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LD1117S18TR

Name: LD1117S18TR
Rating: 4.7 (12 reviews)

IC REG LINEAR 1.8V 800MA SOT223

Производитель
Мфр. Часть #LD1117S18TR
Пакет SOT-223
Лист данных LD1117S18TR DataSheet
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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
OutputConfiguration	Positive
OutputType	Fixed
NumberofRegulators	1
Voltage-Input(Max)	15V
Voltage-Output(Min/Fixed)	1.8V
VoltageDropout(Max)	1.2V @ 800mA
Current-Output	800mA
Current-Quiescent(Iq)	10 mA
PSRR	75dB (120Hz)
ProtectionFeatures	Over Current, Over Temperature
OperatingTemperature	0°C ~ 125°C
MountingType	Surface Mount
Package/Case	TO-261-4, TO-261AA

Обзор

Description

The LD1117S18TR is a low-dropout (LDO) linear voltage regulator designed to provide a stable output voltage of 1.8V. It is part of the LD1117 series, known for its efficiency and reliability in various applications. This component can deliver an output current of up to 800mA, making it suitable for powering moderate loads.
Key features include a low dropout voltage of approximately 1.2V at maximum output current, low quiescent current, and over-temperature and over-current protection. The LD1117S18TR is typically packaged in a SOT-223 form factor, which allows for efficient thermal management and ease of use on PCBs.
This regulator is commonly used in applications such as microcontroller power supplies, networking devices, and consumer electronics, where a stable and precise voltage is crucial. Its compact size and robust performance make it an ideal choice for designers seeking efficient power management solutions in space-constrained environments.

Features

The LD1117S18TR is a fixed low-dropout (LDO) linear voltage regulator. Key features include:
1. Output Voltage: It provides a fixed output voltage of 1.8V.
2. Input Voltage: Supports a wide input voltage range, typically up to 15V.
3. Output Current: Can deliver up to 800 mA of output current.
4. Low Dropout Voltage: Typically around 1.1V at maximum output current, enhancing efficiency in low-voltage applications.
5. Stability: Requires minimal external components for stability, often just a pair of capacitors.
6. Thermal Protection: Includes internal thermal shutdown to prevent overheating.
7. Current Limiting: Features internal current limiting to protect against overload conditions.
8. Package: Available in SOT-223 surface-mount package, facilitating easy integration into circuit designs.
These features make the LD1117S18TR suitable for a variety of applications, including powering microcontrollers, digital circuits, and other low-voltage devices.

Package

The LD1117S18TR is a low-dropout linear voltage regulator from STMicroelectronics. It is housed in a SOT-223 package, which is a small, surface-mount package suitable for applications requiring efficient thermal performance and compact size.

Pinout

The LD1117S18TR is a low dropout voltage regulator with a fixed output voltage of 1.8V. It is typically housed in a surface-mount package, such as SOT-223. The device is designed for applications requiring a regulated output with a high current capability.
Key features include:
- Pin Count: The LD1117S18TR typically has three pins:
1. Input (Vin): This pin receives the unregulated input voltage.
2. Ground (GND): This is the common ground reference for the input and output.
3. Output (Vout): This pin provides the regulated output voltage of 1.8V.

- Function: The LD1117S18TR provides a stable 1.8V output from a higher input voltage with low dropout voltage, making it suitable for powering low-voltage digital circuits. It offers high efficiency and is ideal for battery-operated devices and low-voltage microcontrollers.
This concise summary covers the essential pin configuration and function of the LD1117S18TR voltage regulator.

Manufacturer

The LD1117S18TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, and manufactures a wide range of semiconductor products. It serves various industries including automotive, industrial, personal electronics, and communications equipment. The company is known for producing microcontrollers, sensors, power management devices, and other integrated circuits. STMicroelectronics is headquartered in Geneva, Switzerland, and operates worldwide, providing solutions that enable smarter, safer, and more energy-efficient technologies.

Application

The LD1117S18TR is a low-dropout voltage regulator commonly used in applications requiring a stable and precise voltage supply. Typical application areas include powering microcontrollers, sensors, and communication devices in consumer electronics, industrial automation, and telecommunications. It is also utilized in battery-powered devices for enhanced power efficiency and in systems requiring thermal and overcurrent protections. Its compact package and reliable performance make it suitable for use in space-constrained and portable designs.

Equivalent

The LD1117S18TR is a low-dropout (LDO) linear regulator. Equivalent products include:
1. AMS1117-1.8: By Advanced Monolithic Systems, offering similar voltage regulation and output.
2. LM1117-1.8: By Texas Instruments, also provides comparable performance and specifications.
3. NCP1117-1.8: By ON Semiconductor, another option with similar output characteristics.
4. AP1117-1.8: By Diodes Incorporated, which matches many of the electrical parameters.
These alternatives should be checked for specific electrical and thermal characteristics to ensure compatibility with your application.

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