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Category Development Boards, Kits, Programmers>Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS
Mfr STMicroelectronics
Package Box
Product Status Obsolete
Main Purpose DC/DC, Step Down
Outputs and Type 1, Non-Isolated
Voltage - Output 1.22V
Current - Output 3A
Voltage - Input 5.5V ~ 48V
Regulator Topology Buck
Frequency - Switching 850kHz
Board Type Fully Populated
Supplied Contents Board(s)
Utilized IC / Part ST1S14
Other Names 497-13364,STEVALISA104V1
Standard Package 1
MSL Level 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8504.40.9580
Win Source Part Number 1284285-STEVAL-ISA104V1
Ultra Librarian 3D Model Ultra Librarian STEVAL-ISA104V1 CAD Model

Description

The STEVAL-ISA104V1 is a highly integrated product from STMicroelectronics, designed to showcase the capabilities of the L7987L, a 3 A step-down switching regulator with a wide input voltage range and enhanced features for flexibility and performance in various applications. This evaluation board provides an excellent platform for engineers and designers to explore the functionalities and benefits of the L7987L in their power supply designs.

Key Features

  • Adjustable Output Voltage: The board is set to provide a default output voltage of 3.3V, which can be adjusted up to 28V via a resistor divider, offering versatility for different voltage requirements.
  • Wide Input Voltage Range: With an input voltage range from 4.5V to 61V, the STEVAL-ISA104V1 is suitable for a variety of applications, including industrial and automotive systems that experience wide voltage fluctuations.
  • High Efficiency: The L7987L regulator on the board is designed for high efficiency, which is critical for reducing power loss and managing thermal performance in electronic devices.
  • Compact Design: The evaluation board features a compact layout that demonstrates the space-saving advantages of the L7987L, making it ideal for applications with limited PCB space.
  • Thermal Protection: The board includes thermal shutdown protection to prevent damage from overheating, ensuring reliable operation under various conditions.
  • Under-voltage Lockout: The under-voltage lockout feature ensures that the regulator operates only when the input voltage is within the specified range, enhancing the safety and reliability of the application.

Applications

The STEVAL-ISA104V1 is suitable for a wide range of applications, including industrial control systems, automotive electronics, telecommunications infrastructure, and consumer electronics that require a stable and efficient power supply solution.

Additional Information

The evaluation board is fully assembled and tested, allowing for immediate assessment of the L7987L's features. Detailed documentation and hardware guidelines are available to support rapid development and integration into various projects.

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