Overview
The DCR011205U/1K is a high-efficiency, input-isolated, output-regulated DC/DC converter from Texas Instruments. It belongs to 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. The small size and comprehensive feature set make the DCR01 series suitable for a wide range of applications, particularly those requiring signal path isolation.
Key Specifications
| Device type | Isolated modules | Topology | Buck |
|---|---|---|---|
| Vin (min) (V) | 10.8 | Vin (max) (V) | 13.2 |
| Iout (max) (A) | 0.2 | Features | 1W, Regulated, Single output |
| Operating temperature range (°C) | -40 to 85 | Regulated outputs (#) | 1 |
| Control mode | Voltage mode | Rating | Catalog |
| Package | 12-pin SOP (DVB) | Pins | 12 |
| Input voltage | 12 V | Output voltage | 5 V |
| Switching frequency | 400 kHz | Isolation voltage | 1 kV (1-second test) |
| Continuous isolation voltage | 60 VDC, 42.5 VAC | FIT rate at 55°C | 125 FITs |
Key Features
- 1-kV isolation (operational): 1-second test
- Continuous voltage applied across isolation barrier: 60 VDC, 42.5 VAC
- UL1950 recognized component
- Available in 10-pin PDIP and 12-pin SOP packages
- Input voltage options: 5 V, 12 V, or 24 V
- Output voltage options: 3.3 V or 5 V
- Device-to-device synchronization
- 400-kHz switching frequency
- Short-circuit protection
- Thermal protection
- High efficiency
- Low output noise
Applications
- Point-of-use power conversion
- Digital interface power
- Ground loop elimination
- Power-supply noise reduction
- Any application requiring signal path isolation
Q & A
- What is the nominal output power of the DCR011205U/1K?
The nominal output power is 1 W.
- What are the available input voltage options for the DCR011205U/1K?
The input voltage options are 5 V, 12 V, or 24 V.
- What is the output voltage of the DCR011205U/1K?
The output voltage is 5 V.
- What is the isolation voltage rating of the DCR011205U/1K?
The isolation voltage rating is 1 kV for a 1-second test.
- Does the DCR011205U/1K have thermal protection?
- What is the switching frequency of the DCR011205U/1K?
The switching frequency is 400 kHz.
- Is the DCR011205U/1K UL1950 recognized?
- What is the maximum output current of the DCR011205U/1K?
The maximum output current is 0.2 A.
- What are the package options for the DCR011205U/1K?
The package options are 10-pin PDIP and 12-pin SOP.
- What is the operating temperature range of the DCR011205U/1K?
The operating temperature range is -40°C to 85°C.
