LMR14030SDDAR

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LMR14030SDDAR

IC REG BUCK ADJ 3.5A 8SOPWR

  • 제조업체
  • Mfr.부분 #LMR14030SDDAR
  • 패키지 HSOIC (DDA)-8
  • 데이터시트
  • 재고 있음3645

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사양

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 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)

개요

Description

The LMR14030SDDAR is a step-down DC-DC converter from Texas Instruments. It is designed for applications requiring a compact, efficient power supply solution. This device is capable of delivering up to 3.5 A of continuous output current with high efficiency, making it suitable for a wide range of applications including industrial, automotive, and general electronics.
The LMR14030SDDAR operates with an input voltage range from 4 V to 40 V, which allows it to handle various power supply sources. It features a fixed switching frequency of 2.1 MHz, contributing to a small solution size by allowing the use of smaller external components. Additionally, the device offers a low dropout voltage and excellent line and load regulation.
Key features include internal compensation, current-mode control for fast transient response, and thermal shutdown protection. The converter also offers an adjustable output voltage, allowing for versatility in different applications. Its small-footprint SMD package makes it ideal for space-constrained designs.
Overall, the LMR14030SDDAR is a versatile and efficient solution for converting higher voltages to a lower, regulated output in a compact form factor.

Features

The LMR14030SDDAR is a step-down voltage regulator from Texas Instruments. Key features include:
1. Input Voltage Range: Operates from 4.0 V to 40 V, making it suitable for a wide range of applications, including automotive and industrial systems.
2. Output Current: Capable of delivering up to 3 A continuous output current.
3. Efficiency: High efficiency due to low quiescent current and optimized switching frequency, which reduces power loss.
4. Switching Frequency: Fixed internally at 700 kHz, which allows for smaller external components and a compact design.
5. Output Voltage: Adjustable output voltage with an integrated feedback loop that maintains stable operation over varying loads and input conditions.
6. Thermal Performance: Operates with a thermal shutdown feature to protect against overheating, ensuring reliable performance under high-load conditions.
7. Protection Features: Includes cycle-by-cycle current limit, short-circuit protection, and thermal shutdown for enhanced safety.
8. Package: Offered in a compact and thermally efficient 8-pin SO PowerPAD package.
These features make the LMR14030SDDAR a versatile and reliable choice for power management in various electronic devices.

Package

The LMR14030SDDAR is a DC-DC buck converter from Texas Instruments, and it comes in a 8-pin SO PowerPAD package, which is a thermally enhanced standard small outline package.

Pinout

The LMR14030SDDAR is a SIMPLE SWITCHER® buck regulator from Texas Instruments. It is designed to step down a higher input voltage to a lower output voltage efficiently. The device comes in an 8-pin WSON (DSD) package.
Here's a brief overview of the pin functions:
1. VIN (Pin 1): Input voltage supply pin.
2. GND (Pin 2): Ground pin.
3. SW (Pin 3): Switch node pin, connected to the inductor.
4. BOOT (Pin 4): Bootstrap capacitor connection to drive the gate of the internal high-side MOSFET.
5. FB (Pin 5): Feedback pin for setting the output voltage.
6. COMP (Pin 6): Compensation pin for loop stability.
7. EN (Pin 7): Enable pin to turn the device on or off.
8. RT/CLK (Pin 8): Sets the switching frequency or synchronizes with an external clock.
The LMR14030SDDAR is suitable for a wide range of applications, offering features like high efficiency, adjustable output voltage, and the ability to support high-frequency operation.

Manufacturer

The LMR14030SDDAR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of analog and embedded processing chips. It is known for its innovation in developing electronic components and solutions that are used in various applications, including industrial, automotive, personal electronics, and communication equipment. TI's products include microcontrollers, digital signal processors, and power management solutions, among others. The company is well-regarded for its contributions to electronics design and manufacturing, and it plays a significant role in the advancement of technology through its extensive portfolio of semiconductor products.

Application

The LMR14030SDDAR is a buck converter used in applications requiring efficient voltage regulation. It is suitable for industrial systems, automotive electronics, consumer electronics, and distributed power systems. Its compact size and efficiency make it ideal for space-constrained applications such as battery-powered devices, embedded systems, and telecommunications equipment. The device's ability to handle high input voltages also makes it suitable for use in renewable energy systems and LED lighting applications.

Equivalent

Equivalent products to the LMR14030SDDAR, a DC-DC buck converter, include:
1. TI LM2675: A 1A step-down voltage regulator.
2. Diodes Inc. AP3403: A 3A synchronous buck converter.
3. STMicroelectronics L5973D: A 2A step-down switching regulator.
4. Microchip MCP16301: A 600mA buck converter.
5. ON Semiconductor NCP1117: A low dropout voltage regulator.
Ensure compatibility by checking the specifications like input/output voltage range, current rating, and package type.

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