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Mean Well DLW05B-12 DC-DC Converter - 5W - 18~36V in ±12V out 208mA
Overview
DLW05B-12 is the ±12V output model of this series: rated power 5W, typical efficiency 82%.
Features
- 2:1 wide input range
- 4:1 wide input range(option)
- 1500VDC 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 / EAC / CE / UKCA
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- ±12V
- CURRENT RANGE
- ±20.8 ~ ±208mA
- RATED POWER
- 5W
- RIPPLE & NOISE (max.)Note.2
- 60mVp-p
- LINE REGULATIONNote.3
- ±0.2%
- LOAD REGULATIONNote.4
- ±0.5%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY
- 50KHz min.
INPUT
- VOLTAGE RANGE
- 18 ~ 36VDC
- EFFICIENCY (Typ.)
- 82%
- DC CURRENT Full load
- 270mA
- DC CURRENT No load
- 16mA
- FILTER
- Pi network
- PROTECTION
- Fuse recommended
PROTECTION (Note. 5)
- OVERLOAD
- 160 ~ 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.
- -25 ~ +71℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -25 ~ +105℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03% / ℃ (0 ~ 50℃)
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
SAFETY & EMC
- SAFETY STANDARDS
- EAC TP TC 020/2011 approved
- WITHSTAND VOLTAGE
- I/P-O/P:1.5KVDC
- ISOLATION RESISTANCE
- I/P-O/P: 100M Ohms / 500VDC / 25℃/ 70% RH
- EMC EMISSION
- Compliance to BS EN/EN55032 Class B, FCC part 15 Class B , EAC TP TC 020
- EMC IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,5,6,8, light industry level, criteria A , EAC TP TC 020
OTHERS
- MTBF
- 800khrs min. MIL-HDBK-217F(25℃)
- DIMENSION
- 50.8*25.4*11.27mm or 2.0"*1.0"*0.44" inch (L*W*H)
- PACKING
- 31.2g ; 10pcs/per tube, 400pcs/40 tube/per carton
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
FAQ
Can I use the DLW05B-12 for 12V signal, alarm, or interface electronics in a higher-input automation system?
Yes, if those electronics need a regulated ±12V output and the source feeding the converter is within 18-36VDC. Its 5W rating makes it appropriate for lower-power interface and control functions rather than larger 12V loads.
Is the DLW05B-12 suitable for compact industrial instrumentation that expects a 12V rail?
It can be used for compact instrumentation or embedded electronics that require a regulated ±12V output and stay within 5W. The 50.8 × 25.4 × 11.27 mm housing and 31.2 g weight help when mechanical space is tight.
Can this converter support 12V auxiliary electronics in control equipment with 18-36VDC available?
Yes, that is the kind of operating window this model is built around, since its input range is 18-36VDC and its output is a regulated ±12V. It is best applied to auxiliary electronics and low-power control sections that fit within 5W.
Is the DLW05B-12 designed for indoor or outdoor use?
The unit is specified for -25°C to +71°C operation (with load derating per the derating curve), but no IP rating is included in the product data provided here. That points to use in protected indoor equipment or inside an enclosure rather than direct outdoor exposure.
How does the DLW05B-12 compare with DLW05B-05 and DLW05B-15?
All three B-series models share 5W output power, 18-36VDC input, regulated dual output, 50.8 × 25.4 × 11.27 mm dimensions, 31.2 g weight, and a -25°C to +71°C operating range. The series outputs are ±5V and up to ±500mA for DLW05B-05, ±12V and up to ±208mA for DLW05B-12, and ±15V and up to ±167mA for DLW05B-15.
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