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概述
Description
The LM1086ISX-3.3 is a low dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output with a maximum output current of 1.5A. It is part of the LM1086 series, which are known for their high performance and reliability in power regulation. With a dropout voltage of approximately 1.5V at full load, the LM1086 is ideal for applications requiring a low input-to-output voltage differential.
Key features include:
- Low dropout voltage, which enhances efficiency in low-voltage operations.
- A wide input voltage range, typically from 4.5V to 29V.
- Built-in current limit and thermal shutdown protection, ensuring safety and longevity.
- Available in industry-standard TO-220 and TO-263 packages for easy integration into various circuit designs.
This LDO regulator is commonly used in applications like microcontroller power supply, battery-powered devices, and consumer electronics, where a stable 3.3V output is necessary. Its combination of efficiency, protection features, and ease of use makes it a popular choice among engineers and designers.
Key features include:
- Low dropout voltage, which enhances efficiency in low-voltage operations.
- A wide input voltage range, typically from 4.5V to 29V.
- Built-in current limit and thermal shutdown protection, ensuring safety and longevity.
- Available in industry-standard TO-220 and TO-263 packages for easy integration into various circuit designs.
This LDO regulator is commonly used in applications like microcontroller power supply, battery-powered devices, and consumer electronics, where a stable 3.3V output is necessary. Its combination of efficiency, protection features, and ease of use makes it a popular choice among engineers and designers.
Equivalent
The LM1086ISX-3.3 is a low dropout (LDO) voltage regulator. Equivalent products include the LT1086-3.3 from Analog Devices, the TLV76733 from Texas Instruments, and the LD1117S33 from STMicroelectronics. These regulators offer similar functionality in terms of output voltage, current capacity, and dropout voltage, but always verify the pin configuration and electrical specifications to ensure compatibility.
Features
The LM1086ISX-3.3 is a voltage regulator with several key features:
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Output Current: It supports an output current up to 1.5A, making it suitable for various applications requiring stable power.
3. Dropout Voltage: The device features a low dropout voltage of approximately 1.5V at maximum load, which enhances efficiency by requiring less input-output differential.
4. Thermal Regulation: It includes internal current and thermal limiting for protection against overloads and overheating.
5. Stability: The LM1086 is designed to maintain output voltage accuracy, typically within ±1%, ensuring reliable performance.
6. Package: It is available in a TO-263 package, which aids in thermal dissipation.
7. Applications: Suitable for use in digital systems, power management systems, and as a post-regulator for switching supplies.
These features make the LM1086ISX-3.3 a versatile option for applications that require efficient and reliable voltage regulation.
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Output Current: It supports an output current up to 1.5A, making it suitable for various applications requiring stable power.
3. Dropout Voltage: The device features a low dropout voltage of approximately 1.5V at maximum load, which enhances efficiency by requiring less input-output differential.
4. Thermal Regulation: It includes internal current and thermal limiting for protection against overloads and overheating.
5. Stability: The LM1086 is designed to maintain output voltage accuracy, typically within ±1%, ensuring reliable performance.
6. Package: It is available in a TO-263 package, which aids in thermal dissipation.
7. Applications: Suitable for use in digital systems, power management systems, and as a post-regulator for switching supplies.
These features make the LM1086ISX-3.3 a versatile option for applications that require efficient and reliable voltage regulation.
Pinout
The LM1086ISX-3.3 is a low dropout (LDO) voltage regulator with a fixed output voltage of 3.3V. It typically comes in a TO-263 package or similar, which generally consists of three pins plus a tab. Here's a brief overview of its pin configuration and function:
1. Pin 1 (VIN): This is the input voltage pin where the external voltage is supplied. The input voltage must be higher than the desired output voltage.
2. Pin 2 (VOUT): This is the output voltage pin where the regulated 3.3V is provided.
3. Pin 3 (GND): This is the ground pin and serves as the reference point for output voltage.
4. Tab (also connected to GND): The tab is used for heat dissipation and is typically connected to the ground internally.
The LM1086ISX-3.3 is designed to provide up to 1.5A of output current with a dropout voltage of about 1.5V at maximum current conditions, making it suitable for applications requiring efficient regulation in a compact form factor.
1. Pin 1 (VIN): This is the input voltage pin where the external voltage is supplied. The input voltage must be higher than the desired output voltage.
2. Pin 2 (VOUT): This is the output voltage pin where the regulated 3.3V is provided.
3. Pin 3 (GND): This is the ground pin and serves as the reference point for output voltage.
4. Tab (also connected to GND): The tab is used for heat dissipation and is typically connected to the ground internally.
The LM1086ISX-3.3 is designed to provide up to 1.5A of output current with a dropout voltage of about 1.5V at maximum current conditions, making it suitable for applications requiring efficient regulation in a compact form factor.
Manufacturer
The LM1086ISX-3.3 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits, processors, and analog chips, among others. The company serves various industries, such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is known for its innovation in semiconductor technologies and has a significant presence in research and development, aiming to provide high-performance and energy-efficient solutions to its customers.
Application
The LM1086ISX-3.3 is a voltage regulator designed for applications requiring a stable 3.3V output. It is commonly used in power management systems for consumer electronics, computers, and communication devices. Specific application areas include:
1. Microprocessor Power Supplies: Provides a stable voltage for proper microprocessor operation.
2. Low-Voltage Analog Circuits: Ensures efficient and stable operation of analog components.
3. Battery-Powered Devices: Offers efficient power regulation to extend battery life.
4. Networking Equipment: Used in routers and switches for reliable power delivery.
5. Industrial Automation: Powers control systems requiring precise voltage levels.
Its low dropout voltage and high output current capability make it versatile for various power management tasks.
1. Microprocessor Power Supplies: Provides a stable voltage for proper microprocessor operation.
2. Low-Voltage Analog Circuits: Ensures efficient and stable operation of analog components.
3. Battery-Powered Devices: Offers efficient power regulation to extend battery life.
4. Networking Equipment: Used in routers and switches for reliable power delivery.
5. Industrial Automation: Powers control systems requiring precise voltage levels.
Its low dropout voltage and high output current capability make it versatile for various power management tasks.
Package
The LM1086ISX-3.3 is a voltage regulator with a package type known as SOT-223.
