Overview
The DCR011205UG4 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. This device is designed to provide very low output noise, thermal protection, and high accuracy, making it suitable for a wide range of applications requiring signal path isolation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage | 5 V, 12 V, or 24 V | V |
| Output Voltage | 3.3 V or 5 V | V |
| Output Current | Up to 200 mA | mA |
| Isolation Voltage | 1 kV (1-second test) | V |
| Continuous Voltage Across Isolation Barrier | 60 VDC, 42.5 VAC | V |
| Switching Frequency | 400 kHz | kHz |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Types | 10-pin PDIP, 12-pin SOP | |
| Setpoint Accuracy | 0.5% to 2% | % |
| Line Regulation | 1 mV/V to 2.5% | mV/V, % |
| Temperature Variation | 1% | % |
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 isolation voltage of the DCR011205UG4?
The isolation voltage is 1 kV for a 1-second test.
- What are the available input voltages for this DC/DC converter?
The input voltages are 5 V, 12 V, or 24 V.
- What are the output voltage options for the DCR011205UG4?
The output voltages are 3.3 V or 5 V.
- What is the switching frequency of this device?
The switching frequency is 400 kHz.
- Does the DCR011205UG4 have protection features?
Yes, it includes short-circuit protection and thermal protection.
- What is the operating temperature range of the DCR011205UG4?
The operating temperature range is -40°C to 85°C.
- What are the package types available for this component?
The package types are 10-pin PDIP and 12-pin SOP.
- Is the DCR011205UG4 UL1950 recognized?
Yes, it is UL1950 recognized.
- Can the DCR011205UG4 be used for safety isolation circuits?
No, it must not be used as part of a safety isolation circuit requiring reinforced isolation.
- What is the setpoint accuracy of the DCR011205UG4?
The setpoint accuracy is 0.5% to 2%.
