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STMicroelectronics Buck Converter Surface Mount STEF12SPUR
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Length | 3.15mm |
| Model | STEF12SPUR |
| Width | 3.15mm |
| Mount Type | Surface |
| Series | STEF12S |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -40°C |
Key Features
- Precisely monitors overcurrent and overvoltage conditions.
- Includes undervoltage lockout to prevent load malfunction.
- Features 15 V typical output overvoltage clamp.
- Thermal protection and adjustable current limit ensure device safety.
- Integrated 40 mΩ power FET minimizes power loss.
- Low inrush current design during start-up.
- Available in compact TSOT23-8L and DFN10 packages.
- Latch or autoretry versions available for different use cases.
Product Description
The STMicroelectronics STEF12SPUR is a surface mount buck converter designed as an integrated electronic fuse optimized for 12 V DC power line applications. It provides precise detection and reaction to overcurrent and overvoltage events to protect sensitive electronic equipment. The integrated undervoltage lockout prevents the device from activating if the rail voltage falls below safe operating levels, avoiding load malfunction.
This device features a 15 V typical output overvoltage clamp and an adjustable current limit, combined with thermal protection to maintain reliable operation under varying environmental and load conditions. The internal 40 mΩ power FET ensures efficient power handling with minimal losses. During start-up phases, the converter benefits from a low inrush current design to reduce stress on power sources.
Packaged in compact TSOT23-8L and DFN10 (3 x 3 mm) footprints, the STEF12SPUR is suitable for space-constrained PCB layouts. The latch or autoretry features accommodate different protection strategies according to application requirements. Operating temperature ranges from -40°C to a maximum of 125°C, making it robust for industrial, automotive, and telecom power supply applications.
Precisely monitors overcurrent and overvoltage conditions. Integrated undervoltage lockout ensures safe device operation. Adjustable current limit and thermal protection enhance reliability. Compact surface mount packages support PCB integration.
Latch or autoretry protection modes available.
This Buck Converter is ideal for industrial power management, telecommunications equipment, and automotive electronic systems. Its compact size and protective features make it suitable for advanced electronic designs requiring efficient power regulation and system safety.
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Frequently Asked Questions
The STEF12SPUR features a 15 V typical output overvoltage clamp to protect connected devices from voltage spikes.
This model has a length and width of 3.15 mm, making it suitable for compact PCB layouts.
It operates within a temperature range of -40°C to 125°C, suitable for various industrial and automotive applications.
This buck converter is designed for surface mounting, facilitating easy integration into PCB designs.
It includes thermal protection, adjustable current limit, and an integrated undervoltage lockout to ensure safe operation and prevent load malfunction.
The STEF12SPUR has an integrated power FET with a resistance of 40 mΩ, minimizing power loss during operation.
This model is available in compact TSOT23-8L and DFN10 packages, suitable for space-constrained applications.
It is ideal for industrial power management, telecommunications equipment, and automotive electronic systems.
The low inrush current design during start-up reduces stress on power sources, enhancing reliability in power management applications.
The STEF12SPUR belongs to the STEF12S series of buck converters from STMicroelectronics.
These features accommodate different protection strategies, allowing users to select the appropriate response to fault conditions.
The country of origin for the STEF12SPUR is India.
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