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STMicroelectronics Demonstration Board Power Supply for L7981 Step-Down Switching Power Supply Evaluation Kit STEVAL-ISA094V1
Specifications
| Country of Origin | Italy |
|---|---|
| Brand | STMicroelectronics |
| Model | STEVAL-ISA094V1 |
| For Use With | Step-Down Switching Power Supply |
| Standards/Approvals | RoHS |
| Kit Classification | Evaluation Board |
| Featured Device | L7981 |
| Kit Name | Demonstration Board |
| Low dropout operation | 100% duty cycle |
Key Features
- The kit delivers up to 3 A DC output current.
- Input voltage range is 4.5 V to 28 V for flexible operation.
- Output voltage adjustable from 0.6 V to input voltage level.
- Internal 250 kHz switching frequency, programmable up to 1 MHz external adjustment.
- Features embedded power MOSFET in an HSOP8 package.
- Includes internal soft-start and enable functionalities.
- Supports low dropout operation with 100% duty cycle.
- Provides overcurrent and thermal protections for reliable use.
Product Description
STMicroelectronics STEVAL-ISA094V1 is a demonstration board designed to evaluate and develop step-down switching power supply circuits using the L7981 switching regulator in an HSOP8 package. The L7981 device features an embedded power MOSFET and supports up to 3 A continuous load current depending on application conditions, making it suitable for various power management applications.
The input voltage range for the board spans from 4.5 V to 28 V, allowing a wide selection of power sources. The output voltage can be finely adjusted from as low as 0.6 V up to the input voltage level, enabling versatile output configuration to suit specific load requirements.
The on-board L7981 regulator incorporates a 250 kHz internal switching frequency oscillator that can be externally programmed up to 1 MHz, providing design flexibility and enabling size reduction of external components. The integrated soft-start and enable features ensure smooth power-up and controlled startup sequences.
This evaluation kit supports low dropout operation with a 100% duty cycle, optimizing efficiency especially under light load conditions. Additional safety features include overcurrent protection and thermal shutdown, enhancing reliability in industrial, laboratory, and educational development environments.
Compact and requiring minimal external components, the STEVAL-ISA094V1 demonstration board is ideal for power, motor, and robotics power supply development and testing in research, engineering, and prototype production setups.
The kit delivers up to 3 A DC output current. Input voltage range is 4.5 V to 28 V for flexible operation. Output voltage adjustable from 0.6 V to input voltage level. Internal 250 kHz switching frequency, programmable up to 1 MHz external adjustment.
Features embedded power MOSFET in an HSOP8 package. Includes internal soft-start and enable functionalities. Supports low dropout operation with 100% duty cycle. Provides overcurrent and thermal protections for reliable use.
Designed for evaluation and development in power management applications.
This board is compliant with RoHS standards and is manufactured in Italy. It is widely used in development and educational tools for power management and switching power supply projects. Explore a broad selection of power supply development kits and switching regulators at EnvMart for enhanced prototyping and industrial applications.
Explore more products in our Power Supplies category.
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Frequently Asked Questions
The input voltage range for the STEVAL-ISA094V1 is from 4.5 V to 28 V, allowing for flexible operation with various power sources.
This demonstration board can deliver up to 3 A DC output current, depending on application conditions.
The internal switching frequency of the L7981 is 250 kHz, which can be programmed externally up to 1 MHz for design flexibility.
The evaluation board includes overcurrent protection and thermal shutdown features, enhancing reliability during operation.
This model is suitable for power management applications, including development and testing in power, motor, and robotics power supply projects.
The specific dimensions and weight of this model are not provided in the available data.
The STEVAL-ISA094V1 is manufactured in Italy.
Yes, the kit is compliant with RoHS standards.
The L7981 features an embedded power MOSFET in an HSOP8 package and supports low dropout operation with a 100% duty cycle.
The internal soft-start functionality ensures smooth power-up and controlled startup sequences for the power supply.
This product is classified as an evaluation board designed for demonstration and development purposes.
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