Overview
The DCR010505U/1K is a high-efficiency, input-isolated, output-regulated DC/DC converter from Texas Instruments. This device is part of the DCR01 family, which offers 1-W nominal, galvanically-isolated output power capability. It 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 | Units |
|---|---|---|
| Package | SOP (DVB) | - |
| Pins | 12 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Input Voltage | 5 V, 12 V, or 24 V | V |
| Output Voltage | 3.3 V or 5 V | V |
| Switching Frequency | 400 kHz | kHz |
| Isolation Voltage (1-second test) | 1 kVrms | Vrms |
| Continuous Voltage Across Isolation Barrier | 60 VDC, 42.5 VAC | V |
| Output Current | Up to 200 mA | mA |
| Line Regulation | 1 mV/V | mV/V |
| Thermal Shutdown Temperature | 150 °C | °C |
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
- 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 nominal output power of the DCR010505U/1K?
The nominal output power is 1 W.
- What are the available input voltages for the DCR010505U/1K?
The available input voltages are 5 V, 12 V, and 24 V.
- What are the available output voltages for the DCR010505U/1K?
The available output voltages are 3.3 V and 5 V.
- What is the switching frequency of the DCR010505U/1K?
The switching frequency is 400 kHz.
- Does the DCR010505U/1K have thermal protection?
- Is the DCR010505U/1K short-circuit protected?
- What is the isolation voltage rating of the DCR010505U/1K?
The isolation voltage rating is 1 kVrms for a 1-second test.
- Can the DCR010505U/1K be synchronized with other devices?
- What are some common applications of the DCR010505U/1K?
- What is the operating temperature range of the DCR010505U/1K?
