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AMS1117CD-3.3

Name: AMS1117CD-3.3
Rating: 4.7 (12 reviews)

IC REG LINEAR 3.3V 1A TO252

Производитель
Мфр. Часть #AMS1117CD-3.3
Пакет
Лист данных AMS1117CD-3.3 DataSheet
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Спецификации

Part Status	Active
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	12V
Voltage - Output (Min/Fixed)	3.3V
Voltage Dropout (Max)	1.3V @ 1A
Current - Output	1A
Current - Quiescent (Iq)	10 mA
PSRR	75dB (120Hz)
Control Features	Current Limit
Protection Features	Over Temperature
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package	TO-252 (DPAK)

Обзор

Description

The AMS1117CD-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable 3.3V output from a higher voltage input. It can accept input voltages ranging from 4.75V to 12V, making it versatile for various applications. With a maximum output current of 1A, it is suitable for powering microcontrollers, sensors, and other low-power devices.
Key features include low dropout voltage (typically around 1.2V at full load), built-in short-circuit and thermal protection, and a low output noise level, which is beneficial for sensitive electronics. The device is available in multiple package options, including surface-mount types, facilitating easy integration into compact designs.
The AMS1117CD-3.3 is widely used in consumer electronics, automotive applications, and any circuit requiring a reliable and efficient 3.3V power source. Its combination of simplicity, efficiency, and protection features makes it a popular choice among engineers and hobbyists alike.

Features

The AMS1117CD-3.3 is a low-dropout (LDO) voltage regulator that provides a regulated output voltage of 3.3V. Key features include:
1. Input Voltage Range: Accepts input voltages from 4.75V to 12V.
2. Output Current: Capable of supplying up to 800 mA of output current.
3. Low Dropout Voltage: Typically around 1.2V at full load, enabling efficient operation with minimal voltage overhead.
4. Power Dissipation: Integrated thermal shutdown and current limiting for protection against overheating and overcurrent conditions.
5. Ease of Use: Requires only a few external capacitors for stable operation, simplifying circuit design.
6. High Accuracy: Output voltage tolerance is typically ±1%, ensuring reliable performance in various applications.
7. Package Options: Available in various packages, including SOT-223 and TO-263, suitable for space-constrained designs.
These features make the AMS1117CD-3.3 ideal for applications in embedded systems, microcontrollers, and other electronic devices requiring stable power supply.

Package

The AMS1117CD-3.3 is typically available in a TO-220 package type. This package features three pins and is designed for ease of heat dissipation, making it suitable for voltage regulation applications.

Pinout

The AMS1117CD-3.3 is a low-dropout (LDO) voltage regulator with a pin count of 5. The pin configuration and their functions are as follows:
1. Input (Vin): This pin is connected to the input voltage source, which should be higher than the desired output voltage (3.3V).
2. Output (Vout): This pin provides the regulated output voltage of 3.3V.
3. Ground (GND): This pin is connected to the circuit ground.
4. Adjust (Adj): Not used in the fixed 3.3V version; typically used for adjustable versions to set the output voltage.
5. Enable (EN): This pin can be used to enable or disable the regulator; tied to high for operation.
The AMS1117CD-3.3 is widely used in applications requiring a stable 3.3V power supply, such as microcontrollers, sensors, and other electronic circuits.

Manufacturer

The AMS1117CD-3.3 is manufactured by Texas Instruments, a leading global semiconductor company. Texas Instruments (TI) specializes in designing and manufacturing analog and embedded processing chips. The company is well-known for its wide range of products, including voltage regulators, microcontrollers, and signal processors. Founded in 1930 and headquartered in Dallas, Texas, TI serves various industries, including automotive, industrial, communications, and consumer electronics. The AMS1117 series includes low dropout (LDO) voltage regulators, and the "3.3" designation indicates its output voltage is 3.3 volts. TI is recognized for its innovation, commitment to quality, and extensive product portfolio, making it a major player in the semiconductor market.

Application

The AMS1117CD-3.3 is a low-dropout (LDO) voltage regulator primarily used in applications requiring a stable 3.3V output. Common application areas include power supply for microcontrollers, sensors, and embedded systems, as well as in communication devices, automotive electronics, and portable battery-powered devices. Its ability to handle loads up to 1A makes it suitable for various consumer electronics, including LED drivers and audio equipment.

Equivalent

Equivalent products to the AMS1117CD-3.3 include the LM1117-3.3, MIC5205-3.3, LP2950-3.3, and LD1117-3.3. These voltage regulators provide similar output specifications, primarily offering 3.3V output with a low dropout voltage. Always check specific datasheets for compatibility based on your application requirements.

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