voltage Output Current DCHAA12D12-6H 12 VDC (9 – 18 VDC) ±12 VDC ±250mA 36mA 630mA 6W 83% ±220µF ±15 VDC ±200mA 37mA 630mA 6W 83% ±220µF 24 VDC (18 – 36 VDC) ±12 VDC ±250mA 19mA 313mA 6W 84% ±220µF ±15 VDC ±200mA 21mA 309mA 6W 85% ±220µF 48 VDC (36 – 75 VDC) ±12 VDC ±250mA 11mA 158mA 6W 83% ±220µF ±15 VDC ±200mA 12mA 158mA 6W 83% ±220µF DCHAA12D15-6H DCHAA24D12-6H DCHAA24D15-6H DCHAA48D12-6H DCHAA48D15-6H NOTES 1. Typical value tested at nominal input and full load. 2. For each output. *Due to advances in technology, specifications subject to change without notice. 01/14/2013 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: [email protected] Page 1 of 4 Rev B DCHAA SERIES 5~6 Watt DC/DC Power Converters TECHNICAL SPECIFICATIONS: DCHAA 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 12VDC nominal input models 24VDC nominal input models 48VDC nominal input models 12VDC nominal input models 24VDC nominal input models 48VDC nominal input models Nominal Vin and full load 9 18 36 12 24 48 25 50 100 18 36 75 VDC Nominal Vin and full load -1 INPUT SPECIFICATIONS Input Voltage Range Input Surge Voltage (100ms max.) Input Reflected Ripple Current Input Current Input Filter VDC 76 See Table Pi type mAp-p OUTPUT SPECIFICATIONS Output Voltage Voltage Accuracy Output Current Minimum Load Line Regulation LL to HL at full load Single Outputs 25% load to full load Balanced Load Dual Outputs Unbalanced Load: 25% to 100% load Load Regulation See Table +1 See Table 0 -0.5 -0.5 -0.5 +0.5 +0.5 +0.5 -3 +3 Capacitive Load Output Power Ripple & Noise (20MHz BW) Start-Up Time Transient Response Settling Time Transient Response Overshoot Temperature Coefficient 5V Output Models 12 V Output Models Others Nominal Vin and constant resistive load 50% load step change di/dt = 0.8/µs -0.02 See Table See Table 110 150 70 150 200 510 780 ±5 +0.02 % A % % mVp-p ms µs % Vo %/°C PROTECTION Short Circuit Protection Over Load Protection Over Voltage Protection Continuous, automatic recovery % of full load 5V Output Models 12V Output Models 15V Output Models 120 % 6.2 15 18 Zener diode clamp VDC GENERAL SPECIFICATIONS Efficiency Switching Frequency I/O Isolation Voltage (rated) I/O Isolation Test Voltage Isolation Resistance Isolation Capacitance Nominal input and full load 60 seconds Flash tested for 1 second 500VDC See Table 150 4000 6000 1 12 KHz VACrms Vpk GΩ pF ENVIRONMENTAL SPECIFICATIONS Operating Temperature Case Temperature Storage Temperature Relative Humidity Cooling MTBF Full load -40 -50 5 +85 +95 +125 95 Free air convection 70,000 °C °C °C % RH hours PHYSICAL SPECIFICATIONS Case Material Potting Material Weight Non-conductive black plastic Silicon rubber (UL94V-0) 0.56oz (16g) 1.25 x 0.80 x 0.50 inches (31.7 x 20.3 x 12.65 mm) Dimensions (L x W x H) EMC CHARACTERISTICS EMI 01/14/2013 EN55022 (radiation) Meets class A Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: [email protected] Page 2 of 4 Rev B DCHAA SERIES 5~6 Watt DC/DC Power Converters DERATING DCHAA48S5-5H Derating Curve EFFICIENCY DCHAA48S5-5H Efficiency vs Input Voltage DCHAA48S5-5H Efficiency vs Output Current CHARACTERISTICS DCHAA48S5-5H Transient Response at 50%~100% Load 01/14/2013 DCHAA48S5-5H Loop Gain & Phase at Vi=48V, Full load Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: [email protected] Page 3 of 4 Rev B DCHAA SERIES 5~6 Watt 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: 01/14/2013 (603)778-2300 (888)597-9255 (603)778-9797 [email protected] www.wallindustries.com 5 Watson Brook Rd. Exeter, NH 03833 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: [email protected] Page 4 of 4