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LT1117IST-5

Name: LT1117IST-5
Rating: 4.7 (12 reviews)

LDO Voltage Regulators LT1117 - 800mA Low Dropout Positive Regulators Adjustable and Fixed 2.85V,3.3V, 5V

Производитель
Мфр. Часть #LT1117IST-5
Пакет
Лист данных LT1117IST-5 DataSheet
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Спецификации

Обзор

Description

The LT1117IST-5 is a low dropout (LDO) linear voltage regulator manufactured by Analog Devices. It is designed to provide a stable output voltage of 5V with a maximum output current of 1A. The device features a low dropout voltage (typically around 1.2V), which allows it to operate efficiently even when the input voltage is close to the output voltage.
Key specifications include a maximum input voltage of 15V, a wide operating temperature range from -40°C to +125°C, and low quiescent current for enhanced efficiency. The LT1117IST-5 also incorporates protection features such as thermal overload and short-circuit protection, ensuring reliable operation in various applications.
Common applications include powering microcontrollers, sensors, and other electronic devices that require a stable voltage supply. Its small size and ease of use make it suitable for space-constrained designs. Overall, the LT1117IST-5 is a versatile and reliable choice for designers seeking efficient voltage regulation solutions.

Features

The LT1117IST-5 is a low dropout (LDO) voltage regulator designed to provide a stable output voltage of 5V. Key features include:
1. Output Current: Supports up to 1A output current.
2. Dropout Voltage: Low dropout voltage of 1.2V at full load, allowing efficient operation with minimal input-output voltage difference.
3. Thermal Regulation: Built-in thermal protection to prevent damage under excessive temperature.
4. Low Noise: Features low output noise, making it suitable for sensitive applications.
5. Wide Input Voltage Range: Accepts input voltages from 4.75V to 15V, enhancing flexibility in various applications.
6. Package Type: Available in a compact SO-8 package, facilitating space-constrained designs.
7. Power Supply Rejection Ratio (PSRR): High PSRR performance helps maintain stable output under varying input conditions.
This LDO is ideal for use in battery-powered devices and applications requiring low noise and low voltage dropout.

Package

The LT1117IST-5 is packaged in a SOT-223 (Small Outline Transistor) package type. This surface-mount package is designed for efficient thermal performance and is typically used in voltage regulation applications.

Pinout

The LT1117IST-5 is a low dropout (LDO) linear voltage regulator with a pin count of 3. The functions of its pins are as follows:
1. Input (Vin): This pin is connected to the input voltage source. It receives the supply voltage that will be regulated.
2. Output (Vout): This pin delivers the regulated output voltage, which is fixed at 5V for the LT1117IST-5 model.
3. Ground (GND): This pin serves as the common ground reference for the device.
The LT1117IST-5 is designed to provide a stable 5V output with low dropout voltage, making it suitable for applications requiring efficient voltage regulation from higher input voltages.

Manufacturer

The LT1117IST-5 is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a prominent American multinational semiconductor company that specializes in the design and manufacture of a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company primarily serves various industries, including telecommunications, automotive, industrial automation, and consumer electronics. They are known for their high-performance signal processing solutions, precision data converters, and amplifiers. The LT1117IST-5 is a low-dropout voltage regulator, highlighting ADI's focus on providing efficient power management solutions for electronic systems.

Application

The LT1117IST-5 is a low dropout linear voltage regulator commonly used in applications requiring precise voltage regulation. Its primary areas include power supply circuits for microcontrollers, DSPs, and other digital devices, battery-powered equipment, and portable electronics. It is also suitable for use in automotive applications, telecommunications, and industrial control systems, providing stable output voltage with low noise, making it ideal for sensitive electronic components.

Equivalent

Equivalent products to the LT1117IST-5 voltage regulator include the LM1117-5.0, MCP1700-5002E, and AMS1117-5.0. These alternatives provide similar output voltage (5V), current capability, and package options. Always verify specifications such as dropout voltage, thermal performance, and pin configuration when selecting an equivalent.

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