LM1117GS-3.3

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LM1117GS-3.3

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IC REG LINEAR 3.3V 1A SOT-223-3L

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Attribut Wert
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 20V
Voltage - Output (Min / Fixed) 3.3V
Voltage Dropout (Max) 1.3V @ 1A
Current - Output 1A
Current - Quiescent (Iq) 10 mA
PSRR 75dB (120Hz)
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case TO-261-4, TO-261AA
Supplier Device Package SOT-223-3L

Übersicht

Description

The LM1117GS-3.3 is a voltage regulator from the LM1117 series, specifically designed to provide a stable 3.3V output. It is a low-dropout (LDO) regulator, meaning it can maintain its output voltage with a small difference between the input and output voltages, typically 1.1V at 800mA of load current. This characteristic makes it suitable for applications where efficiency and minimal power loss are crucial.
The LM1117GS-3.3 is capable of delivering up to 800mA of output current, making it suitable for powering various electronic devices and circuits. It features internal current limiting, thermal shutdown, and safe area protection, enhancing its reliability and safety in different operating conditions.
The device is available in a SOT-223 package, which is compact and supports surface-mount technology for space-saving PCB designs. Its easy-to-use design, requiring only a couple of external capacitors, makes it ideal for a wide range of applications, including microcontroller boards, battery-powered devices, and any system requiring a stable 3.3V power supply.

Equivalent

The LM1117GS-3.3 is a low-dropout (LDO) voltage regulator with a 3.3V output. Equivalent products include:
1. AMS1117-3.3 by Advanced Monolithic Systems
2. LD1117-3.3 by STMicroelectronics
3. TLV1117-33 by Texas Instruments
4. NCP1117-3.3 by ON Semiconductor
5. MIC29300-3.3 by Microchip Technology
These alternatives offer similar functionality, but always check datasheets for compatibility in terms of pin configuration and electrical characteristics.

Features

The LM1117GS-3.3 is a low dropout voltage regulator designed for providing a stable 3.3V output. Key features include:
1. Low Dropout Voltage: It operates with a dropout voltage of approximately 1.2V at full load, enabling efficient performance close to the input voltage.
2. Output Current: Capable of delivering up to 800mA of output current, suitable for powering various electronic components and circuits.
3. Stability: Requires only a 10μF ceramic or tantalum output capacitor for stability, making it easy to integrate into designs.
4. Thermal Protection: Incorporates thermal shutdown to prevent overheating, ensuring reliability and protection under high temperature or overload conditions.
5. Current Limiting: Built-in current limiting offers protection against short circuit scenarios.
6. Package Options: Available in SOT-223, TO-220, and TO-252 packages, providing flexibility for different application requirements.
7. Line and Load Regulation: Features good line and load regulation, maintaining a stable output despite variations in input voltage and load current.
These features make the LM1117GS-3.3 suitable for applications requiring reliable and efficient voltage regulation in compact spaces.

Pinout

The LM1117GS-3.3 is a low-dropout voltage regulator with a fixed output voltage of 3.3V. It typically comes in a surface-mount SOT-223 package with three pins. Here is the pin configuration and function:
1. Pin 1 (Adj/GND): For the fixed voltage version like the LM1117GS-3.3, this pin serves as the Ground (GND) connection.
2. Pin 2 (Output): This pin provides the regulated output voltage of 3.3V.
3. Pin 3 (Input): This pin is where the unregulated input voltage is supplied.
In summary, the LM1117GS-3.3 is a three-pin voltage regulator, designed to provide a stable 3.3V output with a simple pin configuration suitable for various electronic applications.

Manufacturer

The LM1117GS-3.3 is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is known for its broad range of products used in electronics, including analog chips and embedded processors, which are essential components in various applications like automotive, industrial, consumer electronics, and communications equipment. TI is a major player in the global semiconductor industry, focusing on innovation and quality in its product offerings.

Application

The LM1117GS-3.3 is a low-dropout voltage regulator designed for applications requiring a stable 3.3V output. Its application areas include:
1. Consumer Electronics: Used in devices like smartphones and tablets for voltage regulation.
2. Networking Equipment: Powers components in routers and switches.
3. Embedded Systems: Provides stable voltage for microcontrollers and processors.
4. Industrial Automation: Supplies consistent power for sensors and control systems.
5. Telecommunications: Ensures reliable performance in communication devices.
6. Power Management: Employed in battery-powered devices for efficient power usage.
Its low dropout voltage and fast transient response make it ideal for systems requiring efficient power management.

Package

The LM1117GS-3.3 is a surface-mount, low-dropout voltage regulator in a SOT-223 package. It is designed to provide a 3.3V output with a maximum output current of 800mA.

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