LD1085D2T33R

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LD1085D2T33R

+Nomenclature

IC REG LINEAR 3.3V 3A D2PAK

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 30V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 1.5V @ 3A
Current-Output 3A
Current-Quiescent(Iq) 10 mA
PSRR 72dB (120Hz)
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case TO-263-3, D²Pak (2 Leads + Tab), TO-263AB

Présentation

Description

The LD1085D2T33R is a low dropout (LDO) linear voltage regulator designed to provide a stable and precise output voltage. It is often used in applications requiring a fixed 3.3V output with a load current capacity of up to 3A. This device operates with a low dropout voltage, which means it can maintain its output voltage even when the input voltage is only slightly higher than the output voltage, making it efficient for battery-powered and low-voltage applications.
Key features of the LD1085D2T33R include overcurrent and thermal protection, ensuring safety and reliability in various conditions. It comes in a D2PAK package, which is suitable for surface mounting and provides good thermal performance. The regulator is widely used in consumer electronics, telecommunications, and industrial applications due to its stability, low noise, and ease of use. Its design allows for minimal external components, which simplifies the circuit design and reduces overall system cost.

Equivalent

The LD1085D2T33R is a low dropout voltage regulator. Equivalent products include the LM1085 by Texas Instruments, the MIC29302 by Microchip Technology, the LT1085 by Analog Devices, and the NCP1085 by ON Semiconductor. When selecting an equivalent, ensure it matches the specific voltage, current specifications, and package type required for your application.

Features

The LD1085D2T33R is a fixed voltage linear voltage regulator designed for various electronic applications. Here are its key features:
1. Output Voltage: Provides a fixed output voltage of 3.3V.
2. Current Capability: Capable of delivering up to 3A of output current.
3. Low Dropout Voltage: Features a low dropout voltage, making it efficient for applications where input voltage is close to the output voltage.
4. Thermal Protection: Includes thermal shutdown to prevent damage due to overheating.
5. Short-Circuit Protection: Offers short-circuit protection to enhance device reliability and safety.
6. Stability: Requires minimal external components for stability, typically using a small bypass capacitor.
7. Package Type: Available in D2PAK packaging, which is suitable for surface-mount applications and provides good thermal performance.
8. Applications: Commonly used in power supply circuits for microprocessors, servers, and other digital devices requiring a stable 3.3V power source.
These features make the LD1085D2T33R a versatile component for designers needing efficient and reliable voltage regulation.

Pinout

The LD1085D2T33R is a low drop-out (LDO) voltage regulator. It typically comes in a TO-263 package and has 3 pins. The pin configuration and function are as follows:
1. Pin 1 (ADJ/GND): This is the adjust pin for the adjustable version or ground pin for the fixed voltage version. In fixed output configurations like the LD1085D2T33R, which outputs 3.3V, it serves as the ground pin.
2. Pin 2 (VOUT): This is the output pin where the regulated voltage is provided. The LD1085D2T33R provides a fixed output voltage of 3.3V.
3. Pin 3 (VIN): This is the input pin where the unregulated input voltage is supplied, which should be higher than the desired output voltage to ensure proper regulation.
Additionally, the package has a tab that is typically connected to ground, aiding in heat dissipation. The LD1085 series is known for a dropout voltage of approximately 1.2V at full load, making it suitable for applications requiring a low dropout voltage regulator with high current capability.

Manufacturer

The LD1085D2T33R is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. They serve a variety of applications such as automotive, industrial, personal electronics, computer peripherals, and more. The company is known for its innovation in semiconductor solutions and operates in multiple countries, providing technology solutions to a wide range of industries.

Application

The LD1085D2T33R is a low dropout voltage regulator, commonly used in applications requiring efficient voltage regulation. Its primary application areas include:
1. Consumer Electronics: Power management for devices like smartphones, tablets, and laptops.
2. Telecommunications: Supporting stable voltage for networking equipment and communication devices.
3. Industrial Automation: Ensuring reliable voltage supply in control systems and instrumentation.
4. Power Supplies: Used in DC-DC converter circuits for efficient power distribution.
5. Automotive Electronics: Providing stable power for microcontrollers and sensors in vehicles.
Its ability to operate with a low dropout voltage makes it ideal for applications where space and power efficiency are critical.

Package

The LD1085D2T33R is a low-dropout linear voltage regulator, and it comes in a D²PAK (TO-263) package. This type of package is known for its ability to handle higher power dissipation and is commonly used in applications requiring efficient thermal management.

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