LD1117DT33TR

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LD1117DT33TR

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IC REG LINEAR 3.3V 800MA DPAK

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
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) 1.2V @ 800mA
Current-Output 800mA
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

概要

Description

The LD1117DT33TR is a low-dropout linear voltage regulator designed for applications requiring a stable and efficient power supply. It is part of the LD1117 series, known for its reliable performance and ease of use. This particular model provides a fixed output voltage of 3.3V and can deliver up to 800mA of output current, making it suitable for powering microcontrollers, digital circuits, and other low-power devices.
The "DT" in its name indicates the package type, which is a TO-252, a surface-mount package that facilitates heat dissipation. The "TR" suffix denotes that the product comes in tape and reel packaging, convenient for automated assembly processes.
Key features of the LD1117DT33TR include a low dropout voltage of about 1.1V at maximum output current, internal current and thermal limiting, and a minimal external component requirement, which simplifies its integration into various designs. Its robust performance and ease of implementation make it a popular choice for use in consumer electronics, industrial applications, and telecommunications equipment.

Equivalent

The LD1117DT33TR is a voltage regulator. Equivalent products include:
1. LM1117 series (e.g., LM1117-3.3)
2. AMS1117-3.3
3. MIC29300-3.3
4. NCP1117-3.3
5. TLV1117-33
These alternatives have similar output voltage ratings and current capabilities. Always check the specific datasheets for compatibility in terms of pin configuration, thermal characteristics, and other electrical parameters.

Features

The LD1117DT33TR is a low-dropout linear voltage regulator. Key features include:
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Input Voltage Range: It can handle an input voltage up to 15V.
3. Output Current: Capable of delivering up to 800mA of output current.
4. Low Dropout Voltage: It has a dropout voltage of approximately 1.1V at maximum output current.
5. Thermal Protection: Built-in thermal shutdown protection to prevent overheating.
6. Short-Circuit Protection: Includes short-circuit current limiting for safety.
7. Stability: Requires external capacitors for stability, typically a 10µF output capacitor.
8. Package: Available in a DPAK surface-mount package for compact applications.
9. Quiescent Current: Features a low quiescent current, which makes it efficient in operation.
10. Operating Temperature Range: Suitable for use in a wide range of temperatures, typically -40°C to +125°C.
These features make the LD1117DT33TR suitable for various applications requiring stable 3.3V power supply, such as in microcontroller circuits, communication devices, and consumer electronics.

Pinout

The LD1117DT33TR is a low-dropout voltage regulator with a fixed output voltage of 3.3V. It typically comes in a DPAK (TO-252) package with three pins. The pin functions are as follows:
1. Input (VIN): This pin is where the input voltage is supplied. The voltage must be higher than the output voltage by a certain margin to ensure proper regulation.
2. Ground (GND): This pin is connected to the ground or reference point of the circuit.
3. Output (VOUT): This pin provides the regulated output voltage of 3.3V.
The LD1117 series is commonly used in applications that require a stable 3.3V supply, benefiting from low dropout voltage and good line and load regulation.

Manufacturer

The LD1117DT33TR is manufactured by STMicroelectronics. STMicroelectronics is a leading global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products and solutions. The company operates in various sectors, including automotive, industrial, personal electronics, communications equipment, and computers. STMicroelectronics is known for its comprehensive portfolio of products, including microcontrollers, power management devices, sensors, and analog products. It is recognized for its innovation and technology leadership in the semiconductor industry.

Application

The LD1117DT33TR is a low-dropout (LDO) voltage regulator commonly used in various applications. Its primary application areas include:
1. Consumer Electronics: Powers microcontrollers and other low-voltage digital circuits.
2. Telecommunications: Regulates voltage in networking devices and modems.
3. Industrial Equipment: Provides stable power in control systems and sensors.
4. Computing and Servers: Supplies power to memory modules and processors.
5. Automotive Electronics: Used in infotainment systems and control modules.
6. Portable Devices: Powers smartphones, tablets, and wearable technology.
7. LED Drivers: Maintains constant voltage for LED lighting applications.
These applications benefit from its ability to deliver a stable output with low dropout voltage and minimal external components.

Package

The LD1117DT33TR is housed in a DPAK (TO-252) package. This surface-mount package type is commonly used for voltage regulators and power management ICs, offering efficient thermal performance and ease of assembly in various electronic applications.

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