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LMR14050SDDAR
+BOMIC REG BUCK ADJUSTABLE 5A 8SOPWR
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #LMR14050SDDAR
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パッケージ HSOIC (DDA)-8
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在庫状況1230
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| 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) |
概要
Description
The LMR14050SDDAR is a step-down voltage regulator (also known as a buck converter) from Texas Instruments. It is part of the SIMPLE SWITCHER® series, designed for applications requiring efficient power conversion from higher to lower voltage levels. The device can handle an input voltage range from 4.5V to 40V and delivers an output current of up to 5A, making it suitable for industrial and automotive applications.
Key features of the LMR14050SDDAR include a high switching frequency of 2.1 MHz, which allows for the use of smaller external components and supports a compact design. It also incorporates an integrated high-side MOSFET and utilizes current mode control for fast transient response and cycle-by-cycle current limiting. Additional features include low shutdown current, thermal shutdown, and internal compensation to simplify the design process.
The device is housed in a thermally enhanced 8-pin SO PowerPAD package, providing efficient heat dissipation. Overall, the LMR14050SDDAR offers a robust solution for high-performance, space-constrained power management applications.
Key features of the LMR14050SDDAR include a high switching frequency of 2.1 MHz, which allows for the use of smaller external components and supports a compact design. It also incorporates an integrated high-side MOSFET and utilizes current mode control for fast transient response and cycle-by-cycle current limiting. Additional features include low shutdown current, thermal shutdown, and internal compensation to simplify the design process.
The device is housed in a thermally enhanced 8-pin SO PowerPAD package, providing efficient heat dissipation. Overall, the LMR14050SDDAR offers a robust solution for high-performance, space-constrained power management applications.
Equivalent
The LMR14050SDDAR is a synchronous step-down voltage regulator from Texas Instruments. Equivalent products can include similar buck converters from other manufacturers. Examples are:
1. LMR33630 from Texas Instruments, offering similar functionality with slightly different specifications.
2. MP2451 from Monolithic Power Systems, another high-efficiency step-down regulator.
3. LT8609S from Analog Devices, which provides comparable performance.
4. TPS54302 from Texas Instruments, an alternative with similar capabilities.
Ensure to compare parameters like input voltage range, output current, efficiency, and package type for compatibility.
1. LMR33630 from Texas Instruments, offering similar functionality with slightly different specifications.
2. MP2451 from Monolithic Power Systems, another high-efficiency step-down regulator.
3. LT8609S from Analog Devices, which provides comparable performance.
4. TPS54302 from Texas Instruments, an alternative with similar capabilities.
Ensure to compare parameters like input voltage range, output current, efficiency, and package type for compatibility.
Features
The LMR14050SDDAR is a step-down DC-DC converter from Texas Instruments. It features a wide input voltage range from 4.5V to 40V, making it suitable for a variety of applications. It delivers up to 5A of continuous output current and maintains high efficiency across a range of loads. The device operates at a fixed frequency of 700 kHz, which allows for a compact design with smaller external components.
The converter includes an adjustable output voltage, set via external resistors, and supports a soft-start feature to limit inrush current during startup. It also provides various protection features, such as cycle-by-cycle current limit, thermal shutdown, and an input under-voltage lockout. The LMR14050SDDAR is housed in a small, thermally enhanced 8-pin SO PowerPAD package, improving heat dissipation and allowing for more compact PCB layouts. Its design facilitates ease of use in automotive, industrial, and consumer electronic applications where reliability and flexibility are essential.
The converter includes an adjustable output voltage, set via external resistors, and supports a soft-start feature to limit inrush current during startup. It also provides various protection features, such as cycle-by-cycle current limit, thermal shutdown, and an input under-voltage lockout. The LMR14050SDDAR is housed in a small, thermally enhanced 8-pin SO PowerPAD package, improving heat dissipation and allowing for more compact PCB layouts. Its design facilitates ease of use in automotive, industrial, and consumer electronic applications where reliability and flexibility are essential.
Pinout
The LMR14050SDDAR is a step-down DC-DC converter from Texas Instruments. It comes in an 8-pin HSOP (Heat Sink Outline Package), also known as a power package, which is designed to handle higher power dissipation.
Here are the functions for each pin:
1. VIN (Pin 1): Input voltage supply pin.
2. SW (Pin 2): Switch node, connected to the inductor and catch diode.
3. GND (Pin 3 & Pin 4): Ground reference for the device. Both pins are typically connected to the power ground.
4. FB (Pin 5): Feedback voltage for output voltage regulation.
5. EN (Pin 6): Enable pin, used to turn the device on or off.
6. BOOT (Pin 7): Bootstrapped gate drive voltage for the high-side MOSFET.
7. RT (Pin 8): Timing resistor to set the switching frequency.
This device is used for applications requiring efficient power conversion, offering high efficiency and a compact package for various electronics projects.
Here are the functions for each pin:
1. VIN (Pin 1): Input voltage supply pin.
2. SW (Pin 2): Switch node, connected to the inductor and catch diode.
3. GND (Pin 3 & Pin 4): Ground reference for the device. Both pins are typically connected to the power ground.
4. FB (Pin 5): Feedback voltage for output voltage regulation.
5. EN (Pin 6): Enable pin, used to turn the device on or off.
6. BOOT (Pin 7): Bootstrapped gate drive voltage for the high-side MOSFET.
7. RT (Pin 8): Timing resistor to set the switching frequency.
This device is used for applications requiring efficient power conversion, offering high efficiency and a compact package for various electronics projects.
Manufacturer
The LMR14050SDDAR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company known for designing and manufacturing semiconductors and various integrated circuits. The company is a leader in the electronics industry, providing a wide range of products and solutions for multiple applications, including automotive, industrial, personal electronics, and communications equipment. TI is recognized for its innovation and extensive portfolio of analog and embedded processing products, playing a crucial role in advancing electronic devices and systems worldwide.
Application
The LMR14050SDDAR is a step-down DC-DC converter used in various applications for its efficiency and compact design. Key application areas include:
1. Industrial Automation: Powering sensors and control systems.
2. Automotive Electronics: Driving infotainment systems and body electronics.
3. Telecommunications: Supplying power to network equipment.
4. Consumer Electronics: Used in devices like set-top boxes and home appliances.
5. Computing: Powering peripherals and auxiliary components.
6. Medical Equipment: Ensuring reliable power for diagnostic devices.
Its wide input voltage range and high efficiency make it suitable for battery-powered and energy-sensitive applications.
1. Industrial Automation: Powering sensors and control systems.
2. Automotive Electronics: Driving infotainment systems and body electronics.
3. Telecommunications: Supplying power to network equipment.
4. Consumer Electronics: Used in devices like set-top boxes and home appliances.
5. Computing: Powering peripherals and auxiliary components.
6. Medical Equipment: Ensuring reliable power for diagnostic devices.
Its wide input voltage range and high efficiency make it suitable for battery-powered and energy-sensitive applications.
Package
The LMR14050SDDAR is a buck regulator from Texas Instruments and comes in a 10-pin PowerPAD MSOP package, designated as DDA. This package type is compact and includes a thermal pad for improved heat dissipation, suitable for high-efficiency power management applications.
