L7987

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L7987

+БОМ

IC REG BUCK ADJ 3A 16HTSSOP

  • ПроизводительSTМикроэлектроника

  • Мфр. Часть #L7987

  • Лист данных L7987 DataSheet

  • Пакет HTSSOP16

  • В наличии5422

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

Гарантия подлинного продукта

Спецификации

Атрибут Ценность
Package Tube
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 61V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 61V
Current-Output 3A
Frequency-Switching 250kHz ~ 1.5MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 16-TSSOP (0.173, 4.40mm Width) Exposed Pad

Обзор

Description

"L7987" is not a widely recognized term or subject based on available data up to October 2023. It could refer to a specific course code, product number, project name, or something else unique to a particular context, such as a university curriculum, corporate setting, or a proprietary system. Without additional context or details about what "L7987" pertains to, it's challenging to provide a precise introduction.
If "L7987" is a course, it likely involves a specialized area of study, potentially within a specific discipline. As a product or project, it might refer to a model number, prototype, or a development initiative within a company or organization. To provide a more accurate introduction, further clarification or context about what "L7987" specifically relates to is necessary.

Equivalent

The L7987 is a step-down switching regulator from STMicroelectronics. Equivalent products might include other step-down (buck) regulators with similar specifications from manufacturers like Texas Instruments (e.g., TPS54302), ON Semiconductor (e.g., NCP3170), or Analog Devices (e.g., ADP2300). When selecting an equivalent, consider parameters like input voltage range, output current capability, switching frequency, and package type to ensure compatibility with your application.

Features

The L7987 is a voltage regulator IC, typically used in various electronic applications. Key features include:
1. Input Voltage Range: Generally supports a wide input voltage range, making it versatile for different power sources.
2. Output Current: Provides a substantial output current suitable for powering various loads.
3. Efficiency: High-efficiency performance, minimizing power loss and heat generation.
4. Protection Features: Includes protection mechanisms such as overcurrent protection, thermal shutdown, and short-circuit protection to safeguard against potential damage.
5. Low Dropout Voltage: Ensures reliable performance even with minimal voltage difference between input and output.
6. Thermal Performance: May come with heat dissipation capabilities to enhance stability.
7. Compact Package: Available in compact packages that save space on circuit boards.
8. Regulation Accuracy: Offers precise output voltage regulation for consistent performance.
These general features can vary slightly depending on the specific model and manufacturer. Always refer to the official datasheet for precise specifications.

Pinout

The L7987 is a step-down switching regulator IC from STMicroelectronics. It typically comes in a HSOP8 package, which features 8 pins. Here's a concise overview of its pin functions:
1. VIN: Input voltage pin, where the input power supply is connected.
2. VCC: Provides the supply voltage for the internal circuitry.
3. EN: Enable pin, used to turn the regulator on or off.
4. SW: Switch output, connected to the inductor and is part of the power path.
5. GND: Ground pin, serves as the reference for the IC and power ground.
6. FB: Feedback pin, where a voltage divider is connected to set the output voltage.
7. COMP: Compensation pin, used for frequency compensation of the control loop.
8. SS: Soft start pin, used to control the inrush current and gradual increase of the output voltage.
The L7987 is used in applications requiring efficient voltage regulation with a typical switching frequency. Its features include internal current limiting, thermal shutdown, and a wide input voltage range, making it suitable for various electronics applications.

Manufacturer

The L7987 is a product manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products, including integrated circuits and discrete devices. The company serves a diverse array of industries, such as automotive, industrial, personal electronics, and communications infrastructure. STMicroelectronics is known for its innovation in electronics and its ability to provide solutions that address energy efficiency, security, and connectivity challenges in various applications.

Application

The L7987 is a step-down switching voltage regulator typically used in various applications requiring efficient power management. Common application areas include:
1. Consumer Electronics: Provides stable voltage for devices like set-top boxes, TVs, and gaming consoles.
2. Industrial Equipment: Used in control systems, automation devices, and other industrial electronics.
3. Automotive Systems: Powers infotainment systems, dashboard electronics, and sensors.
4. Telecommunications: Supports efficient power conversion in network devices and communication equipment.
5. Computer Peripherals: Supplies power to peripherals and components like routers and modems.
6. Embedded Systems: Utilized in microcontroller and microprocessor-based applications for efficient power delivery.
These use cases leverage its ability to maintain efficiency across a range of input voltages and output currents.

Package

The L7987 typically refers to a specific part number for an electronic component. To identify the exact package type, you'll need to refer to the datasheet or manufacturer's product information for that specific part number, as package types can vary by manufacturer and application.

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