圖片僅供參考
TPS54531DDAR
+物料清單IC REG BUCK ADJUSTABLE 5A 8SOPWR
-
製造商德州儀器
-
製造商部分 #TPS54531DDAR
-
有存貨3968
365 天品質保證
7*24 小時服務保證
90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SWIFT™, Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3.5V |
| Voltage-Input(Max) | 28V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 26.04V |
| Current-Output | 5A |
| Frequency-Switching | 570kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
概述
Description
The TPS54531DDAR is a step-down (buck) DC-DC converter from Texas Instruments. It is part of the TPS54531 series, designed to provide a highly efficient power conversion solution, ideal for a wide range of applications including consumer electronics, industrial systems, and automotive applications. The device operates with an input voltage range of 4.5V to 28V and is capable of delivering an output current of up to 5A.
Key features of the TPS54531DDAR include a fixed 570 kHz switching frequency, a wide output voltage range from 0.8V to 25V, and an integrated high-side MOSFET. This converter also offers cycle-by-cycle current limit, thermal shutdown protection, and an adjustable slow start to enhance system reliability. Furthermore, the TPS54531DDAR is designed to simplify power supply design with its small footprint and minimal external components. The device is available in an 8-pin SO PowerPAD package, which aids in thermal management. It is well-suited for applications requiring efficient power conversion and robust performance.
Key features of the TPS54531DDAR include a fixed 570 kHz switching frequency, a wide output voltage range from 0.8V to 25V, and an integrated high-side MOSFET. This converter also offers cycle-by-cycle current limit, thermal shutdown protection, and an adjustable slow start to enhance system reliability. Furthermore, the TPS54531DDAR is designed to simplify power supply design with its small footprint and minimal external components. The device is available in an 8-pin SO PowerPAD package, which aids in thermal management. It is well-suited for applications requiring efficient power conversion and robust performance.
Equivalent
The TPS54531DDAR is a 5A, 28V, step-down (buck) DC-DC converter from Texas Instruments. Equivalent products include:
1. LM2596 from Texas Instruments - Up to 3A output current.
2. LTC3776 from Analog Devices - High efficiency, wide input range.
3. MP1584 from Monolithic Power Systems - Adjustable output voltage.
4. AP1509 from Diodes Incorporated - 2A output current.
5. XL4015 from XLSEMI - 5A output current.
Always verify the specifications to ensure compatibility with your application.
1. LM2596 from Texas Instruments - Up to 3A output current.
2. LTC3776 from Analog Devices - High efficiency, wide input range.
3. MP1584 from Monolithic Power Systems - Adjustable output voltage.
4. AP1509 from Diodes Incorporated - 2A output current.
5. XL4015 from XLSEMI - 5A output current.
Always verify the specifications to ensure compatibility with your application.
Features
The TPS54531DDAR is a high-performance, step-down (buck) DC-DC converter designed by Texas Instruments. Key features include:
1. Input Voltage Range: 4.5V to 28V, making it versatile for various applications.
2. Output Current: Capable of delivering up to 5A continuous output current.
3. Switching Frequency: Operates at a fixed frequency of 570 kHz, providing a balance between efficiency and size.
4. Conversion Efficiency: High efficiency, exceeding 90% in optimal conditions.
5. Thermal Performance: Comes with an integrated MOSFET for better thermal management and reduced component count.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
7. Adjustable Output Voltage: Output voltage can be set using an external resistor divider for flexibility.
8. Soft Start: Built-in soft start to minimize inrush current during startup.
9. Compact Packaging: Available in an 8-pin SO PowerPAD package, allowing for efficient heat dissipation.
This makes the TPS54531DDAR well-suited for applications including telecom, consumer electronics, and industrial power systems.
1. Input Voltage Range: 4.5V to 28V, making it versatile for various applications.
2. Output Current: Capable of delivering up to 5A continuous output current.
3. Switching Frequency: Operates at a fixed frequency of 570 kHz, providing a balance between efficiency and size.
4. Conversion Efficiency: High efficiency, exceeding 90% in optimal conditions.
5. Thermal Performance: Comes with an integrated MOSFET for better thermal management and reduced component count.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
7. Adjustable Output Voltage: Output voltage can be set using an external resistor divider for flexibility.
8. Soft Start: Built-in soft start to minimize inrush current during startup.
9. Compact Packaging: Available in an 8-pin SO PowerPAD package, allowing for efficient heat dissipation.
This makes the TPS54531DDAR well-suited for applications including telecom, consumer electronics, and industrial power systems.
Pinout
The TPS54531DDAR is a step-down (buck) DC-DC converter from Texas Instruments. It is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. BOOT: This pin is used to supply the drive voltage for the high-side N-channel MOSFET switch.
2. VIN: The input voltage supply pin for the converter, typically ranging from 5.5V to 28V.
3. EN: The enable pin that turns the regulator on or off. A logic high enables the device.
4. SS/TR: Soft-start/tracking pin used to control the output voltage startup behavior.
5. COMP: Compensation pin used for external compensation of the control loop.
6. GND: Ground pin, which is the reference point for the converter.
7. SW: The switch node pin where the inductor is connected. It is the output of the high-side switch.
8. VSENSE: Feedback pin used to sense the output voltage for regulation.
The TPS54531 is designed for efficient power conversion and is commonly used in various applications requiring a stable output voltage from a variable input voltage source.
1. BOOT: This pin is used to supply the drive voltage for the high-side N-channel MOSFET switch.
2. VIN: The input voltage supply pin for the converter, typically ranging from 5.5V to 28V.
3. EN: The enable pin that turns the regulator on or off. A logic high enables the device.
4. SS/TR: Soft-start/tracking pin used to control the output voltage startup behavior.
5. COMP: Compensation pin used for external compensation of the control loop.
6. GND: Ground pin, which is the reference point for the converter.
7. SW: The switch node pin where the inductor is connected. It is the output of the high-side switch.
8. VSENSE: Feedback pin used to sense the output voltage for regulation.
The TPS54531 is designed for efficient power conversion and is commonly used in various applications requiring a stable output voltage from a variable input voltage source.
Manufacturer
The TPS54531DDAR is manufactured by Texas Instruments Incorporated. Texas Instruments, commonly known as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. These products are used in a wide range of electronic applications, including consumer electronics, automotive systems, industrial machinery, and communication devices. TI is one of the largest semiconductor companies globally and is known for its focus on innovation and engineering excellence. The company serves a diverse customer base and has a significant presence in both the analog and embedded processing sectors.
Application
The TPS54531DDAR is a step-down (buck) DC-DC converter designed for applications requiring efficient voltage regulation. Key application areas include:
1. Consumer Electronics: Power regulation in devices like routers, set-top boxes, and TVs.
2. Industrial: Used in automation systems and control equipment for stable power supply.
3. Telecommunications: Provides power management in telecom infrastructure and networking devices.
4. Computing: Powers components in motherboards, graphic cards, and servers.
5. Automotive: Used in infotainment systems and other electronic control units requiring stable voltage.
Its versatility in delivering 5A output current with high efficiency makes it suitable for various electronic applications requiring reliable power management.
1. Consumer Electronics: Power regulation in devices like routers, set-top boxes, and TVs.
2. Industrial: Used in automation systems and control equipment for stable power supply.
3. Telecommunications: Provides power management in telecom infrastructure and networking devices.
4. Computing: Powers components in motherboards, graphic cards, and servers.
5. Automotive: Used in infotainment systems and other electronic control units requiring stable voltage.
Its versatility in delivering 5A output current with high efficiency makes it suitable for various electronic applications requiring reliable power management.
Package
The TPS54531DDAR is a DC-DC converter from Texas Instruments, housed in an 8-pin SO PowerPAD (DDA) package. This package type features an exposed thermal pad for improved heat dissipation, making it suitable for applications requiring efficient power management and compact design.
