AMS1117-2.5

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AMS1117-2.5

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IC REG LINEAR 2.5V 1A SOT-223-3L

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Attribut Wert
Series AMS1117
PartStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 12V
Voltage-Output(Min/Fixed) 2.5V
VoltageDropout(Max) 1.3V @ 1A
Current-Output 1A
Current-Quiescent(Iq) 10 mA
PSRR 75dB (120Hz)
ControlFeatures Current Limit
ProtectionFeatures Over Current, 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 AMS1117-2.5 is a low dropout voltage regulator specifically designed for applications requiring a fixed 2.5V output. It is part of the AMS1117 series, known for its ability to provide a stable output voltage from a higher input voltage, with low dropout performance. This makes it suitable for powering low-voltage digital circuits and microprocessors. The AMS1117-2.5 can deliver up to 1A of output current and features a low dropout voltage of around 1.1V at full load.
Key features include thermal overload protection, short circuit protection, and a built-in current limit, ensuring reliable performance and longevity. It is available in various package types, including SOT-223, making it easy to integrate into compact circuit designs. With a typical load regulation of 0.2% and a line regulation of 0.04%, the AMS1117-2.5 offers precise voltage regulation, essential for sensitive electronics. It is widely used in consumer electronics, communication devices, and other embedded systems requiring a stable and efficient power supply.

Equivalent

The AMS1117-2.5 is a low-dropout linear voltage regulator that provides a fixed output voltage of 2.5V. Equivalent products include:
1. LD1117-2.5 by STMicroelectronics
2. LM1117-2.5 by Texas Instruments
3. NCP1117-2.5 by ON Semiconductor
4. AP1117-2.5 by Diodes Incorporated
These alternatives offer similar performance characteristics in terms of voltage regulation, current capacity, and dropout voltage. Always verify the specific datasheets for detailed parameter matching.

Features

The AMS1117-2.5 is a low dropout (LDO) voltage regulator designed to provide a fixed output voltage of 2.5V. Key features include:
1. Output Voltage: It delivers a steady 2.5V output.
2. Dropout Voltage: The typical dropout voltage is about 1.1V at full load, allowing for efficient operation with minimal input-output voltage differentials.
3. Output Current: It can supply up to 1A of output current.
4. Thermal Protection: The regulator includes built-in protection against overheating, protecting the device in case of excessive power dissipation.
5. Short-Circuit Protection: It features short-circuit current limiting to safeguard against abnormal operating conditions.
6. Input Voltage Range: The device operates with input voltages up to 15V.
7. Low Quiescent Current: It has a low quiescent current, improving efficiency.
These features make the AMS1117-2.5 suitable for a variety of applications, including voltage regulation in embedded systems, communication devices, and consumer electronics. Its compact SOT-223 package allows for easy integration into space-constrained designs.

Pinout

The AMS1117-2.5 is a voltage regulator IC with a 3-pin configuration. The pin count and functions are as follows:
1. Pin 1 (ADJ/GND): This pin is used as an adjustment pin for the variable version of the AMS1117 series. However, in the fixed-voltage version like the AMS1117-2.5, it functions as the ground pin.
2. Pin 2 (Vout): This pin is the output pin. For the AMS1117-2.5, it provides a regulated output voltage of 2.5 volts.
3. Pin 3 (Vin): This pin is the input pin where an unregulated input voltage is supplied. The input voltage must be higher than the desired output voltage for proper regulation.
The AMS1117-2.5 is commonly used in electronic projects and circuits requiring a stable 2.5V output, with a maximum current capacity of approximately 1A. It is designed to provide a stable output with low dropout voltage, making it suitable for battery-powered devices and applications requiring efficient power regulation.

Manufacturer

The AMS1117-2.5 is a voltage regulator typically manufactured by multiple semiconductor companies, including Advanced Monolithic Systems (AMS). AMS is known for designing and producing analog integrated circuits, particularly those used in voltage regulation and power management applications. The company specializes in the development of high-performance analog and mixed-signal components that are crucial in various electronics applications. Products like the AMS1117 series are used in numerous electronic devices for stable voltage supply, ensuring consistent operation of circuits. Additionally, other manufacturers and suppliers might produce similar or compatible versions of this component, as it is a common voltage regulator used across the electronics industry.

Application

The AMS1117-2.5 is a low dropout voltage regulator that provides a fixed 2.5V output. It is commonly used in a variety of applications, including:
1. Power Supply for Microcontrollers: Provides a stable 2.5V for microcontroller operations.
2. Consumer Electronics: Used in devices like set-top boxes, DVD players, and other home electronics.
3. Networking Equipment: Powers components in routers and network switches.
4. Battery-Powered Devices: Extends battery life by efficiently managing power supply.
5. Communication Devices: Powers circuits in mobile phones and radios.
6. Industrial Equipment: Provides regulated power in sensors and control systems.
These applications benefit from the AMS1117-2.5’s efficiency, compact size, and ease of use.

Package

The AMS1117-2.5 is typically available in the SOT-223 package. This package type is a small, surface-mounted format commonly used for low-dropout (LDO) voltage regulators like the AMS1117 series. It features three pins and a metal tab for heat dissipation, making it suitable for compact and efficient electronics designs.

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