AMS1117-1.2

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AMS1117-1.2

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IC REG LINEAR 1.2V 1A SOT-223-3L

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Spezifikationen

Attribut Wert
PartStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 12V
Voltage-Output(Min/Fixed) 1.2V
VoltageDropout(Max) 1.3V @ 1A
Current-Output 1A
Current-Quiescent(Iq) 10 mA
PSRR 75dB (120Hz)
ControlFeatures Current Limit
ProtectionFeatures Over Temperature
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case TO-261-4, TO-261AA
SupplierDevicePackage SOT-223-3L

Übersicht

Description

The AMS1117-1.2 is a low dropout (LDO) linear voltage regulator designed to provide a stable 1.2V output from a higher voltage input, typically ranging from 3.3V to 15V. It is part of the AMS1117 series, which includes various fixed and adjustable output regulators. This specific model is suited for applications requiring a 1.2V power supply with a maximum output current of 1A.
Key features of the AMS1117-1.2 include a low dropout voltage of approximately 1.3V at full load, making it efficient for use in low-voltage applications. It also features built-in current limiting, thermal shutdown, and safe area compensation to ensure safe operation under various conditions. The device is commonly available in SOT-223 and TO-252 packages, making it ideal for space-constrained applications such as battery-powered devices, portable electronics, and embedded systems.
Overall, the AMS1117-1.2 is valued for its simplicity, reliability, and ease of use in providing a regulated 1.2V output in various electronic applications.

Equivalent

Equivalent products to the AMS1117-1.2 voltage regulator include the LM1117-1.2, LD1117-1.2, TLV1117-1.2, and NCP1117-1.2. These are all low dropout (LDO) voltage regulators with similar specifications, providing a fixed 1.2V output and compatible pin configurations. When selecting an equivalent, ensure the package type, output current, and thermal characteristics match your requirements.

Features

The AMS1117-1.2 is a low dropout voltage regulator that provides a fixed output voltage of 1.2 volts. Some key features include:
1. Low Dropout Voltage: Typically 1.1V at 1A load current, allowing efficient operation in battery-powered and low-voltage applications.
2. Output Current: Capable of delivering up to 1A of output current.
3. Stability: Requires only a small 10µF ceramic capacitor for stability, simplifying circuit design.
4. Protection: Includes built-in protection features such as current limiting and thermal shutdown, which protect the IC from damage due to overcurrent and overheating.
5. Package Options: Available in various package options, including SOT-223, TO-252, and SOIC-8, for flexibility in different applications.
6. Line Regulation: Excellent line regulation (typically 0.2%/V) ensures stable output despite variations in input voltage.
7. Application: Suitable for use in a variety of applications, including power supplies for microcontrollers, battery-powered devices, and other low-voltage systems.
These features make the AMS1117-1.2 a versatile and reliable component for voltage regulation needs.

Pinout

The AMS1117-1.2 is a low-dropout linear voltage regulator with a fixed output voltage of 1.2V. It is commonly used for voltage regulation in electronic circuits. The typical pin count for the AMS1117 series in the SOT-223 package is three pins:
1. VIN (Input Voltage): This pin is where the input voltage is supplied. It typically requires an input voltage higher than the desired output voltage by at least the dropout voltage.
2. GND (Ground): This pin is the ground connection and serves as the reference point for the input and output voltages.
3. VOUT (Output Voltage): This pin provides the regulated output voltage of 1.2V.
The AMS1117-1.2 is designed to provide a stable output with a dropout voltage of approximately 1.1V at full load, making it suitable for applications requiring a 1.2V power supply from a higher voltage source. It is typically used in post-regulation and voltage step-down applications.

Manufacturer

The AMS1117-1.2 is a voltage regulator manufactured by Advanced Monolithic Systems (AMS). AMS is a company that specializes in designing and producing integrated circuits, particularly in the area of power management solutions. They focus on providing high-performance analog and mixed-signal semiconductor products that are commonly used in a wide range of electronic applications, including consumer electronics, industrial equipment, and communication devices. Their products, like the AMS1117-1.2, are known for reliability and efficiency in regulating voltage levels, which is essential for various electronic circuit operations.

Application

The AMS1117-1.2 is a low dropout voltage regulator with a fixed output of 1.2V, used in applications requiring precise voltage regulation. Key application areas include microcontroller and microprocessor power supplies, battery-powered devices, and portable electronics, such as smartphones and tablets. It is also used in communication devices, instrumentation, and embedded systems for voltage regulation. Its low dropout voltage and high current capability make it suitable for powering digital circuits, sensors, and other components in IoT devices, consumer electronics, and automotive systems. Additionally, it can be used in networking equipment like routers and switches where stable voltage supply is critical.

Package

The AMS1117-1.2 is typically available in a SOT-223 package, which is a surface-mount package used for small power devices. It provides good thermal performance and is suitable for applications requiring a low dropout voltage regulator.

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