LD1117S33CTR

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LD1117S33CTR

+Nomenclature

IC REG LINEAR 3.3V 800MA SOT223

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Spécifications

Attribut Valeur
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 15V
Voltage - Output (Min/Fixed) 3.3V
Voltage Dropout (Max) 1.3V @ 800mA
Current - Output 800mA
Current - Quiescent (Iq) 10 mA
PSRR 75dB (120Hz)
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount

Présentation

Description

The LD1117S33CTR is a low-dropout (LDO) voltage regulator commonly used in electronic circuits to provide a stable 3.3V output from a higher input voltage. It is part of the LD1117 series, which is known for its reliability and efficiency in voltage regulation. The device can provide up to 800 mA of output current with a dropout voltage of approximately 1V at maximum load, ensuring minimal voltage loss across the regulator.
Housed in a surface-mount SOT-223 package, the LD1117S33CTR is ideal for applications where space is limited. It features internal current and thermal limiting for protection against overload conditions, enhancing the durability and safety of the device. The "S33" in its name indicates the fixed 3.3V output, while "CTR" specifies the reel packaging, suitable for automated assembly processes.
This regulator is commonly used in various applications, including microcontroller power supplies, battery-powered devices, and communication equipment, where a stable voltage is crucial for optimal performance.

Equivalent

The LD1117S33CTR is a low-dropout linear voltage regulator with a 3.3V output. Equivalent products include:
1. AMS1117-3.3 by Advanced Monolithic Systems
2. LM1117-3.3 by Texas Instruments
3. NCP1117-3.3 by ON Semiconductor
4. AP1117-3.3 by Diodes Incorporated
5. MIC5205-3.3 by Microchip Technology
These alternatives share similar specifications in terms of output voltage, current rating, and dropout voltage. Always verify the datasheets for compatibility with your application.

Features

The LD1117S33CTR is a low-dropout (LDO) linear voltage regulator. Here are its key features:
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Dropout Voltage: It has a low dropout voltage of approximately 1.1V at maximum output current.
3. Output Current: It supports an output current of up to 800 mA.
4. Stability: The regulator is stable with low-value ceramic capacitors.
5. Thermal Protection: It features built-in thermal protection, which helps prevent overheating.
6. Short-Circuit Protection: It includes internal short-circuit current limiting.
7. Packaging: The component is available in a surface-mount SOT-223 package.
8. Efficiency: Intended for applications that require low power loss and efficient voltage regulation.
9. Operating Temperature: It operates over a wide temperature range suitable for various environments.
10. Applications: Suitable for use in consumer electronics, industrial applications, and any system requiring stable voltage regulation.
These features make the LD1117S33CTR a versatile choice for efficient power management in electronic circuits.

Pinout

The LD1117S33CTR is a low-dropout voltage regulator with a fixed output voltage of 3.3V. It typically comes in a SOT-223 package, which has 3 pins. The pin functions are as follows:
1. Input (Pin 1): This is the pin where the input voltage is supplied. The input voltage must be higher than the desired output voltage by a margin determined by the dropout voltage.
2. Ground (Pin 2): This pin is connected to the ground of the circuit. It serves as the reference point for the output voltage.
3. Output (Pin 3): This is where the regulated 3.3V output voltage is provided. The load to be powered is connected to this pin.
The LD1117S33CTR is widely used for applications requiring a stable 3.3V output with efficient performance, particularly in low-noise environments.

Manufacturer

The LD1117S33CTR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products and solutions. It serves various industries, including automotive, industrial, personal electronics, and communications equipment markets. The company is known for its innovation in integrated circuits and semiconductor technologies, offering products that include microcontrollers, MEMS sensors, power and analog devices, and more. STMicroelectronics operates worldwide and is one of the leading companies in the semiconductor industry, with a focus on sustainability and advancing the state of technology through research and development.

Application

The LD1117S33CTR is a low-dropout linear voltage regulator commonly used in various applications due to its ability to provide a stable 3.3V output. Key application areas include:
1. Consumer Electronics: Used in devices like set-top boxes, televisions, and gaming consoles.
2. Computing: Serves in motherboards and peripheral components requiring stable voltage.
3. Communication Devices: Utilized in networking equipment and mobile devices.
4. Industrial Equipment: Powers sensors and controllers in automation systems.
5. Battery-Powered Devices: Provides efficient power management for devices like portable gadgets.
6. Embedded Systems: Supports microcontrollers and digital circuits needing precise voltage regulation.
Its low dropout voltage and high accuracy make it ideal for circuits requiring reliable power management.

Package

The LD1117S33CTR is a low-dropout (LDO) voltage regulator from STMicroelectronics. It is packaged in a SOT-223 form factor, which is a surface-mount package commonly used for power components, providing efficient thermal performance and ease of mounting on printed circuit boards (PCBs).

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