LM1117SX-3.3

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LM1117SX-3.3

+Nomenclature

  • FabricantTexas Instruments

  • Pièce fabricant #LM1117SX-3.3

  • Package D2PAK-3

  • En stock7347

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Spécifications

Attribut Valeur
Series LM1117
Packaging Reel
Brand Texas Instruments
Product Type LDO Voltage Regulators
Factory Pack Quantity 500
Subcategory PMIC - Power Management ICs
Minimum Operating Temperature 0 C
Maximum Operating Temperature + 125 C
Output Voltage 3.3 V
Load Regulation 1 mV
Current - Output 800 mA
Number of Outputs 1 Output
Input Voltage - Max 15 V
Ib - Input Bias Current 5 mA
Polarity Positive
Current - Quiescent (Iq) 10 mA
Output Type Fixed
Dropout Voltage 1.2 V
Voltage Dropout (Max) 1.2 V at 100 mA, 1.25 V at 500 mA, 1.3 V at 800 mA
Line Regulation 1 mV
Mounting Type SMD/SMT
Unit Weight 2 g
Voltage Regulation Accuracy 1 %
Delivery Restrictions Mouser does not sell this product in your region.
Package / Case D2PAK-3 (TO-263-3)

Présentation

Description

The LM1117SX-3.3 is a low dropout (LDO) voltage regulator designed to provide a stable output voltage of 3.3V with an input voltage range of 4.75V to 15V. It can supply up to 800mA of output current while maintaining high efficiency. This regulator features a low dropout voltage, typically around 1.2V at full load, making it suitable for battery-powered applications where efficiency is crucial.
The LM1117SX-3.3 includes built-in overcurrent protection and thermal shutdown capabilities, ensuring reliable operation and protection against faults. It is available in several package types, including TO-220 and SOT-223, facilitating easy integration into various electronic designs.
Common applications include microcontroller power supply, portable devices, and telecommunications equipment. The regulator requires minimal external components, typically just a couple of capacitors for stability. Its simplicity, performance, and reliability make the LM1117SX-3.3 a popular choice for designers seeking an efficient and easy-to-use voltage regulation solution.

Equivalent

Equivalent products to the LM1117SX-3.3 include the AMS1117-3.3, MCP1700-3302E, and MIC5205-3.3. These voltage regulators provide similar output voltage and current specifications, making them suitable alternatives in applications requiring 3.3V output. Always verify datasheets for specific electrical characteristics and pin configurations before substituting components.

Features

The LM1117SX-3.3 is a low-dropout (LDO) voltage regulator that provides a fixed output voltage of 3.3V. Key features include:
1. Input Voltage Range: Typically 4.75V to 20V, allowing flexibility in various applications.
2. Output Current: Capable of supplying up to 800mA of continuous output current.
3. Low Dropout Voltage: With a dropout voltage of approximately 1.2V at full load, it is efficient for battery-powered devices.
4. Thermal Protection: Features built-in thermal shutdown and current limiting to prevent damage under fault conditions.
5. Compact Package: Available in surface-mount and TO-220 packages, suitable for space-constrained designs.
6. Stable Operation: Requires only a small output capacitor (typically 10µF) for stability.
7. Wide Operating Temperature: Designed to operate effectively across a wide temperature range, ensuring reliability.
These features make the LM1117SX-3.3 ideal for various applications, including consumer electronics, power management, and embedded systems.

Pinout

The LM1117SX-3.3 is a low-dropout voltage regulator (LDO) with a pin count of 3. Its primary function is to provide a stable output voltage of 3.3V from a higher input voltage.
Pin Configuration:
1. Input (Vin): This pin is connected to the input power supply. It accepts a voltage range typically from 4.75V to 15V.
2. Output (Vout): This pin provides the regulated output voltage of 3.3V.
3. Ground (GND): This pin is connected to the ground reference of the circuit.
The LM1117 is widely used in various applications where a stable voltage is crucial, including microcontrollers, sensors, and other electronic devices. Its low dropout voltage enables it to operate efficiently even with minimal voltage difference between the input and output.

Manufacturer

The LM1117SX-3.3 is manufactured by Texas Instruments (TI), a prominent technology company based in the United States. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits (ICs), including analog and embedded processing products. The company serves a diverse range of industries, including automotive, industrial, communications, and consumer electronics. TI is recognized for its innovation in analog technology and embedded systems, providing solutions that enhance the performance and efficiency of electronic devices. The LM1117 series is a low-dropout (LDO) linear voltage regulator, with the LM1117SX-3.3 specifically providing a regulated output of 3.3V, making it widely used in various electronic applications for power management.

Application

The LM1117SX-3.3 is a low-dropout voltage regulator that provides a fixed output of 3.3V. It is commonly used in applications such as:
1. Power management for microcontrollers and microprocessors.
2. Power supply for sensors and communication devices.
3. Regulating voltage in embedded systems.
4. Supplying power to portable electronic devices.
5. Providing a stable voltage source for battery-powered applications.
6. Supporting analog and digital circuits that require 3.3V.
Its versatility makes it suitable for consumer electronics, automotive systems, and industrial applications.

Package

The LM1117SX-3.3 is typically available in a TO-220 package type. This package is designed for efficient heat dissipation and is commonly used in voltage regulator applications.

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