LD1117ADT33TR

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LD1117ADT33TR

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IC REG LINEAR 3.3V 1A DPAK

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 15V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 1.3V @ 1A
Current-Output 1A
Current-Quiescent(Iq) 10 mA
PSRR 75dB (120Hz)
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature 0°C ~ 125°C
MountingType Surface Mount
Package/Case TO-252-3, DPak (2 Leads + Tab), SC-63

Übersicht

Description

The LD1117ADT33TR is a low-dropout (LDO) linear voltage regulator designed for applications requiring a stable output voltage with minimal input-output voltage differential. Operating typically with a 3.3V output, it offers efficient voltage regulation with a dropout voltage of around 1.2V at 800mA load current. This component is widely used in circuits where power efficiency and stability are critical, such as in microcontroller-based systems or other sensitive electronics.
Key features of the LD1117ADT33TR include thermal protection, current limiting, and safe area protection, ensuring reliable performance under various conditions. It is housed in a DPAK package, which provides good thermal performance and is suitable for surface mounting. The regulator's compact design and high performance make it ideal for use in consumer electronics, automotive applications, and industrial equipment. Overall, the LD1117ADT33TR offers an effective solution for voltage regulation in compact, power-sensitive applications.

Equivalent

Equivalent products to the LD1117ADT33TR, which is a 3.3V voltage regulator, include:
1. LM1117-3.3 (Texas Instruments)
2. NCP1117ST33T3G (ON Semiconductor)
3. AMS1117-3.3 (Advanced Monolithic Systems)
4. MIC5205-3.3 (Microchip Technology)
Ensure compatibility by checking the specific requirements such as output voltage, current capacity, and package type.

Features

The LD1117ADT33TR is a fixed voltage regulator IC designed to provide a stable 3.3V output. Key features include:
1. Output Voltage: Provides a steady 3.3V output, ideal for low-power applications.
2. Output Current: Capable of delivering up to 800mA of output current, suitable for powering various electronic components.
3. Dropout Voltage: Offers a low dropout voltage of typically 1.15V at 800mA, allowing efficient operation even with minimal voltage overhead.
4. Stability and Protection: Equipped with internal current and thermal limiting, ensuring protection against overcurrent and overheating conditions.
5. Ripple Rejection: Provides good ripple rejection, reducing the noise on the output voltage.
6. Package: Comes in a DPAK package, which is surface-mountable, making it suitable for compact and space-constrained applications.
7. Temperature Range: Operates within a wide temperature range, typically from -40°C to +125°C, ensuring reliability in various environmental conditions.
These features make the LD1117ADT33TR a versatile choice for applications requiring a reliable 3.3V power supply.

Pinout

The LD1117ADT33TR is a low dropout linear voltage regulator with a fixed output voltage of 3.3V. It typically comes in a SOT-223 package, which has 3 pins. Here's a brief overview of the pin functions:
1. Pin 1 (Input): This is the input pin where the unregulated voltage is applied. The input voltage should be higher than the desired 3.3V output by at least the dropout voltage to ensure proper regulation.
2. Pin 2 (Ground): This pin is connected to the ground or the reference point in the circuit, and it serves as the return path for current.
3. Pin 3 (Output): This is the output pin from which the regulated 3.3V voltage is obtained. It is used to power the load or the circuit requiring a stable voltage supply.
The LD1117ADT33TR is widely used in applications requiring a stable and low-noise power supply, with excellent line and load regulation characteristics.

Manufacturer

The LD1117ADT33TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of products for various electronic applications. The company is known for its innovation in the semiconductor industry, providing solutions for industrial, automotive, personal electronics, communications, and computer markets. Founded in 1987 through a merger of Italian and French semiconductor companies, STMicroelectronics has a broad product portfolio that includes microcontrollers, sensors, power management devices, and more. It operates globally, with research and development, manufacturing, and sales operations worldwide.

Application

The LD1117ADT33TR is a low-dropout (LDO) linear voltage regulator with a fixed output voltage of 3.3V. It is commonly used in applications that require stable voltage regulation, such as:
1. Microcontroller and microprocessor power supply.
2. Consumer electronics, including set-top boxes and TVs.
3. Communication devices like routers and modems.
4. Battery-powered devices, ensuring efficient power management.
5. Embedded systems for stable operation.
6. Industrial equipment requiring precise voltage control.
7. Portable devices where low dropout voltage is crucial for battery life.
Its compact size and reliable performance make it suitable for various electronic circuits that demand consistent voltage levels.

Package

The LD1117ADT33TR is a low-dropout linear voltage regulator packaged in a DPAK (TO-252) package. This package type is commonly used for surface-mounted applications, providing a compact and thermally efficient solution for power regulation.

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