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LMR14030SDDAR
+Lista de MateriaisIC REG BUCK ADJ 3.5A 8SOPWR
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FabricanteTexas Instruments
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Peça do Fabricante #LMR14030SDDAR
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Pacote HSOIC (DDA)-8
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Especificações
| Atributo | Valor |
| 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) |
Visão Geral
Description
The LMR14030SDDAR is a DC-DC buck converter from Texas Instruments. It is designed for step-down voltage conversion, converting a higher input voltage to a lower output voltage. This device is part of the SIMPLE SWITCHER® family, known for ease of use and high efficiency. The LMR14030SDDAR can handle an input voltage range of 4.5V to 40V and provides an output current of up to 3A. It operates at a fixed switching frequency of 700 kHz, allowing for a compact design due to smaller external components. The converter features an adjustable output voltage range, making it versatile for various applications, including automotive, industrial, and consumer electronics. It incorporates several protection features such as current limiting, thermal shutdown, and undervoltage lockout, ensuring reliable operation under different conditions. The SDDAR suffix indicates a specific package type, enabling compact integration into circuit designs. The LMR14030SDDAR is favored for its efficiency, reliability, and flexibility in applications requiring stable and efficient power conversion.
Equivalent
The LMR14030SDDAR is a DC-DC buck converter from Texas Instruments. Equivalent products from other manufacturers include the LM2596 from ON Semiconductor, the MP2459 from Monolithic Power Systems, and the LT8609 from Analog Devices. Each of these components offers similar functionality, such as step-down voltage conversion, but specifications like input voltage range, output current, and efficiency might slightly differ. Always ensure the equivalent matches your specific requirements by consulting their respective datasheets.
Features
The LMR14030SDDAR is a step-down DC-DC converter from Texas Instruments. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 40V, making it suitable for various applications, including automotive and industrial.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. Efficiency: High efficiency, typically over 90%, due to its synchronous rectification feature.
4. Switching Frequency: Fixed 700 kHz switching frequency allows for small external components, reducing overall solution size.
5. Low Quiescent Current: Features a low standby current of 28 µA, enhancing efficiency in light-load conditions.
6. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and short circuit protection to ensure reliable operation.
7. Package: Available in a small, thermally enhanced SO PowerPAD package for efficient heat dissipation.
8. Soft Start: Integrated soft-start minimizes inrush current during startup.
These features make the LMR14030SDDAR a versatile choice for efficient power conversion in space-constrained applications.
1. Wide Input Voltage Range: Operates from 4.5V to 40V, making it suitable for various applications, including automotive and industrial.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. Efficiency: High efficiency, typically over 90%, due to its synchronous rectification feature.
4. Switching Frequency: Fixed 700 kHz switching frequency allows for small external components, reducing overall solution size.
5. Low Quiescent Current: Features a low standby current of 28 µA, enhancing efficiency in light-load conditions.
6. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and short circuit protection to ensure reliable operation.
7. Package: Available in a small, thermally enhanced SO PowerPAD package for efficient heat dissipation.
8. Soft Start: Integrated soft-start minimizes inrush current during startup.
These features make the LMR14030SDDAR a versatile choice for efficient power conversion in space-constrained applications.
Pinout
The LMR14030SDDAR is a step-down DC-DC converter from Texas Instruments. It features a 10-pin SOIC (Small Outline Integrated Circuit) package. The key functions of the pins are as follows:
1. VIN: Input voltage supply.
2. SW: Switch node; connects to the inductor.
3. BOOT: Bootstrap capacitor connection for driving the internal high-side MOSFET gate.
4. FB: Feedback pin for output voltage regulation.
5. EN: Enable pin; used to enable or disable the device.
6. GND: Ground connection.
7. PGND: Power ground; provides the return path for the power stage.
8. RT/CLK: Sets the switching frequency or synchronizes to an external clock.
9. SS/TRK: Soft-start or tracking pin; controls the rise time of the output voltage.
10. VCC: Internal LDO output used to power the IC’s internal circuitry.
These pins collectively facilitate the conversion of a higher DC input voltage to a lower DC output voltage with high efficiency, suitable for various power management applications.
1. VIN: Input voltage supply.
2. SW: Switch node; connects to the inductor.
3. BOOT: Bootstrap capacitor connection for driving the internal high-side MOSFET gate.
4. FB: Feedback pin for output voltage regulation.
5. EN: Enable pin; used to enable or disable the device.
6. GND: Ground connection.
7. PGND: Power ground; provides the return path for the power stage.
8. RT/CLK: Sets the switching frequency or synchronizes to an external clock.
9. SS/TRK: Soft-start or tracking pin; controls the rise time of the output voltage.
10. VCC: Internal LDO output used to power the IC’s internal circuitry.
These pins collectively facilitate the conversion of a higher DC input voltage to a lower DC output voltage with high efficiency, suitable for various power management applications.
Manufacturer
The LMR14030SDDAR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a broad range of analog and embedded processing chips. The company is known for its innovation in the electronics industry, providing solutions for various markets such as industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI's products are used in countless electronic devices worldwide, contributing to advancements in technology and supporting various applications across different sectors.
Application
The LMR14030SDDAR is a DC-DC buck converter, suitable for various applications. It is commonly used in industrial power supply systems due to its efficiency and reliability. In automotive electronics, it powers sensors, microcontrollers, and communication modules. In telecom infrastructure, it helps in voltage regulation for routers and base stations. Consumer electronics also benefit by using it for voltage reduction in devices like TVs and set-top boxes. Additionally, it is suitable for renewable energy systems, providing efficient power conversion in solar inverters and battery management systems. Its wide input voltage range makes it versatile for numerous power management applications.
Package
The LMR14030SDDAR is a DC-DC buck converter from Texas Instruments and comes in a 10-pin, 3.00mm x 3.00mm SON (Small Outline No-lead) package.
