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LMR14050SDDA
+Lista de MateriaisIC REG BUCK ADJUSTABLE 5A 8SOPWR
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FabricanteTexas Instruments
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Peça do Fabricante #LMR14050SDDA
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Pacote HSOIC (DDA)-8
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Especificações
| Atributo | Valor |
| 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 | 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 LMR14050SDDA is a DC-DC buck converter from Texas Instruments, designed for step-down voltage conversion. It is part of the SIMPLE SWITCHER® series, known for its ease of use and reliability. This particular model operates over a wide input voltage range of 4.5V to 40V and can deliver up to 5A of continuous output current, making it suitable for various applications, including industrial, automotive, and consumer electronics.
Key features include a fixed switching frequency of 0.7 MHz, which helps minimize external component size and reduces electromagnetic interference (EMI). The device supports pulse frequency modulation (PFM) mode for improved efficiency at light loads. It also includes protection features such as cycle-by-cycle current limit, thermal shutdown, and output voltage feedback for stability.
The LMR14050SDDA is housed in a thermally efficient, small-footprint 8-pin SO PowerPAD™ package, facilitating compact and flexible PCB designs. Overall, it offers a robust solution for efficient power conversion in demanding environments.
Key features include a fixed switching frequency of 0.7 MHz, which helps minimize external component size and reduces electromagnetic interference (EMI). The device supports pulse frequency modulation (PFM) mode for improved efficiency at light loads. It also includes protection features such as cycle-by-cycle current limit, thermal shutdown, and output voltage feedback for stability.
The LMR14050SDDA is housed in a thermally efficient, small-footprint 8-pin SO PowerPAD™ package, facilitating compact and flexible PCB designs. Overall, it offers a robust solution for efficient power conversion in demanding environments.
Equivalent
The LMR14050SDDA is a DC-DC buck converter from Texas Instruments. Equivalent products from other manufacturers include:
1. LM2596 - by various manufacturers like Texas Instruments, ON Semiconductor.
2. MP1584 - by Monolithic Power Systems.
3. LMR33630 - also from Texas Instruments, offering similar functionalities.
4. LMR36015 - from Texas Instruments, with different current ratings.
These equivalents may differ in specific parameters such as input voltage range, output current, or package type. Always check datasheets for compatibility with your application.
1. LM2596 - by various manufacturers like Texas Instruments, ON Semiconductor.
2. MP1584 - by Monolithic Power Systems.
3. LMR33630 - also from Texas Instruments, offering similar functionalities.
4. LMR36015 - from Texas Instruments, with different current ratings.
These equivalents may differ in specific parameters such as input voltage range, output current, or package type. Always check datasheets for compatibility with your application.
Features
The LMR14050SDDA is a buck regulator from Texas Instruments, designed for high-efficiency step-down DC-DC conversion. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 40V, making it suitable for various applications.
2. Output Current: Capable of delivering up to 5A continuous output current.
3. Efficiency: High efficiency, often greater than 90%, due to its synchronous rectification and low RDS(on) power MOSFETs.
4. Switching Frequency: Operates at a fixed frequency of 500 kHz, allowing for smaller external components and reduced board space.
5. Thermal Performance: Enhanced thermal design for improved heat dissipation, thanks to its PowerPAD™ package.
6. Protection Features: Includes built-in protection mechanisms such as cycle-by-cycle current limit, thermal shutdown, and output short-circuit protection.
7. Low Quiescent Current: Optimized for low standby current to increase battery life in portable applications.
8. Compact Package: Available in a small, thermally efficient 8-pin SO PowerPAD package, ideal for space-constrained designs.
These features make the LMR14050SDDA suitable for automotive, industrial, and consumer electronics applications.
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 40V, making it suitable for various applications.
2. Output Current: Capable of delivering up to 5A continuous output current.
3. Efficiency: High efficiency, often greater than 90%, due to its synchronous rectification and low RDS(on) power MOSFETs.
4. Switching Frequency: Operates at a fixed frequency of 500 kHz, allowing for smaller external components and reduced board space.
5. Thermal Performance: Enhanced thermal design for improved heat dissipation, thanks to its PowerPAD™ package.
6. Protection Features: Includes built-in protection mechanisms such as cycle-by-cycle current limit, thermal shutdown, and output short-circuit protection.
7. Low Quiescent Current: Optimized for low standby current to increase battery life in portable applications.
8. Compact Package: Available in a small, thermally efficient 8-pin SO PowerPAD package, ideal for space-constrained designs.
These features make the LMR14050SDDA suitable for automotive, industrial, and consumer electronics applications.
Pinout
The LMR14050SDDA is a step-down voltage regulator produced by Texas Instruments. It comes in an 8-pin package, specifically a 12-Pin WSON (DSD) package. Here's a brief overview of its pin functions:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node, where the inductor is connected.
3. GND (Pin 3): Ground connection.
4. FB (Pin 4): Feedback input for setting the output voltage.
5. RT (Pin 5): Resistor timing pin used to set the switching frequency.
6. EN (Pin 6): Enable pin for turning the device on or off.
7. BOOT (Pin 7): Bootstrap capacitor connection for driving the high-side FET.
8. BIAS (Pin 8): Optional input for supplying the internal circuitry.
It is designed for applications requiring a wide input voltage range and high efficiency, capable of delivering up to 5A continuous output current. The device is suitable for various applications, including industrial power supplies and high-performance point-of-load systems.
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node, where the inductor is connected.
3. GND (Pin 3): Ground connection.
4. FB (Pin 4): Feedback input for setting the output voltage.
5. RT (Pin 5): Resistor timing pin used to set the switching frequency.
6. EN (Pin 6): Enable pin for turning the device on or off.
7. BOOT (Pin 7): Bootstrap capacitor connection for driving the high-side FET.
8. BIAS (Pin 8): Optional input for supplying the internal circuitry.
It is designed for applications requiring a wide input voltage range and high efficiency, capable of delivering up to 5A continuous output current. The device is suitable for various applications, including industrial power supplies and high-performance point-of-load systems.
Manufacturer
The manufacturer of the LMR14050SDDA is Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a broad range of analog and embedded processing chips. These products are used in various applications, from consumer electronics and automotive systems to industrial equipment and communications infrastructure. TI is known for its innovation in the electronics industry and has a strong focus on research and development to advance technology and support customer needs.
Application
The LMR14050SDDA is a step-down (buck) DC-DC converter commonly used in various applications due to its efficiency and compact design. Its application areas include:
1. Automotive Systems: Used for powering infotainment, navigation, and lighting systems.
2. Telecommunications: Suitable for powering base stations and networking equipment.
3. Industrial Equipment: Powers sensors, controllers, and automation systems.
4. Consumer Electronics: Used in devices like laptops and set-top boxes.
5. Battery-Powered Devices: Provides efficient power management in portable electronics.
6. Embedded Systems: Supplies power to microcontrollers and other digital circuits.
These applications benefit from its wide input voltage range, high efficiency, and reliable performance.
1. Automotive Systems: Used for powering infotainment, navigation, and lighting systems.
2. Telecommunications: Suitable for powering base stations and networking equipment.
3. Industrial Equipment: Powers sensors, controllers, and automation systems.
4. Consumer Electronics: Used in devices like laptops and set-top boxes.
5. Battery-Powered Devices: Provides efficient power management in portable electronics.
6. Embedded Systems: Supplies power to microcontrollers and other digital circuits.
These applications benefit from its wide input voltage range, high efficiency, and reliable performance.
Package
The LMR14050SDDA is a DC-DC buck converter from Texas Instruments, and it comes in an 8-pin SO PowerPAD package, specifically referred to as the HSOP (Heatsink Small Outline Package).
