Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well MDD02L-09 DC-DC Converter - 2W - 4.5~5.5V in ±9V out
The MDD02L is a 2W Mean Well power converter (input range: 4.5~5.5Vdc).
Key Features
- ✓ Input voltage range: 4.5~5.5Vdc
- ✓ 6KVDC reinforced I/O isolation
- ✓ Protections: Short circuit
- ✓ Safety approvals: UL60601-1, EAC TP TC 004
- ✓ 3 years warranty
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BrandMean Well
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SeriesMDD Series
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Power Rating2 Watt
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Output Voltage9 Volt
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Rated Current0.11 Ampere
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Input Voltage4.5V~5.5V
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No of Output2
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Dimming ControlNone
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Standards MetCE,EAC,EMC,LVD,UL
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Operation ModeConstant Voltage
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Operating Temperature-40°C~85°C
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Warranty3 Year
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Length0.77 in
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Width0.49 in
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Height0.39 in
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Weight0.01 lb
::specification::
Frequently Asked Questions
Can I use the MDD02L-09 for a 5V-powered analog interface that needs ±9V rails?
Yes, this converter is designed for a 4.5~5.5V input and provides ±9V constant-voltage output. With a 2W rating, it is better suited to low-power analog interface, embedded signal-conditioning, or isolated measurement sections.
Is the MDD02L-09 a fit for industrial control cards with ±9V analog stages?
It can be used where the card already has a 4.5~5.5V source and the analog stage requires ±9V rails. The 2W power rating and 19.5 × 12.5 × 9.8 mm size make it more appropriate for compact control electronics than larger power sections.
Would the MDD02L-09 work in embedded test and measurement equipment?
Yes, embedded test and measurement boards that run from 4.5~5.5V and need ±9V rails are the kind of low-power application this part fits. The constant-voltage output, 2W rating, and 0.0042 kg weight align with compact PCB-level use.
Can this converter be used in cold or hot industrial enclosures?
The specified operating range is -40°C to +85°C, which supports use across a wide temperature window. No IP rating is provided in the supplied specs, so suitability for outdoor exposure or washdown environments is not stated here.
What are the differences between the MDD02L-09 and the other MDD02L versions?
The MDD02L-09 is listed at 2W with 9V output and 111A output current. Other listed siblings are MDD02L-05 at 2W, 5V, 200A; MDD02L-05N at 2W, 5V, 37A; MDD02L-12 at 2W, 12V, 0.08A; MDD02L-12N at 2W, 12V, 43A; MDD02L-15 at 2W, 15V, 0.07A; and MDD02L-15N at 2W, 15V, 46A.
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