LM1117MP-3.3

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LM1117MP-3.3

+BOM

IC REG LINEAR FIXED POS LDO REG

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
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Part Status Active

概要

Description

The LM1117MP-3.3 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output from a higher input voltage source. Part of the LM1117 series, it is notably used in applications requiring a fixed voltage with relatively low input-to-output differential voltage. The device offers a dropout voltage of approximately 1.2V at 800mA of load current, making it suitable for applications with moderate current requirements.
Key features include thermal protection, short-circuit protection, and current limiting, ensuring reliability and safety in various operational conditions. The LM1117MP-3.3 is housed in a TO-252 package, which assists in dissipating heat efficiently. Its typical applications include powering microcontrollers, digital circuits, and other low-voltage digital devices in consumer electronics, communication equipment, and industrial applications.
With a maximum output current of 800mA, it is preferred in scenarios where efficient power regulation is critical. Its ease of use, combined with minimal external components, makes the LM1117MP-3.3 a popular choice for designers seeking a straightforward voltage regulation solution.

Equivalent

The LM1117MP-3.3 is a low dropout voltage regulator. Equivalent products include:
1. LD1117-3.3 from STMicroelectronics
2. AMS1117-3.3 from Advanced Monolithic Systems
3. MIC29300-3.3 from Microchip Technology
4. NCP1117-3.3 from ON Semiconductor
These alternatives offer similar output voltage and current ratings, though specific features and package types may vary. Always verify the specs against your application requirements.

Features

The LM1117MP-3.3 is a voltage regulator providing a fixed 3.3V output with the following key features:
1. Output Voltage: Fixed at 3.3V, ensuring a stable power supply for various electronic components.
2. Input Voltage Range: Typically operates with an input voltage of up to 15V.
3. Output Current: Capable of delivering up to 800mA of output current.
4. Dropout Voltage: Low dropout voltage of approximately 1.2V at full load, making it efficient in maintaining output close to the input voltage.
5. Thermal Protection: Built-in thermal shutdown feature to prevent damage from overheating.
6. Short-Circuit Protection: Safeguards against output short-circuits, enhancing reliability and safety.
7. Package Options: Available in various packages, including SOT-223, enhancing flexibility for design and integration.
8. Load Regulation: Designed to provide excellent load regulation, maintaining consistent output under varying load conditions.
9. Line Regulation: Maintains stable output voltage despite changes in input voltage.
These features make the LM1117MP-3.3 suitable for a wide range of applications requiring reliable and efficient voltage regulation.

Pinout

The LM1117MP-3.3 is a fixed-output voltage regulator with a pin count of 4. It is designed to provide a stable 3.3V output from an input of up to 15V.
Here are the pin functions:
1. Pin 1 (GND): Ground connection for the regulator. This pin is used as the reference point for the output voltage and is connected to the ground of the system.
2. Pin 2 (VOUT): Output voltage pin. This pin provides the regulated output voltage of 3.3V and should be connected to the load.
3. Pin 3 (VIN): Input voltage pin. This pin is connected to the source voltage, typically ranging from slightly above 3.3V up to 15V, depending on the regulator's dropout voltage and load conditions.
4. Pin 4 (ADJ/NC): This is typically a no-connect (NC) pin on fixed voltage variants like the LM1117MP-3.3, as they do not require an external resistor divider for setting the output voltage.
The LM1117MP-3.3 is commonly used in applications that require a reliable 3.3V power supply with moderate current requirements.

Manufacturer

The LM1117MP-3.3 is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is a global semiconductor company that designs and manufactures a broad range of electronic components and integrated circuits. Established in 1930 and headquartered in Dallas, Texas, TI is renowned for its innovation in analog and embedded processing technologies.
TI's product portfolio includes semiconductors for industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is known for its commitment to research and development, which drives its ability to deliver high-performance and reliable electronic solutions. TI serves a diverse range of industries and is a key player in the semiconductor market, focusing on areas like power management, signal processing, and microcontrollers.

Application

The LM1117MP-3.3 is a low dropout voltage regulator, commonly used in various applications that require a stable 3.3V output. Its applications include powering microcontrollers, digital circuits, and low-voltage analog circuits. It is often used in consumer electronics, networking equipment, and communication devices. Additionally, the LM1117MP-3.3 is employed in battery-powered devices for its efficient power management and low quiescent current. Its thermal protection and short-circuit protection features make it suitable for applications requiring reliable voltage regulation in compact designs.

Package

The LM1117MP-3.3 is a voltage regulator packaged in a SOT-223 package type.

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