LF33CDT-TR

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LF33CDT-TR

IC REG LINEAR 3.3V 500MA DPAK

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 16V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.7V @ 500mA
Current-Output 500mA
Current-Quiescent(Iq) 1 mA
Current-Supply(Max) 12 mA
PSRR 80dB ~ 65dB (120Hz ~ 65dB)
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case TO-252-3, DPak (2 Leads + Tab), SC-63

Vue d'ensemble

Description

LF33CDT-TR is a voltage regulator integrated circuit (IC) commonly used in electronic circuits for power management. Designed for applications requiring a stable voltage output, it can deliver an output current of up to 3A with low dropout voltage. The "LF" usually denotes a low-dropout series, and the "33" indicates an output voltage of 3.3V. The "CDT" and "TR" part of the designation can refer to package type and tape-and-reel packaging, respectively, which are important for automated assembly in manufacturing processes.
Key features include low dropout voltage, thermal protection, and short-circuit protection, making it reliable under various operating conditions. The IC is typically housed in a TO-220 or D²PAK package, facilitating heat dissipation. Common in consumer electronics, computing, and industrial applications, the LF33CDT-TR ensures efficient power regulation, especially where space and heat dissipation are concerns. It is a crucial component for ensuring devices run smoothly by maintaining consistent voltage levels despite fluctuations in input voltage or output current demands.

Features

The LF33CDT-TR is a low-dropout (LDO) linear voltage regulator typically used in electronic devices to provide a stable output voltage. Key features of this component include:
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Input Voltage Range: Can accept input voltages up to 20V, making it versatile for various applications.
3. Dropout Voltage: It has a low dropout voltage, generally around 0.45V at 500mA, ensuring efficient performance even when the input voltage is close to the output voltage.
4. Current Capability: Supports an output current of up to 800mA.
5. Thermal Protection: Includes built-in thermal shutdown to prevent overheating.
6. Short-Circuit Protection: Equipped with short-circuit protection to safeguard the device and connected components.
7. Low Quiescent Current: Consumes minimal power when not fully loaded, enhancing efficiency.
8. Package Type: Available in a DPAK package, suited for surface-mount technology.
These features make the LF33CDT-TR ideal for use in consumer electronics, computers, and industrial applications where stable voltage regulation is needed.

Package

The LF33CDT-TR is a linear voltage regulator packaged in a DPAK (TO-252) form. This package type is designed for surface mount technology, providing a balance between power dissipation and compact size, making it suitable for various applications requiring stable voltage regulation.

Pinout

The LF33CDT-TR is a low-dropout (LDO) voltage regulator. It typically comes in a DPAK package, which has a 3-pin configuration. Here are the pin functions:
1. Input (Vin): This pin receives the input voltage that the regulator will stabilize and convert to the desired output voltage.
2. Ground (GND): This pin is the ground reference for both the input and output voltage. It is essential for completing the circuit.
3. Output (Vout): This pin provides the regulated output voltage. The LF33CDT-TR is designed to output a fixed voltage, typically 3.3V, depending on the specific product variant and application.
The LF33CDT-TR can deliver a maximum current of around 3A depending on thermal conditions, making it suitable for a variety of applications requiring regulated 3.3V power.

Manufacturer

The LF33CDT-TR is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is involved in the design, development, manufacturing, and marketing of a wide range of semiconductor products, including discrete and integrated devices. The company serves various markets, including industrial, automotive, personal electronics, communications equipment, and computers. STMicroelectronics is known for its focus on innovation and sustainability in the semiconductor industry.

Application

The LF33CDT-TR is a voltage regulator commonly used in applications requiring a stable 3.3V output. Key areas include microcontroller and microprocessor power supply, battery-powered devices, and general-purpose low-dropout voltage regulation. Its low-dropout characteristics make it ideal for efficient power management in portable electronics, telecommunications equipment, and automotive systems. The device's stability and low noise also suit sensitive analog circuits.

Equivalent

The LF33CDT-TR is a low dropout (LDO) linear voltage regulator. Equivalent products include:
1. LM1117-3.3 (Texas Instruments)
2. LD1117-3.3 (STMicroelectronics)
3. MIC5205-3.3 (Microchip Technology)
4. NCP1117DT33G (ON Semiconductor)
5. AP7333-33SAG (Diodes Incorporated)
These alternatives generally offer similar voltage regulation capabilities and package options but verify specific characteristics before substituting.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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