AMS1085CM-3.3

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AMS1085CM-3.3

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Thông số kỹ thuật

Manufacturer Advanced Monolithic Systems
Package TO-263-3
Operating Temperature -40℃~+125℃
Voltage - Supply 12V
Output Type Fixed
Number of Outputs 1
Output Current 3A
Voltage Dropout 1.2V@(3A)
Power Supply Rejection Ratio (PSRR) 72dB@(120Hz)
Features Overcurrent Protection
Output Voltage 3.3V
Output Configuration Positive electrode
standby current 5mA

Tổng quan

Description

The AMS1085CM-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable 3.3V output with a maximum output current of 1A. It features high precision with a typical output voltage tolerance of ±1%, making it suitable for various applications in consumer electronics, telecommunications, and industrial devices.
The device operates with a dropout voltage typically around 1.1V at full load, allowing for efficient voltage regulation even with minimal supply headroom. The AMS1085CM-3.3 includes built-in protection features such as thermal shutdown and current limiting, enhancing its reliability in various operating conditions.
This LDO is offered in a TO-220 package, facilitating easy integration into circuits. Its low noise operation and fast transient response make it ideal for powering sensitive analog and digital components. Overall, the AMS1085CM-3.3 is a versatile choice for applications requiring a compact, efficient, and reliable voltage regulation solution.

Features

The AMS1085CM-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 3.3V. Key features include:
1. Input Voltage Range: Supports input voltages from 4.75V to 15V.
2. Output Current: Capable of delivering up to 1.5A of output current.
3. Low Dropout Voltage: Typically around 1.1V at full load, allowing for efficient operation even with lower input voltages.
4. Low Quiescent Current: Minimizes power consumption when idle, enhancing efficiency.
5. Thermal Shutdown Protection: Prevents damage due to overheating, ensuring safe operation.
6. Current Limit Protection: Safeguards against output overloads by limiting the output current.
7. Built-in Capacitor Stability: Compatible with both ceramic and tantalum capacitors, simplifying design requirements.
8. TO-220 Package: Available in a robust TO-220 package for effective heat dissipation.
These features make the AMS1085CM-3.3 suitable for various applications, including portable devices and embedded systems.

Package

The AMS1085CM-3.3 is packaged in a TO-263 form factor, which is a surface-mount package. It features a thermal pad for enhanced heat dissipation and is commonly used in applications requiring low-dropout voltage regulation.

Pinout

The AMS1085CM-3.3 is a low-dropout (LDO) voltage regulator with a pin count of 3.
Pin Functions:
1. Input (Pin 1): This pin is connected to the input voltage source. It should be higher than the desired output voltage by at least the dropout voltage.

2. Ground (Pin 2): This pin is connected to the ground of the circuit.
3. Output (Pin 3): This pin provides the regulated output voltage, which in the case of AMS1085CM-3.3 is fixed at 3.3V.
The AMS1085CM-3.3 is designed to deliver up to 1A of output current and typically features low dropout operation, making it suitable for various applications requiring stable 3.3V power supply.

Manufacturer

The AMS1085CM-3.3 is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930, Texas Instruments designs and produces a wide range of analog and digital semiconductor solutions, including integrated circuits (ICs), processors, and sensors. The company serves various markets, including automotive, industrial, personal electronics, and communications, providing innovative technology that enhances performance and efficiency in electronic devices. TI is known for its commitment to research and development, continually advancing its product offerings to meet the evolving needs of its customers.

Application

The AMS1085CM-3.3 is a low-dropout (LDO) voltage regulator primarily used in applications requiring stable 3.3V power supply. It is commonly employed in consumer electronics, telecommunications, and computer systems. Additional applications include powering microcontrollers, sensors, and other embedded systems, as well as in battery-powered devices where efficiency is critical. Its ability to provide high output current with minimal heat generation makes it suitable for compact designs.

Equivalent

Equivalent products to the AMS1085CM-3.3 include:
1. LM1085-3.3 (Texas Instruments)
2. LT1085-3.3 (Analog Devices)
3. MIC1085-3.3 (Microchip)
4. LDO1085-3.3 (Multiple manufacturers)
These alternatives provide similar specifications and output voltage regulation. Always verify pin configuration and thermal characteristics before substitution.

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