Overview
The UCC12040DVE from Texas Instruments is a high-efficiency, low-EMI, 3-kVrms basic isolation DC-DC converter module. This device is designed to provide efficient, isolated power to circuits that require a well-regulated output voltage. It integrates a transformer and DC/DC controller with a proprietary architecture, offering 500 mW of isolated power. The UCC12040DVE is packaged in a 16-pin wide-body SOIC package with a height of 2.65 mm, making it a low-profile, miniaturized solution suitable for applications with limited board space.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 V to 5.5 V | V |
| Output Voltages (selectable) | 5.4 V, 5.0 V, 3.7 V, 3.3 V | V |
| Output Power | 500 mW | mW |
| Peak Efficiency | 60% | % |
| Line Regulation (typical) | 1% | % |
| Load Regulation (typical) | 1.5% | % |
| Isolation Rating | 3 kVrms | kVrms |
| Surge Capability | 6.5 kVpk | kVpk |
| Working Voltage | 850 Vrms | Vrms |
| CMTI (typical) | ±100 V/ns | V/ns |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package | SO-MOD (DVE) with 16 pins |
Key Features
- High-density DC/DC module with optimized integrated transformer technology
- Meets CISPR32 Class B EMI limits without ferrite beads on a 2-layer PCB
- Spread spectrum modulation (SSM)
- Robust isolation barrier with 3 kVrms basic isolation rating
- Short circuit recovery and thermal shutdown
- Enable pin and synchronization capability
- Regulated 5-V or 3.3-V output options with headroom
- UL certification per IEC 60950-1, IEC 62368-1, and IEC 60601-1 end equipment standards
- CQC approval per GB4943.1-2011
Applications
- PLC analog input & output modules
- Grid protection relays & smart breakers
- Medical patient monitors
- Isolated bias for digital isolators
- Isolated bias for RS-485/RS-422/CAN transceivers
- Isolated bias for voltage and current sensors
Q & A
- What is the input voltage range of the UCC12040DVE?
The input voltage range is 4.5 V to 5.5 V. - What are the selectable output voltages for the UCC12040DVE?
The selectable output voltages are 5.4 V, 5.0 V, 3.7 V, and 3.3 V. - What is the maximum output power of the UCC12040DVE?
The maximum output power is 500 mW. - What is the peak efficiency of the UCC12040DVE?
The peak efficiency is 60%. - Does the UCC12040DVE meet any specific EMI standards?
Yes, it meets CISPR32 Class B EMI limits without ferrite beads on a 2-layer PCB. - What is the isolation rating of the UCC12040DVE?
The isolation rating is 3 kVrms. - What safety certifications does the UCC12040DVE have?
It has UL certification per IEC 60950-1, IEC 62368-1, and IEC 60601-1 end equipment standards, and CQC approval per GB4943.1-2011. - What is the operating temperature range of the UCC12040DVE?
The operating temperature range is -40°C to 125°C. - What package type is the UCC12040DVE available in?
The UCC12040DVE is available in a 16-pin wide-body SOIC package. - Does the UCC12040DVE have any built-in protection features?
Yes, it includes short circuit recovery and thermal shutdown.
