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LT1117IST-3.3

Name: LT1117IST-3.3
Rating: 4.7 (12 reviews)

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

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Mfr。パート #LT1117IST-3.3
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データシート LT1117IST-3.3 DataSheet
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仕様

概要

Description

The LT1117IST-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 3.3V. It is part of the LT1117 series, known for its high performance and efficiency. The device features a maximum output current of 1A and operates over an input voltage range of 4V to 15V, making it suitable for various applications, including microcontrollers and digital signal processors.
Key features include low dropout voltage (typically 1.2V at 1A), thermal shutdown, and current limiting for protection against overcurrent conditions. Its compact SOT-223 package allows for easy integration into space-constrained designs. The LT1117IST-3.3 also offers excellent transient response and low output noise, enhancing performance in sensitive applications.
Overall, the LT1117IST-3.3 is ideal for powering devices that require a reliable and regulated 3.3V supply, making it a popular choice in battery-operated and portable equipment.

Features

The LT1117IST-3.3 is a low dropout (LDO) voltage regulator from Analog Devices with the following key features:
1. Output Voltage: Fixed output voltage of 3.3V.
2. Dropout Voltage: Low dropout voltage, typically around 1.2V at 800mA load current.
3. Output Current: Capable of supplying up to 800mA of output current.
4. Efficiency: High efficiency due to low dropout and minimal quiescent current.
5. Thermal Protection: Integrated thermal shutdown and current limiting for safety.
6. Wide Input Voltage Range: Operates with input voltages from 4.0V to 12V.
7. Package Type: Available in a compact SOT-223 package, suitable for space-constrained applications.
8. Stability: Requires only 10µF output capacitor for stability.
9. Noise Performance: Low output noise, making it suitable for sensitive analog applications.
These features make the LT1117IST-3.3 ideal for powering microcontrollers, sensors, and other low-voltage devices in various electronic applications.

Package

The LT1117IST-3.3 is packaged in a SOT-223 (Surface-Mount) package type. This compact package is designed for efficient thermal performance and is commonly used in various electronic applications.

Pinout

The LT1117IST-3.3 is a low dropout voltage regulator with a pin count of 3.
Pin functions are as follows:
1. Input (Pin 1): This pin connects to the input voltage supply (typically up to 15V).
2. Output (Pin 2): This pin provides a regulated output voltage of 3.3V.
3. Ground (Pin 3): This pin is the ground reference for the device.
The LT1117IST-3.3 is designed to deliver up to 800mA of load current with a low dropout voltage, making it suitable for various applications where stable voltage regulation is required.

Manufacturer

The LT1117IST-3.3 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is known for its innovation in various sectors, including communications, automotive, industrial, and consumer electronics. The LT1117 series, which includes the LT1117IST-3.3, is a low-dropout (LDO) voltage regulator designed for use in applications requiring a stable output voltage with low noise and high efficiency. Analog Devices focuses on providing high-quality and reliable semiconductor solutions to enhance signal processing and data conversion in electronic devices.

Application

The LT1117IST-3.3 is a low-dropout (LDO) voltage regulator commonly used in applications such as power supply circuits for microcontrollers, digital signal processors, and other analog devices. It provides a stable output of 3.3V and is suitable for battery-powered devices, portable electronics, and telecommunications equipment, where low noise and efficient power management are essential. Its compact size and thermal performance make it ideal for space-constrained environments.

Equivalent

Equivalent products to the LT1117IST-3.3 include the LM1117-3.3, MCP1825S-3302E, and MIC5205-3.3. These are low-dropout (LDO) linear voltage regulators with similar voltage output and specifications, suitable for various applications. Always consult datasheets for precise compatibility and performance characteristics.