Overview
The DCR011203U/1K is a high-efficiency, input-isolated, output-regulated DC/DC converter from Texas Instruments. It is part of the DCR01 family, which offers 1-W nominal, galvanically-isolated output power capability. These converters are known for their very low output noise, thermal protection, and high accuracy, making them suitable for a wide range of applications requiring signal path isolation.
Key Specifications
| Parameter | Value |
|---|---|
| Device Type | Isolated Modules |
| Topology | Buck |
| Vin (min) (V) | 10.8 |
| Vin (max) (V) | 13.2 |
| Iout (max) (A) | 0.3 |
| Operating Temperature Range (°C) | -40 to 85 |
| Control Mode | Voltage Mode |
| Output Voltage | 3.3 V or 5 V |
| Power (Watts) | 1 W |
| Isolation Voltage | 1 kV |
| Package | 12-pin SOP (DVB) |
| Switching Frequency | 400 kHz |
Key Features
- 1-kV isolation (operational): 1-second test
- Continuous voltage applied across isolation barrier: 60 VDC, 42.5 VAC
- UL1950 recognized component
- 10-pin PDIP and 12-pin SOP packages
- Input voltage: 5 V, 12 V, or 24 V
- Output voltage: 3.3 V or 5 V
- Device-to-device synchronization
- 400-kHz switching frequency
- Short-circuit protection
- Thermal protection
- High efficiency
- 125 FITs at 55°C
Applications
- Point-of-use power conversion
- Digital interface power
- Ground loop elimination
- Power-supply noise reduction
Q & A
- What is the DCR011203U/1K used for? The DCR011203U/1K is used for high-efficiency, input-isolated, output-regulated DC/DC conversion in various applications requiring signal path isolation.
- What are the input voltage options for the DCR011203U/1K? The input voltage options are 5 V, 12 V, or 24 V.
- What are the output voltage options for the DCR011203U/1K? The output voltage options are 3.3 V or 5 V.
- What is the isolation voltage of the DCR011203U/1K? The isolation voltage is 1 kV.
- What is the switching frequency of the DCR011203U/1K? The switching frequency is 400 kHz.
- Does the DCR011203U/1K have short-circuit and thermal protection? Yes, it has both short-circuit and thermal protection.
- What is the operating temperature range of the DCR011203U/1K? The operating temperature range is -40°C to 85°C.
- Is the DCR011203U/1K UL1950 recognized? Yes, it is UL1950 recognized.
- What package types are available for the DCR011203U/1K? It is available in 10-pin PDIP and 12-pin SOP packages.
- Can the DCR011203U/1K be synchronized with other devices? Yes, it supports device-to-device synchronization.
