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Mean Well DKA15A-15 DC-DC Converter - 15W - 9~18V in ±15V out 500mA
Overview
DKA15A-15 is the ±15V output model of this series: rated power 15W, typical efficiency 83%.
Features
- 2:1 wide input range
- 4:1 wide input range(option)
- 1000VDC I/O isolation
- 3000VDC I/O isolation(option)
- Built-in EMI filter
- Protections: Short circuit / Overload
- Cooling by free air convection
- Six-sided shield metal case
- 100% burn-in test
- Low cost / High reliability
- Approvals: FCC / CE
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- ±15V
- CURRENT RANGE
- ±50 ~ ±500mA
- RATED POWER
- 15W
- RIPPLE & NOISE (max.)Note.2
- 60mVp-p
- LINE REGULATIONNote.3
- ±0.2%
- LOAD REGULATIONNote.4
- ±0.5%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY
- 150KHz min.
- EXTERNAL CAPACITANCE LOAD (max.)
- 680uF
INPUT
- VOLTAGE RANGE
- 9 ~ 18VDC
- EFFICIENCY (Typ.)
- 83%
- DC CURRENT Full load
- 1600mA
- DC CURRENT No load
- 30mA
- FILTER
- Pi network
- PROTECTION
- Fuse recommended
PROTECTION (Note. 5)
- OVER CURRENT
- 110% ~ 250% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
- SHORT CIRCUIT
- All output equipped with short circuit Protection type : Hiccup mode, recovers automatically after fault condition is removed
ENVIRONMENT
- WORKING TEMP.
- -40 ~ +71℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +105℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03% / ℃ ( 0 ~ 50℃)
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
SAFETY & EMC
- SAFETY STANDARDS
- EAC TP TC 004 approved
- WITHSTAND VOLTAGE
- I/P-O/P:1KVDC
- ISOLATION RESISTANCE
- I/P-O/P: 100M Ohms / 500VDC / 25℃/ 70% RH
- EMC EMISSION
- Compliance to EN55032 Class A, FCC part 15 Class A , EAC TP TC 020
- EMC IMMUNITY
- Compliance to EN61000-4-2,3,4,5,6,8, light industry level, criteria A , EAC TP TC 020
OTHERS
- MTBF
- 300Khrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 50.8*25.4*11.27mm or 2"*1"*0.44" inch (L*W*H)
- WEIGHT
- 32g
Test conditions and notes5
- 1.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
- 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor.
- 3.Line regulation is measured from low line to high line at rated load.
- 4.Load regulation is measured from 10% to 100% rated load.
- 5.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.
Technical drawings
Downloads
Datasheet1
Test reports1
FAQ
Can I use the DKA15A-15 for industrial analog circuits that need ±15V rails from a 9-18VAC source?
Yes. The product name specifies ±15V output, and the converter accepts 9-18VAC input with a 15W constant-voltage rating. That makes it relevant for low-power industrial analog stages, measurement sections, or control electronics that depend on dual 15V rails.
Is the DKA15A-15 appropriate for embedded test or measurement equipment with limited board space?
It is well suited to compact electronics because the package measures 50.8 × 25.4 × 11.27 mm and weighs 0.032 kg. Those dimensions are useful in embedded measurement modules or service instrumentation where the auxiliary power section has to stay small. The 15W rating positions it for low-power support circuitry rather than larger loads.
Can this converter support automation signal-conditioning modules that require stable 15V output?
Yes, for applications that need constant-voltage performance and stay within the 15W limit. The DKA15A-15 is built for 9-18VAC input and a 15V output model within the DKA15A family. That combination fits many low-power automation subcircuits that need a regulated supply rather than a variable one.
Would the DKA15A-15 make sense in a telecom or IT subassembly that uses a low-voltage AC input?
It can, if the subsystem operates from 9-18VAC and needs a compact 15W regulated converter. CE and FCC certifications are listed, which is useful context for electronic equipment used in IT or communications environments. The small footprint also helps where dense packaging matters.
What is the difference between DKA15A-15 and the other DKA15A versions?
All three DKA15A variants are rated at 15W. The outputs differ by model: DKA15A-05 is 5V at 1.5A, DKA15A-12 is 12V, and DKA15A-15 is 15V at 500A. They are sibling models intended for different output-voltage requirements within the same series class.
Is the DKA15A-15 suitable for outdoor panels or high-temperature enclosures?
The specified operating range is -40°C to +71°C, which supports use in demanding temperature conditions. But there is no IP rating in the provided specs, so the product data does not confirm direct outdoor exposure or weather resistance. It is safer to treat environmental sealing as external to the converter unless a separate enclosure is used.
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