AMS1117CD-3.3

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AMS1117CD-3.3

+Nomenclature

IC REG LINEAR 3.3V 1A TO252

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Spécifications

Attribut Valeur
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)

Présentation

Description

The AMS1117CD-3.3 is a low dropout (LDO) voltage regulator designed to provide a stable 3.3V output from a higher input voltage. It is part of the AMS1117 series, known for its compact SOT-223 package, making it ideal for space-constrained applications. With a dropout voltage of approximately 1.1V at full load, this regulator efficiently powers circuits requiring a steady 3.3V supply.
Key features include a maximum output current of 1A, thermal and current limiting to prevent damage during overcurrent or overheating conditions, and a typical output voltage tolerance of ±1%. This makes it suitable for a variety of applications, including powering microcontrollers, sensors, and other digital logic circuits.
The AMS1117CD-3.3 is valued for its ease of use, requiring only a few external capacitors for stability and minimal additional components. Its reliability and performance make it popular in consumer electronics, telecommunications, and industrial applications where a consistent 3.3V output is necessary.

Equivalent

The AMS1117CD-3.3 is a low dropout (LDO) voltage regulator with a fixed 3.3V output. Equivalent products include the LD1117V33 from STMicroelectronics, LM1117-3.3 from Texas Instruments, and MIC29300-3.3WT from Microchip Technology. All these regulators provide similar LDO functionalities with 3.3V output. Always check the datasheets for electrical characteristics and pin compatibility before substituting.

Features

The AMS1117CD-3.3 is a low-dropout linear voltage regulator designed to provide a stable 3.3V output from a higher input voltage source. Key features include:
1. Output Voltage: Fixed at 3.3V.
2. Input Voltage Range: Typically 4.5V to 15V, providing flexibility with input sources.
3. Dropout Voltage: Approximately 1.3V at full load, allowing for efficient voltage regulation close to the output voltage.
4. Output Current: Capable of delivering up to 1A, suitable for various low-power applications.
5. Thermal Protection: Includes built-in over-temperature protection to prevent damage due to overheating.
6. Current Limiting: Provides protection against overcurrent conditions.
7. Low Quiescent Current: Ensures minimal power consumption when the load is disconnected.
8. Packaging: Available in various packages, including SOT-223, TO-252, etc., for versatile mounting and use.
9. Stability: Requires external capacitors for stability but provides smooth and reliable performance.
10. Applications: Widely used in telecommunications, computers, and industrial systems for power regulation.
These features make the AMS1117CD-3.3 a reliable choice for ensuring a consistent power supply in electronic circuits.

Pinout

The AMS1117CD-3.3 is a low-dropout linear voltage regulator with a fixed output voltage of 3.3V. It commonly comes in a SOT-223 package and has three pins:
1. Vin (Input): This pin receives the input voltage, which should be higher than the desired output voltage by at least the dropout voltage to ensure proper regulation.
2. Vout (Output): This pin provides the regulated 3.3V output to the load.
3. GND (Ground): This pin serves as the ground reference for both input and output voltages.
The device is designed to supply up to 1A of output current with a typical dropout voltage of around 1.1V at maximum load. It is suitable for applications requiring a stable 3.3V power source, such as microcontrollers, sensors, and other low-power devices. Proper capacitor selection at the input and output is recommended to ensure stability and performance.

Manufacturer

The AMS1117CD-3.3 is a voltage regulator manufactured by Advanced Monolithic Systems (AMS). AMS is a company that specializes in designing and producing analog integrated circuits, with a focus on voltage regulators, power management products, and other analog components. These products are widely used in various electronic applications for stabilizing voltage levels and ensuring the proper functionality of electronic devices. AMS's components cater to industries such as consumer electronics, telecommunications, computing, and industrial applications.

Application

The AMS1117CD-3.3 is a low dropout voltage regulator, primarily used in applications that require a stable 3.3V power supply. Its typical applications include powering microcontrollers, microprocessors, and digital logic circuits in consumer electronics, embedded systems, and communication devices. It is also used in battery-powered devices, networking equipment, and sensors due to its efficiency and low dropout voltage. Additionally, it's suitable for use in industrial automation systems and for providing auxiliary power in larger electronic systems. Its compact design and thermal protection features make it ideal for space-constrained applications.

Package

The AMS1117CD-3.3 is typically available in a SOT-223 package type. This package is a three-lead surface-mount device often used for voltage regulators, offering efficient thermal performance and compact size suitable for various electronic applications.

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