LM1086IS-3.3

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LM1086IS-3.3

LM1086 1.5-A FIXED- AND ADJUSTAB

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Übersicht

Description

The LM1086IS-3.3 is a low dropout positive voltage regulator. It is part of the LM1086 series, designed to provide a stable 3.3V output with a maximum current output of 1.5A. The device features a low dropout voltage of approximately 1.5V at full load, making it efficient for applications where input-output voltage differential is critical.
The LM1086IS-3.3 includes internal current limiting, thermal shutdown, and safe-area compensation, enhancing its reliability and safety. These features protect the device from conditions that could cause damage, like overheating or excessive load currents.
It is available in a TO-263 surface-mount package, providing ease of integration into PCBs with space constraints. It is commonly used in applications such as powering microcontrollers, digital circuits, and other sensitive electronics requiring a stable 3.3V power supply.
Overall, the LM1086IS-3.3 offers a reliable solution for efficient voltage regulation with a focus on stability and thermal management.

Features

The LM1086IS-3.3 is a low dropout (LDO) voltage regulator featuring the following key characteristics:
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Output Current: Capable of supplying up to 1.5A load current.
3. Low Dropout Voltage: Offers a dropout voltage typically around 1.5V at full load, making it efficient for applications where the input-output voltage differential is small.
4. Thermal Protection: Includes thermal shutdown for protection against overheating.
5. Current Limiting: Equipped with internal current limiting to safeguard against overcurrent scenarios.
6. Stability: Designed to be stable with low ESR capacitors, which can lower board space and cost.
7. Package: Available in the TO-220 and TO-263 packages, facilitating different mounting and heat dissipation requirements.
8. Applications: Suitable for applications involving microprocessors, battery-powered devices, and other circuits requiring a stable 3.3V supply.
The LM1086IS-3.3's combination of high output current, low dropout voltage, and protective features make it ideal for various electronic applications needing reliable voltage regulation.

Package

The LM1086IS-3.3 is a voltage regulator from the LM1086 series, provided in a TO-263 package. This package type is designed for surface-mount applications and is also known as D2PAK, offering efficient heat dissipation and ease of mounting.

Pinout

The LM1086IS-3.3 is a fixed output voltage linear regulator with a 3.3V output. It typically comes in a TO-263 or TO-220 package with three pins. The pin count and their functions are:
1. Pin 1 (Adj/Ground): For the fixed 3.3V version, this pin is connected to ground.
2. Pin 2 (Output): This is the regulated output pin, providing a 3.3V output with a maximum output current capability of 1.5A.
3. Pin 3 (Input): This pin receives the unregulated input voltage, which should be higher than 3.3V by at least 1.5V to ensure proper regulation.
The LM1086-3.3 is used in applications requiring a stable 3.3V power supply with moderate current requirements. It features thermal shutdown, current limiting, and safe-area compensation to protect the device from damage under fault conditions.

Manufacturer

The LM1086IS-3.3 is a low dropout voltage regulator manufactured by Texas Instruments. Texas Instruments is a technology company that designs and produces a wide range of semiconductor products, including integrated circuits and processors. They are well-known for their innovations in analog and embedded processing technologies, serving industries such as automotive, industrial, consumer electronics, and communications equipment.

Application

The LM1086IS-3.3 is a fixed output voltage regulator primarily used in applications requiring a constant 3.3V supply. It is suitable for powering microcontrollers, digital circuits, and other low-voltage electronics. Common application areas include computing equipment, telecommunications, networking devices, and consumer electronics where stable voltage regulation and efficiency are crucial. Its ability to provide up to 1.5A makes it ideal for high-current requirements in embedded systems and industrial automation.

Equivalent

The LM1086IS-3.3 is a 1.5A low dropout linear voltage regulator with a fixed 3.3V output. Equivalent products include:
1. LD1086V33 by STMicroelectronics
2. LT1086CT-3.3 by Analog Devices
3. MIC29302WU-3.3 by Microchip Technology
4. NCP1117DT33 by ON Semiconductor
These alternatives offer similar voltage and current specifications, but always check the datasheet to ensure complete compatibility for your specific application.

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