Details, datasheet, quote on part number: BWR-5/1700-D12A
CategoryPower Management => DC-DC Converters => Multiple Output
Description12V 15-20W, Dual Output DC/DC Converter
CompanyDatel, Inc.
DatasheetDownload BWR-5/1700-D12A datasheet
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Features, Applications


Low cost! Highly reliable! Proven SMT-on-pcb construction Qual tested; HALT tested; EMC tested Designed to meet UL/ EN60950, BASIC insulation (48VIN models) mark available (48VIN models) Output voltages: or ±15 Volts Ultra-wide input voltage ranges: or 18-75V Small packages, x 0.45" Industry-standard pinouts Fully isolated, 1500Vdc guaranteed Guaranteed efficiencies to +100°C operating temperature Modifications and customs for OEM's

For your mid-range power requirements, it's hard to beat the combination of low cost, proven reliability and outstanding electrical performance offered by the 15-20W, dual-output models of DATEL's new A-Series DC/DC converters. These highly efficient, rugged converters combine straightforward circuit topologies, the newest components, proven SMT-on-pcb construction methods, and highly repeatable automatic-assembly techniques. Their superior durability is substantiated by a rigorous in-house qualification program that includes HALT (Highly Accelerated Life Testing). The ultra-wide input voltage ranges of the A-Series duals (4.7-7.5V for "D5A" models, 9-36V for "D12A" models and 18-75V for "D48A" models) make them excellent candidates for battery-powered systems or for distributed power architectures. Their or ±15 Volt outputs cover virtually all standard applications. These popular power converters are fully isolated (1500Vdc guaranteed) and display excellent line and load regulation (with specs as low as ±0.3% max. for line and ±0.5% max. for load). They are completely I/O protected (input overvoltage shutdown and reverse-polarity protection, output current limiting and overvoltage protection) and contain input (pi type) and output filtering to reduce noise. They require no external components and offer true "plug-and-play" convenience. These extremely reliable, cost-effective power converters are housed in standard x 0.45" metal packages coated with electrically non-conductive materials. They offer industry-standard pinouts and are ideally suited for high-volume computer, telecom/datacom, instrumentation and ATE applications.

DATEL, Inc., Mansfield, MA 02048 (USA) Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 Email: Internet:

Typical = +25°C under nominal line voltage and full-load conditions unless otherwise noted. Ripple/Noise (R/N) measured over a 20MHz bandwidth. Balanced loads, to 100% load. Nominal line voltage, no-load/full-load conditions.

Output Configuration: B = Bipolar Wide Range Input Nominal Output Voltages: or ±15 Volts

A-Series High Reliability Input Voltage Range: = 4.7-7.5 Volts (5V nominal) = 9-36 Volts (24V nominal) = 18-75 Volts (48V nominal) Maximum Output Current in mA from each output

I/O Connections Pin Function P7 +Input ­Input No Pin On/Off Control +Output Cpmmon ­Output Trim

For "D5A" and "D12A" models, the case is connected to pin 2 (­VIN). For "D48A" models, the case is connected to pin 1 (+VIN).

Typical = +25°C under nominal line voltage and full-load conditions, unless noted.

Input Voltage Range: D5A Models D12A Models D48A Models Input Current Input Filter Type Overvoltage Shutdown: D5A Models D12A Models D48A Models Reverse-Polarity Protection On/Off (Sync.) Control (Pin 4) VOUT Accuracy (50% load): ±5V Outputs ±9/12/15V Outputs Temperature Coefficient Ripple/Noise (20MHz BW) Line/Load Regulation Efficiency Isolation Voltage Isolation Capacitance Current Limiting Overvoltage Protection Transient Response (50% load step) Switching Frequency Operating Temperature (ambient): Without Derating With Derating Storage Temperature Dimensions Shielding Case Connection: D5A and D12A Models D48A Models Case Material 4.7-7.5 Volts (5V nominal) 9-36 Volts (24V nominal) 18-75 Volts (48V nominal) See Ordering Guide Pi 10 Volts 40 Volts 80 Volts Yes (Instantaneous, 10A maximum) TTL high = off, low (or open) = on Input Voltage: D5A Models D12A Models D48A Models

12 Volts 44 Volts 88 Volts Current must be <10A. Brief duration only. Fusing recommended. 6.8 Volts, limited duration 15 Volts, limited duration 18 Volts, limited duration Current limited. Max. current and short-circuit duration are model dependent. +105°C +300°C

Input Reverse-Polarity Protection Output Overvoltage Protection ±5V Outputs ±12V Outputs ±15V Outputs Output Current

±1.5%, maximum ±1%, maximum ±0.02% per °C See Ordering Guide See Ordering Guide See Ordering Guide 1500Vdc, minimum 550pF Auto-recovery Zener/transorb clamps, magnetic feedback

Storage Temperature Lead Temperature (soldering, 10 sec.)

These are stress ratings. Exposure of devices to any of these conditions may adversely affect long-term reliability. Proper operation under conditions other than those listed in the Performance/Functional Specifications Table is not implied.

Floating Outputs Since these are isolated DC/DC converters, their outputs are "floating." Any BWR model may be configured to produce an output or 30V (for or ±15V models, respectively) by applying the load across the +Output and ­Output pins (pins 5 and 7), with either output grounded. The Common pin (pin 6) should be left open. Minimum 20% loading is recommended under these conditions. The total output voltage span may be externally trimmed as described below. Filtering and Noise Reduction All A-Series BWR 15-20 Watt DC/DC Converters achieve their rated ripple and noise specifications without the use of external input/output capacitors. In critical applications, input/output ripple and noise may be further reduced by installing electrolytic capacitors across the input terminals and/or low-ESR tantalum or electrolytic capacitors across the output terminals. Output capacitors should be connected between their respective output pin (pin or 7) and Common (pin 6) as shown in Figure 2. The caps should be located as close to the power converters as possible. Typical values are listed in the tables below. In many applications, using values greater than those listed will yield better results. To Reduce Input Ripple D5A Models D12A Models D48A Models To Reduce Output Ripple ±5V Outputs ±9/12/15V Outputs 47µF, 10V, Low ESR 22µF, 20V, Low ESR

11.4mm) 5-sided Pin 2 (­VIN) Pin 1 (+VIN) Corrosion resistant steel with non-conductive, epoxy-based, black enamel finish and plastic baseplate Brass, solder coated 2.7 ounces (75.6 grams)

These converters require a minimum 20% loading on each output to maintain specified regulation. Operation under no-load conditions will not damage these devices; however they may not meet all listed specifications. Application-specific internal input/output filtering can be recommended and perhaps added internally upon request. Contact DATEL Applications Engineering for details. Applying a voltage to the Control pin when no input power is applied to the converter can cause permanent damage to the converter. "D48A" models have BASIC, "D5A" and "D12A" models have Functional insulation. Devices can be screened or modified for higher guaranteed isolation voltages. Contact DATEL Applications Engineering for details.

In critical, space-sensitive applications, DATEL may be able to tailor the internal input/output filtering of these units to meet your specific requirements. Contact our Applications Engineering Group for additional details.


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