LMR14050SDDAR

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LMR14050SDDAR

IC REG BUCK ADJUSTABLE 5A 8SOPWR

  • Fabricant
  • Mfr. Partie #LMR14050SDDAR
  • Paquet HSOIC (DDA)-8
  • Fiche de données
  • En stock5300

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
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 LMR14050SDDAR is a step-down DC-DC converter from Texas Instruments, designed for applications requiring efficient voltage regulation. It is part of the SIMPLE SWITCHER® family, offering ease of use and flexibility. The device operates with an input voltage range of 4.5V to 40V and can deliver an output current of up to 5A, making it suitable for a wide range of applications, including industrial and automotive systems.
Key features of the LMR14050SDDAR include a fixed switching frequency of 700kHz, which allows for compact solutions with smaller external components. It also integrates protection features such as cycle-by-cycle current limit, thermal shutdown, and a programmable soft-start function to ensure reliable operation. The device is housed in a thermally enhanced 8-pin SO PowerPAD™ package, facilitating efficient thermal dissipation.
The LMR14050SDDAR is ideal for applications requiring high efficiency, compact size, and robust performance. Its versatility makes it suitable for use in distributed power systems, battery-powered devices, and other voltage regulation tasks where efficiency and reliability are paramount.

Features

The LMR14050SDDAR is a step-down DC-DC converter from Texas Instruments, part of the SIMPLE SWITCHER® family. Key features include:
1. Input Voltage Range: Operates from 4.5V to 40V, making it suitable for a wide range of applications.
2. Output Current: Capable of delivering up to 5A continuous output current.
3. Efficiency: High efficiency due to its synchronous rectification design, enhancing thermal performance.
4. Switching Frequency: Fixed frequency operation at 0.7MHz, helping reduce the size of external components.
5. Soft Start: Integrated soft-start feature to prevent inrush current during startup.
6. Protection Features: Includes overcurrent protection, overvoltage protection, and thermal shutdown to enhance reliability.
7. Package: Available in a thermally enhanced 8-pin SO PowerPAD package for better heat dissipation.
8. Compact Design: Small footprint is ideal for space-constrained designs.
These features make it suitable for automotive, industrial, and general-purpose applications that require efficient power management in a compact form.

Package

The LMR14050SDDAR is a DC-DC buck converter from Texas Instruments. It comes in a small-outline transistor (SOT) package, specifically a 8-pin SO PowerPAD package, which is designed to provide efficient thermal performance and accommodate compact designs. The "SDDAR" suffix indicates the specific package and tape and reel packaging for automated assembly processes.

Pinout

The LMR14050SDDAR is a step-down voltage regulator from Texas Instruments. It comes in a 8-pin WSON (DSBGA) package. Here is a brief overview of the pin functions:
1. VIN: Input voltage supply pin. Connects to the input voltage source.
2. SW: Switch node. Connects to the inductor and provides switching voltage to regulate output.
3. BOOT: Bootstrapped capacitor pin. Needs a capacitor connected between this pin and the SW pin to drive the gate of the internal high-side MOSFET.
4. GND: Ground pin. Reference point for all other pins and must be connected to the system ground.
5. FB: Feedback pin. Used to set the output voltage via a resistor divider network.
6. RT/CLK: Resistor timing or synchronization clock pin. Sets the switching frequency when connected to a resistor or synchronizes to an external clock.
7. EN: Enable pin. Turns the regulator on or off.
8. BIAS: Bias supply pin. Provides power to internal circuitry to improve efficiency at light loads.
This configuration supports a wide input voltage range and provides efficient power conversion for various applications.

Manufacturer

The LMR14050SDDAR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. TI is known for its focus on innovation and its extensive product portfolio, which serves various industries including automotive, industrial, personal electronics, and communications equipment. The company is one of the largest semiconductor manufacturers in the world and is renowned for its analog and embedded processing products.

Application

The LMR14050SDDAR is a DC-DC buck converter suitable for applications requiring high efficiency and compact size. Key application areas include industrial power supplies, automotive systems, telecommunications, and consumer electronics. It's ideal for battery-powered devices, motor drives, and embedded systems that require stable power supply with low electromagnetic interference.

Equivalent

The LMR14050SDDAR is a DC-DC buck converter from Texas Instruments. Equivalent products from other manufacturers may include:
1. LM2596 from Texas Instruments - A popular buck converter IC.
2. MP1584 from Monolithic Power Systems - A compact, high-frequency buck converter.
3. XL4015 from XLSEMI - A 5A buck converter module.
4. LT1376 from Analog Devices - A 1.5A switching regulator with similar features.
Ensure the specific requirements such as input voltage, output voltage, current rating, and efficiency match your design needs when selecting an equivalent.

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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