INNOVATION EXCELLENCE Dual Output A-Series, Models A-SE
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INNOVATION EXCELLENCE
Dual Output
A-Series, Models
A-SERIES
High-Reliability, 15-20 Watt, DC/DC Converters
Features
cost! Highly reliable! Proven SMT-on-pcb construction Qual tested; HALT tested; tested Designed meet UL1950 EN60950 (basic insulation) mark available (75V-input models) Output voltages: Volts Ultra-wide input voltage ranges: 4.7-7.5V, 9-36V 18-75V Small packages, 0.45" Industry-standard pinouts Fully isolated, 1500Vdc guaranteed Guaranteed efficiencies +100°C operating temperature Modifications customs OEM's
your mid-range power requirements, it's hard beat combination cost, proven reliability outstanding electrical performance offered 15-20W, dual-output models DATEL's A-Series DC/DC converters. These highly efficient, rugged converters combine straightforward circuit topologies, newest components, proven SMT-on-pcb construction methods, highly repeatable automatic-assembly techniques. Their superior durability substantiated rigorous in-house qualification program that includes HALT (Highly Accelerated Life Testing). ultra-wide input voltage ranges A-Series duals (4.7-7.5V "D5A" models, 9-36V "D12A" models 18-75V "D48A" models) make them excellent candidates battery-powered systems distributed power architectures. Their Volt outputs cover virtually standard applications. These popular power converters fully isolated (1500Vdc guaranteed) display excellent line load regulation (with specs ±0.3% max. line ±0.5% max. load). They completely protected (input overvoltage shutdown reverse-polarity protection, output current limiting overvoltage protection) contain input type) output filtering reduce noise. They require external components offer true "plug-and-play" convenience. These extremely reliable, cost-effective power converters housed standard 0.45" metal packages coated with electrically non-conductive materials. They offer industry-standard pinouts ideally suited high-volume computer, telecom/datacom, instrumentation applications.
+VIN
+VOUT
COMMON
-VIN
-VOUT
ON/OFF CONTROL
CONTROLLER
OPTO ISOLATION
REFERENCE ERROR
TRIM
Figure Simplified Schematic
DATEL, Inc., Mansfield, 02048 (USA) Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 Email: sales@datel.com Internet: www.datel.com
Series
15-20W,
DUAL
OUTPUT
DC/DC
CONVERTERS
Performance Specifications Ordering Guide
Output Model
BWR-5/1500-D5A BWR-5/1700-D12A BWR-5/1700-D48A BWR-12/625-D5A BWR-12/830-D12A BWR-12/830-D48A BWR-15/500-D5A BWR-15/670-D12A BWR-15/670-D48A
Input Regulation (Max.) Load Line
±0.5% ±0.3% ±0.3% ±0.5% ±0.3% ±0.4% ±0.5% ±0.3% ±0.3% ±1.0% ±0.5% ±0.5% ±1.0% ±0.5% ±0.5% ±1.0% ±0.5% ±0.5%
VOUT (Volts)
IOUT (mA)
±1500 ±1700 ±1700 ±625 ±830 ±830 ±500 ±670 ±670
(mVp-p) Typ. Max.
Nom. (Volts)
Range (Volts)
4.7-7.5 9-36 18-75 4.7-7.5 9-36 18-75 4.7-7.5 9-36 18-75
(mA)
75/3750 15/753 15/377 75/3750 30/1000 15/510 75/3659 30/979 15/484
Efficiency Min. Typ.
80.5% 81.5%
Package (Case, Pinout)
Typical +25°C under nominal line voltage full-load conditions unless otherwise noted. Ripple/Noise (R/N) measured over 20MHz bandwidth. Balanced loads, 100% load. Nominal line voltage, no-load/full-load conditions.
PART NUMBER STRUCTURE
Output Configuration: Bipolar Wide Range Input Nominal Output Voltages: Volts A-Series High Reliability
0.45 (11.43)
2.00 (50.80) METAL CASE
Case
INSULATED BASE 0.20 (5.08) 0.040 ±0.002 DIA. (1.016 ±0.051)
Input Voltage Range: 4.7-7.5 Volts nominal) 9-36 Volts (24V nominal) 18-75 Volts (48V nominal) Maximum Output Current from each output
1.800 (45.72)
0.10 (2.54)
0.200 (5.08)
0.400 (10.16)
0.100 (2.54) BOTTOM VIEW
1.200 (30.48) 0.400 (10.16)
2.00 (50.80)
0.40 (10.16)
Output Power (Watts)
BWR-5/1500-D5A BWR-5/1700-D12A BWR-5/1700-D48A BWR-12/625-D5A BWR-12/830-D12A BWR-12/830-D48A BWR-15/500-D5A BWR-15/670-D12A BWR-15/670-D48A
Connections Function +Input -Input On/Off Control +Output Common -Output Trim
Notes:
"D5A" "D12A" models, case connected (-VIN). "D48A" models, case connected (+VIN).
Ambient Temperature (°C)
15-20W,
DUAL
OUTPUT
DC/DC
CONVERTERS
Models
Performance/Functional Specifications
Typical +25°C under nominal line voltage full-load conditions, unless noted.
Input 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 VOUT Accuracy (50% load): Outputs ±9/12/15V Outputs Temperature Coefficient Ripple/Noise (20MHz 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" "D12A" Models "D48A" Models Case Material 4.7-7.5 Volts nominal) 9-36 Volts (24V nominal) 18-75 Volts (48V nominal) Ordering Guide Volts Volts Volts (Instantaneous, maximum) high off, open) Storage Temperature Input Voltage: "D5A" Models "D12" Models "D48" Models
Absolute Maximum Ratings
Volts Volts Volts Current must <10A. Brief duration only. Fusing recommended. Volts, limited duration Volts, limited duration Volts, limited duration Current limited. Max. current short-circuit duration model dependent. +105°C +300°C
Input Reverse-Polarity Protection Output Overvoltage Protection Outputs ±12V Outputs ±15V Outputs Output Current
Output
±1.5%, maximum ±1%, maximum ±0.02% Ordering Guide Ordering Guide Ordering Guide 1500Vdc, minimum 550pF Auto-recovery Zener/transorb clamps, magnetic feedback
Lead Temperature (soldering, sec.)
These stress ratings. Exposure devices these conditions adversely affect long-term reliability. Proper operation under conditions other than those listed Performance/Functional Specifications Table implied.
TECHNICAL NOTES
Floating Outputs Since these isolated DC/DC converters, their outputs "floating." model configured produce output 10V, (for ±5V, ±12V ±15V models, respectively) applying load across +Output -Output pins (pins with either output grounded. Common (pin should left open. Minimum loading recommended under these conditions. total output voltage span externally trimmed described below. Filtering Noise Reduction A-Series 15-20 Watt DC/DC Converters achieve their rated ripple noise specifications without external input/output capacitors. critical applications, input/output ripple noise further reduced installing electrolytic capacitors across input terminals and/or lowESR tantalum electrolytic capacitors across output terminals. Output capacitors should connected between their respective output (pin Common (pin shown Figure caps should located close power converters possible. Typical values listed tables below. many applications, using values greater than those listed will yield better results. Reduce Input Ripple "D5A" Models "D12A" Models "D48A" Models Reduce Output Ripple Outputs ±9/12/15V Outputs 47µF, 20µF, 20µF, 100V 47µF, 10V, 22µF, 20V,
Dynamic Characteristics
200µsec max. ±1.5% final value 165kHz (±15kHz)
Environmental
+50/55/60°C (Model dependent) +100°C (See Derating Curves) +105°C
Physical
0.45" 11.4mm) 5-sided (-VIN) (+VIN) Corrosion resistant steel with non-conductive, epoxy-based, black enamel finish plastic baseplate Brass, solder coated ounces (75.6 grams)
Material Weight
These converters require minimum loading each output maintain specified regulation. Operation under no-load conditions will damage these devices; however they meet listed specifications. Application-specific internal input/output filtering recommended perhaps added internally upon request. Contact DATEL Applications Engineering details. Applying voltage Control when input power applied converter cause permanent damage converter. Devices screened modified higher guaranteed isolation voltages. Contact DATEL Applications Engineering details.
critical, space-sensitive applications, DATEL able tailor internal input/output filtering these units meet your specific requirements. Contact Applications Engineering Group additional details.
Series
15-20W,
DUAL
OUTPUT
DC/DC
CONVERTERS
+OUTPUT +INPUT -INPUT COMMON
COUT
+OUTPUT
LOAD
+INPUT
COMMON TRIM
COUT -OUTPUT
-INPUT -OUTPUT
5-10 Turns
LOAD
Figure Using External Capacitors Reduce Input/Output Ripple/Noise
Figure Trim Connections Using Trimpot
Input Fusing Certain applications and/or safety agencies require installation fuses inputs power conversion components. DATEL A-Series 15-20 Watt DC/DC Converters, should slow-blow type fuses with values greater than following: Range "D5A" "D12A" "D48A" On/Off Control On/Off Control (pin used remote on/off operation. logic high Volts, 250µA max.) applied disables converter. logic +0.8 Volts, 70µA max.), connection, enables converter. Control voltages should referenced (-Input). Applying voltage Control when input power applied converter cause permanent damage converter. Synchronization critical applications employing multiple switching DC/DC converters, desirable intentionally synchronize switching selected converters system noise reduced with notch filtering) purposely desynchronize converters lessen current-carrying requirements intermediate buses). multiple A-Series Converters, external clock applied (Control) each device. should square wave with maximum 1µsec "high" duration amplitude between (see On/Off Control) referenced (-Input). frequency synchronizing clock should higher than that individual converter. Therefore, should 185kHz ±5kHz. Output Trimming total output voltage span, from +Output (pin -Output (pin trimmed single external trimpot fixed resistor. trimpot should connected shown Figure with wiper connected (Trim). trimpot used determine value single fixed resistor which should connected shown Figures Connect resistor between (Trim) (+Output) trim "down" output voltages. Connect resistor between pins (-Output) trim "up" output voltages. Fixed resistors should metal-film types with absolute TCR's less than 100ppm/°C ensure stability.
+OUTPUT +INPUT COMMON TRIM -INPUT -OUTPUT LOAD
+OUTPUT +INPUT TRIM -INPUT COMMON
LOAD LOAD -OUTPUT
Fuse Value
Figure Fixed-Value Trim Down Resistor
LOAD
Figure Fixed-Value Trim Resistor
15-20W,
DUAL
OUTPUT
DC/DC
CONVERTERS
Models
DATEL's world-class design, development manufacturing team stands ready work with deliver exact power converter need your demanding, large volume, applications. we'll time within budget! experienced applications design staffs; quick-turn prototype capability; highly automated, assembly facilities; in-line quality-control techniques combine give unique ability design deliver quantity power converters highest standards quality reliability. have compiled large library DC/DC designs that currently used variety telecom, medical, computer, railway, aerospace industrial applications. already have converter need. Contact goal provide highest-quality, most cost-effective power converters available.
you're designing with mind, please note that DATEL's 1520 Watt A-Series DC/DC Converters have been characterized radiated conducted emissions EMI/EMC laboratory. Testing conducted EMCO 5305 GTEM test cell utilizing EMCO automated test software. Radiated emissions tested limits Part Class CISPR 55022), Class Correlation other specifications supplied upon request. Radiated emissions plots CISPR model BWR-5/1700-D48A appear below. Published test reports available each model number. Contact DATEL's Applications Engineering Department more details.
BWR-5/1700-D48A Radiated Emissions Part Class Meters Converter Output ±5Vdc ±1.6A
Radiated Emissions (dBµV/M)
Class Limit
Radiated Emissions
1000
Frequency (MHz)
BWR-5/1700-D48A Radiated Emissions 55022 Class Meters Converter Output ±5Vdc ±1.6A
Radiated Emissions (dBµV/M)
55022 Class Limit
Radiated Emissions
1000
Frequency (MHz)
Series
Quality Reliability
15-20W,
DUAL
OUTPUT
DC/DC
CONVERTERS
A-Series first DC/DC Converters emerge from DATEL's new, company-wide approach designing manufacturing most reliable power converters available. five-pronged program draws Quality Assurance function into aspects new-product design, development, characterization, qualification manufacturing. Design Reliability Design Reliability woven throughout multi-phased, new-productdevelopment process. Design-for-reliability practices fully documented begin early new-product development cycle with following goals: work from approved components/vendors list ensuring reliable components rigorous qualification components. design with safety margins adhering strict derating guidelines performing theoretical worst-case analyses. locate potential design weaknesses early product-development cycle using extensive HALT (Highly Accelerated Life Testing). prove that early design improvements effective employing thorough FRACA (Failure Reporting Analysis Corrective Action) system. HALT Testing goal accelerated-stress techniques used DATEL force device maturity, short period time, exposing devices excessive levels "every stimulus potential value." HALT (Highly Accelerated Life Testing) repeatedly during design early manufacturing phases detect potential electrical mechanical design weaknesses that could result possible future field failures. During HALT, prototype pre-production DC/DC converters subjected progressively higher stress levels induced thermal cycling, rate temperature change, vibration, power cycling, product-specific stresses (such voltage variation) combined environments. stresses meant simulate field environments expose weaknesses product's electro/mechanical design and/or assembly processes. goal HALT make products fail that device weaknesses analyzed strengthened appropriate. Applied stresses continually stepped until products eventually fail. After corrective actions and/or design
Typical HALT Profile
changes, stresses stepped again cycle repeated until "fundamental limit technology" determined. DATEL invested Qualmark OVS-1 HALT tester capable applying voltage temperature extremes well 6-axis, linear rotational, random vibration. typical HALT profile (shown above) consists thermal cycling (-55 +125°C, 30°C/minute) simultaneous, gradually increasing, random longitudinal rotational vibration 20G's with load cycling applied-voltage extremes added desired. Many devices DATEL's A-Series could made fail prior reaching either limits HALT chamber some previously known physical limit device. also HALT chamber ability rapidly cool devices verify their "cold-start" capabilities. Qualification each product, electrical performance verified comprehensive characterization process long-term reliability confirmed rigorous qualification procedure. qual procedure includes such strenuous tests thermal shock hour life. Qual testing summarized below.
Qualification Testing
Qualification Test HALT High Temperature Storage Thermal Shock Temperature/Humidity Lead Integrity Life Test Marking Permanency Point Electrical Tests
Interim electrical test hours.
Method/Comments DATEL in-house procedure Max. rated temp., 1,000 hours cycles, +125°C +85°C, humidity, hours DATEL in-house procedure +70°C, hours* DATEL in-house procedure product specification
In-Line Process Controls Screening combination statistical sampling 100% inspection techniques keeps assembly line under constant control. Parameters such solder-paste thickness, component placement, cleanliness, etc. statistically sampled, charted fine tuned necessary. Visual inspections performed trained operators after pick-and-place, soldering cleaning operations. Units 100% electrically tested prior potting. devices temperature cycled, burned-in, hi-pot tested final-electrical tested prior external visual examination, packing shipping. Rapid Response Problems DATEL employs outstanding corrective-action system immediately address detected shortcomings either products processes. Whenever assembly, quality engineering personnel spot product/ process problem, product returned with potential defect, immediately perform detailed failure analysis and, necessary, undertake corrective actions. Over time, this system helped refine assembly operation yield lowest product defect rates industry.
Temperature (°C)
Test Time (minutes)
9001
INNOVATION EXCELLENCE
Random Vibration (G's)
DS-0323
10/98
DATEL, Inc. Cabot Boulevard, Mansfield, 02048-1151 Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356 Internet: www.datel.com Email: sales@datel.com Data Sheet Back: (508) 261-2857
DATEL (UK) LTD. Tadley, England Tel: (01256)-880444 DATEL S.A.R.L. Montigny Bretonneux, France Tel: 01-34-60-01-01 DATEL GmbH Germany Tel: 89-544334-0 DATEL Tokyo, Japan Tel: 3-3779-1031, Osaka Tel: 6-354-2025
DATEL makes representation that products circuits described herein, other technical information contained herein, will infringe upon existing future patent rights. descriptions contained herein imply granting licenses make, use, sell equipment constructed accordance therewith. Specifications subject change without notice. DATEL logo registered DATEL, Inc. trademark.
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