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Mean Well DKA15A-05 DC-DC Converter - 15W - 9~18V in ±5V out 1.5A
Overview
DKA15A-05 is the ±5V output model of this series: rated power 15W, typical efficiency 80%.
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
- ±5V
- CURRENT RANGE
- ±150 ~ ±1500mA
- RATED POWER
- 15W
- RIPPLE & NOISE (max.)Note.2
- 50mVp-p
- LINE REGULATIONNote.3
- ±0.2%
- LOAD REGULATIONNote.4
- ±0.5%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY
- 150KHz min.
- EXTERNAL CAPACITANCE LOAD (max.)
- 1200uF
INPUT
- VOLTAGE RANGE
- 9 ~ 18VDC
- EFFICIENCY (Typ.)
- 80%
- 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-05 in industrial control or automation equipment that needs ±5V rails?
Yes, it can fit industrial control, instrumentation, or automation equipment that needs a constant-voltage ±5V output and stays within 15W and 1.5A. The listed operating range of -40°C to +71°C also makes it suitable for equipment installed in demanding indoor control environments.
Is this converter suitable for embedded electronics or interface boards that require stable ±5V power?
It can be a fit for embedded boards, analog interface circuits, or signal-conditioning assemblies that require constant-voltage ±5V output and do not exceed 15W. Buyers should confirm the source matches the listed 9-18VAC input range and that the load remains within the 1.5A output current rating.
Can I use this Mean Well DKA15A-05 for IT or communications equipment with low-power ±5V rails?
It is appropriate for low-power IT or communications subassemblies that need constant-voltage ±5V output, provided the total load stays within 15W and 1.5A. Its compact 50.8 × 25.4 × 11.27 mm size and 0.032 kg weight also help where board space and equipment weight are limited.
Can this model be used in test, measurement, or instrumentation equipment?
Yes, it can suit test and measurement equipment that requires a constant-voltage ±5V supply and fits within the 15W, 1.5A limit. The -40°C to +71°C operating temperature range and CE, c_emc, and FCC certifications are relevant for industrial and technical equipment environments.
What is the difference between the DKA15A-05, DKA15A-12, and DKA15A-15?
All three are 15W models in the same series. The DKA15A-05 provides 5V output at 1.5A, the DKA15A-12 provides 12V output at 625A, and the DKA15A-15 provides 15V output at 500A.
Is the DKA15A-05 suitable for outdoor or harsh-environment use?
The listed specs show an operating temperature range of -40°C to +71°C, which supports use in demanding temperature conditions. However, no IP rating is listed in the provided specs, so it is better treated as a converter for protected indoor equipment or an enclosed system rather than exposed outdoor use.
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