LMR14050SDDA

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LMR14050SDDA

IC REG BUCK ADJUSTABLE 5A 8SOPWR

  • Fabricant
  • Mfr. Partie #LMR14050SDDA
  • Paquet HSOIC (DDA)-8
  • Fiche de données
  • En stock7992

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Spécifications

Package Bulk,Tube
Series SIMPLE SWITCHER®
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4V
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 28V
Current-Output 5A
Frequency-Switching 200kHz ~ 2.5MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-PowerSOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

The LMR14050SDDA is a simple, efficient, step-down DC-DC converter manufactured by Texas Instruments. It is part of the LMR14050 series, designed for applications requiring high efficiency and compact solutions. This regulator features a wide input voltage range from 4 V to 40 V, catering to a variety of power sources including automotive, industrial, and battery-powered systems.
The device can deliver up to 5 A of continuous output current, making it suitable for powering high-current loads. It operates at a fixed frequency of 2.1 MHz, which allows for smaller external components and reduces the overall solution size. The high switching frequency also helps in minimizing electromagnetic interference (EMI).
The LMR14050SDDA integrates a high-side MOSFET and employs a peak current mode control architecture, ensuring fast transient response and stability over a wide range of loads. It features protection mechanisms such as cycle-by-cycle current limiting, thermal shutdown, and an adjustable soft-start function. The device is available in a thermally enhanced 8-pin HSOP PowerPAD package, which aids in heat dissipation. Overall, the LMR14050SDDA is suitable for applications needing reliable, high-density power conversion.

Features

The LMR14050SDDA is a DC-DC buck converter from Texas Instruments. Key features include:
1. Input Voltage Range: Operates with an input voltage from 4.5 V to 40 V, making it suitable for a wide range of applications.
2. Output Voltage: Provides an adjustable output voltage ranging from 0.8 V to 36 V, allowing for flexibility in various design requirements.
3. Output Current: Delivers up to 5 A of continuous output current, which is suitable for powering various loads.
4. Efficiency: High efficiency is achieved through a synchronous rectification design, which reduces power loss and heat.
5. Switching Frequency: Operates at a fixed switching frequency of 700 kHz, which helps in reducing the size of external components.
6. Protection Features: Includes over-current protection, thermal shutdown, and undervoltage lockout to ensure reliable and safe operation.
7. Package: Available in a thermally enhanced 8-pin SO PowerPAD package (DDPAK), aiding in better heat dissipation.
8. Applications: Ideal for use in industrial power supplies, automotive systems, and consumer electronics where efficient step-down voltage conversion is required.
These features make the LMR14050SDDA a versatile and robust choice for a variety of power management applications.

Package

The LMR14050SDDA is a DC-DC buck converter from Texas Instruments, and it comes in an 8-pin SO PowerPAD package, also known as the DDA package. This package type provides efficient thermal performance due to the PowerPAD, which is a thermally enhanced standard-size surface-mount package.

Pinout

The LMR14050SDDA is a step-down voltage regulator in Texas Instruments' LMR14050 family. It typically comes in an 8-pin package known as the SO PowerPAD (DDA). Here's a concise overview of its pin functions:
1. VIN: Input voltage supply pin.
2. SW: Switch node; output from the internal power switch.
3. BOOT: Bootstrap capacitor connection for high-side gate drive.
4. GND: Ground pin; should be connected to system ground.
5. FB: Feedback pin for setting the output voltage via a resistor divider.
6. EN: Enable pin; used to enable or disable the regulator.
7. RT/CLK: Resistor timing or external clock pin for setting the switching frequency.
8. NC: No connection or not internally connected.
The LMR14050SDDA is designed to provide high efficiency and minimal external components, supporting an input voltage range of 4.5V to 40V and capable of delivering up to 5A of output current.

Manufacturer

The LMR14050SDDA is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of semiconductor products including analog and embedded processing chips. They are known for their innovations in technology and their contributions to a variety of industries such as automotive, industrial, electronics, and communications. TI's focus on research and development has made it a leader in the semiconductor industry, providing components that are used in countless electronic devices.

Application

The LMR14050SDDA is a DC-DC buck converter used in various applications such as industrial automation, telecommunications, consumer electronics, and automotive systems. It is ideal for step-down voltage regulation and power management in applications requiring high efficiency and compact design. The device's wide input voltage range and robust performance make it suitable for use in battery-powered devices, LED drivers, distributed power systems, and any application needing efficient power conversion.

Equivalent

The LMR14050SDDA is a DC-DC buck converter from Texas Instruments. Equivalent products include the LM2596, LM2678, and LM2675 from Texas Instruments, the MP1584 from Monolithic Power Systems, the LT8610 from Analog Devices, and the TPS5430, also from Texas Instruments. Each of these parts has specific features and specifications, so it's important to compare parameters like input voltage, output current, switching frequency, and efficiency to ensure compatibility with your application.

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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