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STMicroelectronics 1.5 A Synchronous Step-Down Switching Regulator Evaluation Board STEVAL-L6981NDR
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Model | STEVAL-L6981NDR |
| Output Current | 1.5 A |
| For Use With | Power Tools |
| Kit Classification | Evaluation Board |
| Featured Device | L6981 |
| Kit Name | 1.5 A synchronous step-down switching regulator |
Key Features
- Wide input voltage range from 3.5 V to 38 V.
- Delivers up to 1.5 A DC output current.
- Offers low consumption and low noise operation modes.
- Includes internal soft-start and enable/disable function.
- Provides overvoltage and thermal protection features.
- Supports synchronization with external clock for LNM devices.
- Packaged in space-saving SO-8L package.
Product Description
STMicroelectronics STEVAL-L6981NDR is a 1.5 A synchronous monolithic step-down Switching Regulator evaluation board based on the L6981 device. It supports an input voltage range from 3.5 V to 38 V, making it suitable for a broad variety of industrial power systems applications including power tools.
The regulator integrates peak current mode architecture with internal compensation, reducing design complexity and board footprint. It offers two operation modes: Low Consumption Mode (LCM) maximizes efficiency with controlled output voltage ripple, ideal for battery-powered systems; Low Noise Mode (LNM) provides constant switching frequency and minimal output voltage ripple, suited for noise-sensitive applications.
The device uses an EN pin to control enable and disable functionality with a typical shutdown current of just 2 μA. Internal protections include pulse-by-pulse current sensing on both power elements for constant current protection and thermal shutdown to prevent device damage from overheating.
Output voltages range from 0.85 V to the input voltage, with fixed 3.3 V and 5 V versions available. The SO-8L package supports compact designs and ease of integration. Wide operating input voltage range: 3.5 V to 38 V. Output current up to 1.5 A DC.
Low consumption and low noise operation modes. Internal soft-start to minimize inrush current. Enable/disable control via EN pin. Overvoltage and thermal protections. Synchronization capability with external clock for LNM.
Compact SO-8L package for space-saving design.
This evaluation board is ideal for engineers and designers developing power management solutions for industrial power tools and systems requiring efficient, compact, and controlled step-down regulation. It supports a range of industrial, laboratory, manufacturing, and commercial applications where reliable DC power conversion is critical.
Explore similar power, motor, and robotics development tools on EnvMart to find complementary components and support for your projects.
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Frequently Asked Questions
This model supports a wide input voltage range from 3.5 V to 38 V.
This evaluation board is suitable for a variety of industrial power systems applications, including power tools.
The device uses an EN pin to control the enable and disable functionality, with a typical shutdown current of just 2 μA.
It features pulse-by-pulse current sensing for constant current protection and thermal shutdown to prevent overheating.
It is packaged in a space-saving SO-8L package, which supports compact designs and ease of integration.
Yes, it supports synchronization with an external clock for Low Noise Mode (LNM) applications.
The country of origin for this product is India.
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