Overview
The DCR010503UG4 from Texas Instruments is part of the DCR01 series of high-efficiency, input-isolated, output-regulated DC/DC converters. These devices are designed to provide 1-W nominal, galvanically-isolated output power with very low output noise, thermal protection, and high accuracy. The DCR010503UG4 is suitable for a wide range of applications requiring signal path isolation and is an easy-to-use solution for point-of-use power conversion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage (+VS) | 5 | V |
| Output Voltage (+VOUT) | 3.3 | V |
| Output Current | 300 | mA |
| Output Ripple | 5 mVp-p | mVp-p |
| Output Noise | 35 mVp-p | mVp-p |
| Isolation Voltage | 1 kV (1-second test) | V |
| Switching Frequency | 400 kHz | kHz |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | 10-pin PDIP or 12-pin SOP |
Key Features
- 1-kV isolation (operational): 1-second test
- Continuous voltage applied across isolation barrier: 60 VDC, 42.5 VAC
- UL1950 recognized component
- Device-to-device synchronization
- Short-circuit protection and thermal protection
- High efficiency
- Low output noise
- External synchronization capability
Applications
- Point-of-use power conversion
- Digital interface power
- Ground loop elimination
- Power-supply noise reduction
Q & A
- What is the input voltage range for the DCR010503UG4?
The input voltage for the DCR010503UG4 is 5 V. - What is the output voltage of the DCR010503UG4?
The output voltage is 3.3 V. - What is the maximum output current of the DCR010503UG4?
The maximum output current is 300 mA. - What is the isolation voltage of the DCR010503UG4?
The isolation voltage is 1 kV for a 1-second test. - Does the DCR010503UG4 have short-circuit and thermal protection?
Yes, it has both short-circuit and thermal protection. - What is the switching frequency of the DCR010503UG4?
The switching frequency is 400 kHz. - Can the DCR010503UG4 be synchronized with other devices?
Yes, it supports device-to-device synchronization and external synchronization. - What are the package options for the DCR010503UG4?
The package options are 10-pin PDIP and 12-pin SOP. - What is the operating temperature range of the DCR010503UG4?
The operating temperature range is -40°C to 85°C. - Is the DCR010503UG4 UL1950 recognized?
Yes, it is UL1950 recognized.
