Overview
The DCR010505U/1KG4 is part of the DCR01 series of DC/DC converters produced by Texas Instruments. These devices are high-efficiency, input-isolated, and output-regulated, making them suitable for a wide range of applications requiring signal path isolation. The DCR01 series offers nominal output power of 1 W and is available with various input and output voltage configurations.
The DCR010505U specifically operates with a 5 V input and provides a 5 V output, featuring advanced BiCMOS and DMOS process technology. These converters are designed for point-of-use power conversion, digital interface power, ground loop elimination, and power-supply noise reduction.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage | 4.5 - 5.5 | V |
| Output Voltage | 5 | V |
| Output Current | 200 | mA |
| Output Ripple | 6 mVp-p | mVp-p |
| Output Noise | 20 mVp-p | mVp-p |
| Switching Frequency | 400 kHz | kHz |
| Isolation Voltage | 1 kV (1-second test) | V |
| Operating Temperature | -40°C to 85°C | °C |
| Package Type | 10-pin PDIP, 12-pin SOP | |
| Thermal Resistance (Junction-to-Ambient) | 60 °C/W | °C/W |
Key Features
- 1-kV isolation (operational) with 1-second test and continuous voltage applied across isolation barrier: 60 VDC, 42.5 VAC
- UL1950 recognized component
- Available in 10-pin PDIP and 12-pin SOP packages
- Device-to-device synchronization capability
- 400-kHz switching frequency
- Short-circuit protection and thermal protection
- High efficiency with low output noise
- Internal low dropout linear regulator for well-regulated output voltage
- Onboard oscillator with watchdog circuit for system noise minimization
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 DCR010505U?
The input voltage range for the DCR010505U is 4.5 V to 5.5 V.
- What is the output voltage of the DCR010505U?
The output voltage of the DCR010505U is 5 V.
- What is the maximum output current of the DCR010505U?
The maximum output current of the DCR010505U is 200 mA.
- What is the isolation voltage of the DCR01 series?
The isolation voltage of the DCR01 series is 1 kV (1-second test).
- What are the available package types for the DCR010505U?
The DCR010505U is available in 10-pin PDIP and 12-pin SOP packages.
- Does the DCR010505U have short-circuit and thermal protection?
- What is the switching frequency of the DCR010505U?
The switching frequency of the DCR010505U is 400 kHz.
- Can the DCR010505U be synchronized with other devices?
- What is the operating temperature range of the DCR010505U?
The operating temperature range of the DCR010505U is -40°C to 85°C.
- Is the DCR010505U UL1950 recognized?
