AMS1117-5.0

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AMS1117-5.0

+Nomenclature

IC REG LINEAR 5V 1A SOT-223-3L

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Spécifications

Attribut Valeur
Series AMS1117
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 12V
Voltage - Output (Min / Fixed) 5V
Voltage Dropout (Max) 1.3V @ 1A
Current - Output 1A
Current - Quiescent (Iq) 10 mA
PSRR 75dB (120Hz)
Control Features Current Limit
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

Présentation

Description

The AMS1117-5.0 is a popular low dropout (LDO) linear voltage regulator designed to provide a stable 5V output from a higher input voltage. It is part of the AMS1117 series, which offers various fixed output voltage options. The regulator is known for its ease of use, requiring only a couple of external capacitors for stable operation. Key features include a dropout voltage of approximately 1.1V at full load, making it suitable for applications where the input voltage is slightly above the desired output voltage. It can deliver up to 1A of output current and offers thermal overload protection, current limiting, and safe area compensation. The AMS1117-5.0 is commonly used in a variety of applications, including power management for microcontrollers, battery-powered devices, and other electronic circuits requiring a reliable 5V power supply. Its compact package options and efficient performance make it a cost-effective solution for many electronic design projects.

Equivalent

Equivalent products to the AMS1117-5.0 voltage regulator include:
1. LM1117-5.0 from Texas Instruments
2. LD1117-5.0 from STMicroelectronics
3. NCP1117-5.0 from ON Semiconductor
4. MIC29302-5.0 from Microchip Technology
5. UA78M05 from Texas Instruments
These alternatives share similar output voltage, current capacity, and package options, but always confirm specific requirements and characteristics before substituting in your design.

Features

The AMS1117-5.0 is a voltage regulator designed to provide a fixed 5.0V output. Key features include:
1. Output Voltage: Fixed at 5.0V.
2. Output Current: Up to 1A, suitable for powering various electronics.
3. Low Dropout Voltage: Typically around 1.1V at full load, allowing efficient operation close to the output voltage level.
4. Line Regulation: Ensures stable output with minimal voltage fluctuation, typically 0.02%/V.
5. Load Regulation: Provides stable output despite changes in load current, typically 0.1%.
6. Protection Features: Includes overcurrent and thermal shutdown protection to prevent damage under adverse conditions.
7. Temperature Range: Operates efficiently within the range of 0°C to +125°C.
8. Package Options: Available in various packages including SOT-223, TO-252, and TO-263, making it versatile for different applications.
These features make the AMS1117-5.0 suitable for a wide range of applications, including microcontroller power supplies, battery chargers, and other electronic circuits that require stable voltage regulation.

Pinout

The AMS1117-5.0 is a low dropout voltage regulator with a fixed output voltage of 5.0 volts. It typically comes in a 3-pin package. Here are the pin functions:
1. Pin 1 (Adjust/Ground): In the fixed voltage variant like the AMS1117-5.0, this pin is connected to ground. For the adjustable version, it is used to set the output voltage.
2. Pin 2 (Output): This pin provides the regulated output voltage, which is 5.0 volts for the AMS1117-5.0 variant.
3. Pin 3 (Input): This is the input pin, where a higher unregulated voltage is supplied. The input voltage must be higher than the desired output voltage (at least 1.3V above).
The AMS1117-5.0 is commonly used in various electronic circuits to provide a stable 5.0V output from a higher voltage source, ensuring efficient and reliable operation of components requiring a 5V supply.

Manufacturer

The AMS1117-5.0 is a low dropout (LDO) linear voltage regulator. It is manufactured by multiple companies, as it is a widely used component available from various semiconductor manufacturers. One of the original manufacturers is Advanced Monolithic Systems (AMS), which specializes in designing and producing analog and mixed-signal integrated circuits. However, due to its popularity, many other companies also produce compatible versions or clones of the AMS1117 series, including major semiconductor companies such as STMicroelectronics, Texas Instruments, and ON Semiconductor, among others.
These companies operate in the electronics and semiconductor industry, focusing on developing, manufacturing, and supplying a wide range of semiconductor devices used in various applications, from consumer electronics to industrial systems. Their offerings usually include products like power management solutions, microcontrollers, sensors, and other components essential for electronic device functionality. The AMS1117-5.0 itself is often used in applications requiring a stable 5V output from a higher input voltage, making it a common choice in power supply circuits for embedded systems and other electronic projects.

Application

The AMS1117-5.0 is a voltage regulator with a fixed 5V output, commonly used in various applications. It is ideal for powering microcontrollers, sensors, and other digital circuits that require a stable 5V supply. Its compact SMD package makes it suitable for space-constrained designs. It is used in consumer electronics, embedded systems, and communication devices. It also finds application in battery-powered devices due to its relatively low dropout voltage and efficient performance. Additionally, it's employed in power management systems for providing reliable voltage regulation in industrial and automotive electronics.

Package

The AMS1117-5.0 is a voltage regulator available in various package types, commonly including the SOT-223, TO-252 (DPAK), and SOT-89 packages. These packages are designed for surface-mount technology (SMT) and through-hole mounting, offering compact solutions for voltage regulation applications.

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