Overview
The Texas Instruments DCR010503U/1K is a miniature, high-efficiency, input-isolated, output-regulated DC/DC converter. This device is part of the DCR01 family, which offers 1-W nominal, galvanically-isolated output power capability. It features 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 | Description | Value |
|---|---|---|
| Package | 12-pin SOP (DVB) | |
| Operating Temperature Range | -40°C to 85°C | |
| Input Voltage | 5 V, 12 V, or 24 V | |
| Output Voltage | 3.3 V or 5 V | |
| Output Current | Up to 300 mA | |
| Switching Frequency | 400 kHz | |
| Isolation Voltage | 1 kV (1-second test), 60 VDC, 42.5 VAC continuous | |
| Efficiency | High efficiency, up to 85% at full load | |
| Failure Rate | 125 FITs at 55°C | |
| Certifications | UL1950 recognized component |
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 DCR010503U/1K?
The isolation voltage is 1 kV for a 1-second test and 60 VDC, 42.5 VAC continuous.
- What are the available input voltages for the DCR010503U/1K?
The available input voltages are 5 V, 12 V, or 24 V.
- What are the output voltage options for the DCR010503U/1K?
The output voltage options are 3.3 V or 5 V.
- What is the switching frequency of the DCR010503U/1K?
The switching frequency is 400 kHz.
- Does the DCR010503U/1K have short-circuit and thermal protection?
- What is the efficiency of the DCR010503U/1K?
The efficiency is high, up to 85% at full load.
- What certifications does the DCR010503U/1K hold?
The DCR010503U/1K is a UL1950 recognized component.
- What are the package options for the DCR010503U/1K?
The package options are 10-pin PDIP and 12-pin SOP.
- What is the operating temperature range of the DCR010503U/1K?
The operating temperature range is -40°C to 85°C.
- What is the failure rate of the DCR010503U/1K at 55°C?
The failure rate is 125 FITs at 55°C.
