LMR14030SDDA

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LMR14030SDDA

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IC REG BUCK ADJ 3.5A 8SOPWR

  • HerstellerTexas Instruments

  • Herstellerteil #LMR14030SDDA

  • Paket HSOIC (DDA)-8

  • Auf Lager2243

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Spezifikationen

Attribut Wert
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 3.5A
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)

Übersicht

Description

The LMR14030SDDA is a high-efficiency step-down (buck) switching voltage regulator developed by Texas Instruments. It is designed to convert a higher input voltage to a lower output voltage, making it ideal for applications requiring a stable power supply from a higher voltage source. Key features include:
1. Input Voltage Range: Operates with input voltages from 4.5V to 40V, accommodating a wide variety of power sources.
2. Output Current: Can deliver up to 3A of continuous output current.
3. Efficiency: High efficiency, often exceeding 90%, minimizing heat generation and power loss.
4. Switching Frequency: Adjustable switching frequency up to 2.5 MHz, allowing for flexibility in optimizing size and efficiency.
5. Thermal and Overload Protection: Includes features like thermal shutdown and cycle-by-cycle current limit to ensure reliable operation under varying conditions.
6. Package: Available in a small thermally enhanced SOIC (DDA) package, promoting ease of integration into various circuit designs.
The LMR14030SDDA is suitable for applications such as automotive systems, industrial equipment, and consumer electronics where space, efficiency, and reliability are crucial.

Equivalent

The LMR14030SDDA is a DC-DC buck converter from Texas Instruments. Equivalent products from other manufacturers might include the LM2596 from ON Semiconductor, the MP1584 from Monolithic Power Systems, and the TPS54331 from Texas Instruments itself. When seeking alternatives, ensure to compare parameters like input voltage range, output current, switching frequency, and efficiency to ensure compatibility with your application. Always consult the datasheets for detailed specifications and performance characteristics.

Features

The LMR14030SDDA is a step-down DC-DC converter designed by Texas Instruments. Here are its key features:
1. Input Voltage Range: Operates with an input voltage range of 4.0V to 40V, making it suitable for various applications, including automotive and industrial systems.

2. Output Current: Capable of delivering up to 3A of continuous output current.
3. Output Voltage Range: Adjustable output voltage from 0.765V to 30V.
4. Efficiency: Delivers high efficiency up to 92%, which reduces power loss and improves thermal performance.
5. Switching Frequency: Fixed frequency of 0.7 MHz, balancing efficiency and component size.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and short-circuit protection to enhance reliability.
7. Package: Available in a compact 8-pin PowerPAD SOIC package, facilitating easier thermal management and space-saving on PCBs.
8. Soft-Start: Incorporates an adjustable soft-start function to control inrush current during start-up.
9. Quiescent Current: Low quiescent current of 40 µA, ideal for battery-powered applications.
These features make the LMR14030SDDA suitable for use in compact, efficient power supply designs.

Pinout

The LMR14030SDDA is a step-down DC-DC converter from Texas Instruments. It comes in an 8-pin package with the following pin functions:
1. BOOT: Bootstrap capacitor connection for the internal high-side driver.
2. VIN: Input supply voltage for the power stage and control circuitry.
3. SW: Switch node, connected to the inductor and freewheeling diode.
4. GND: Ground reference for the device.
5. FB: Feedback input for setting the output voltage via an external resistor divider.
6. COMP: Compensation pin for stabilizing the control loop with an external RC network.
7. EN: Enable pin to turn the device on or off, with a threshold to disable or enable the part.
8. BIAS: Optional external bias supply input for improved efficiency.
The device is designed to convert a higher input voltage to a lower output voltage with high efficiency, suitable for a variety of applications, including industrial and automotive systems.

Manufacturer

The LMR14030SDDA is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. It designs and manufactures a wide range of semiconductor products, including analog and embedded processing chips. These products are used in various applications across industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is known for its innovation in chip design and its contribution to the advancement of electronic technology.

Application

The LMR14030SDDA is a step-down voltage regulator commonly used in applications requiring efficient power conversion. It is suitable for use in a variety of areas including:
1. Automotive Electronics: It supports automotive battery voltage levels and is ideal for use in car infotainment systems and control modules.
2. Industrial Equipment: Used in power supplies for industrial automation and control systems.
3. Telecommunications: Helps in regulating power for networking and communication devices.
4. Consumer Electronics: Powers devices like TVs and home audio systems.
5. Computing: Used in power management for servers and storage systems.
Its wide input voltage range and high efficiency make it versatile for these applications.

Package

The LMR14030SDDA is a DC-DC buck converter from Texas Instruments housed in an 8-pin, 3 mm x 3 mm SON (Small Outline No-lead) package. This package type offers a compact design suitable for efficient power management in space-constrained applications.

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