Manufacturer: STMicroelectronics

Key Specifications

• Package: 8-pin HSOP (PowerSO-8)
• Output Current: 3 A
• Topology: Step-down (Buck)
• Output Voltage: Adjustable (to be verified)
• Input Voltage Range: to be verified
• Switching Frequency: to be verified
• Operating Temperature: to be verified
• Synchronous Rectification: No (external diode) (to be verified)

The L7986ATR is a step-down switching regulator designed by STMicroelectronics for medium-current power conversion applications. It delivers a continuous output current of 3 A and is housed in an 8-pin HSOP (PowerSO-8) package, which provides a compact footprint with adequate thermal dissipation for industrial and consumer designs.

Key Features

• Adjustable output voltage (exact range to be verified)
• 3 A continuous output current capability
• High-efficiency PWM control (specific efficiency figures to be verified)
• Internal power switch (MOSFET) with external freewheeling diode
• Wide input voltage range (to be verified)
• Built-in protections: thermal shutdown, current limit (details to be verified)
• 8-pin HSOP package with exposed pad for improved thermal performance

Applications

• Point-of-load (POL) converters for boards and modules
• Distributed power systems
• Consumer electronics power supplies
• Industrial control equipment
• Telecommunication and networking gear

Selection Guidance

When selecting the L7986ATR for your design, verify the input voltage range, output voltage adjustability, and switching frequency against your system requirements. The device requires an external diode and inductor; choose components with appropriate ratings. For detailed electrical characteristics and application circuits, refer to the official STMicroelectronics datasheet.