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UCC12040/50 3 kVRMS and 5 kVRMS Isolated DC/DC Converters
Texas Instruments' 500 mW, high-efficiency low-EMI converters are suitable for ultra-high voltage applications
Texas Instruments' UCC12040 and UCC12050 DC/DC converters with 3 kVRMS and 5 kVRMS reinforced isolation ratings, respectively, are designed to provide efficient, isolated power to isolated circuits that require a bias supply with well-regulated output voltages. These devices integrate a transformer and DC/DC controller with proprietary architecture to provide 500 mW (typical) of isolated power with high efficiency and low EMI.
The UCC12040/50 converters integrate protection features for increase system robustness. The devices feature an enable pin, synchronization capability, and regulated 5 V or 3.3 V output options with headroom. These low-profile, miniaturized converter solutions are available in a wide-body SOIC package with 2.65 mm height (typical).
- High-efficiency with integrated transformer technology
- Meets CISPR32 Class B EMI limits without ferrite beads across the load range on a 2-layer PCB
- Output power: 500 mW (typ.)
- Input voltage: 4.5 V to 5.5 V
- Package: 16-pin wide-body SOIC with >8 mm creepage and clearance
- Regulated 5.0 V to 3.3 V output with selectable 400 mV headroom voltage to power an LDO
- Short circuit recovery
- Thermal shutdown
- Extended temperature range: -40°C to +125°C
- Planned safety-related certification:
- CSA certification per IEC 60950-1, IEC 62368-1, and IEC 60601-1 end-equipment standards
- CQC approval per GB4943.1-2011
- 3,000 VRMS (UCC12040) and 5,000 VRMS (UCC12050) isolation for 1 minute per UL 1577
- Robust isolation barrier:
- CMTI: ±100 V/ns (typ.)
- Isolation rating: 3 kVRMS (UCC12040) and 5 kVRMS (UCC12050)
- Surge capability: 8 kVPK (UCC12040) and 10 kVPK (UCC12050)
- Working voltage: 800 VRMS (UCC12040) and 1.2 kVRMS (UCC12050)
- PLC analog input and output modules
- Isolated voltage and current sensing
- Protection relays and smart breakers
- RS-485/RS-422/CAN transceivers
- Patient monitoring
- Isolated communications modules
UCC12040 3 kVRMS Isolated DC-DC Converters
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
 |  | UCC12040DVER | DC DC CONVERTER 3.3V 5V 500MW | 3890 - Immediate | $53.84 | View Details |
| | UCC12040DVE | DC DC CONVERTER 3.3V 5V 500MW | 788 - Immediate | $63.55 | View Details |
UCC12050 5 kVRMS Isolated DC/DC Converters
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
| | UCC12050DVE | DC DC CONVERTER 3.3V 5V 500MW | 1838 - Immediate | $58.36 | View Details |
| | UCC12050DVER | DC DC CONVERTER 3.3V 5V 500MW | 2812 - Immediate | $59.11 | View Details |
Evaluation Board
| Image | Manufacturer Part Number | Description | Outputs and Type | Power - Output | Voltage - Output | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
|  | UCC12050EVM-022 | EVAL BOARD FOR UCC12050 | 1 Isolated Output | 500mW | 3.3V, 3.7V, 5V or 5.4V | 6 - Immediate | $484.04 | View Details |
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