Спецификации
| Атрибут | Ценность |
| 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) | 3.5V |
| Voltage-Input(Max) | 36V |
| Voltage-Output(Min/Fixed) | 1V |
| Voltage-Output(Max) | 28V |
| Current-Output | 3A |
| Frequency-Switching | 200kHz ~ 2.2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-PowerTSSOP (0.173, 4.40mm Width) |
Обзор
Description
The LM43603PWPR is a synchronous step-down DC-DC converter from Texas Instruments. It is part of the LM4360x series, designed to provide high efficiency and performance in compact applications. The device features a wide input voltage range from 3.5V to 36V, making it suitable for various applications, including industrial and automotive systems. It delivers up to 3A of continuous output current, with a switching frequency that can be adjusted from 200 kHz to 2.2 MHz, allowing for flexibility in design and component selection.
The LM43603PWPR incorporates advanced features such as internal compensation, current mode control, and an adjustable soft-start, which provides ease of use and stable operation. It also includes protection mechanisms like overcurrent, thermal shutdown, and undervoltage lockout to enhance system reliability. The device is available in a compact PowerPAD WSON package, which aids in efficient thermal management. Overall, the LM43603PWPR is a versatile and efficient solution for high-performance power supply designs.
The LM43603PWPR incorporates advanced features such as internal compensation, current mode control, and an adjustable soft-start, which provides ease of use and stable operation. It also includes protection mechanisms like overcurrent, thermal shutdown, and undervoltage lockout to enhance system reliability. The device is available in a compact PowerPAD WSON package, which aids in efficient thermal management. Overall, the LM43603PWPR is a versatile and efficient solution for high-performance power supply designs.
Equivalent
The LM43603PWPR is a 3.5V-36V, 3A step-down voltage regulator. Equivalent products include:
1. Texas Instruments LMR33630 - Similar specifications with enhanced features.
2. Microchip Technology MCP16301-H - 3.0V-30V, 600mA step-down regulator.
3. ON Semiconductor NCP3170 - 4.5V-36V, 3A step-down regulator.
4. Analog Devices ADP2441 - 3.0V-36V, 1A step-down regulator.
5. STMicroelectronics L7985 - 4.5V-38V, 3A step-down regulator.
These alternatives vary in input voltage range, output current, and additional features, so ensure compatibility with your specific application.
1. Texas Instruments LMR33630 - Similar specifications with enhanced features.
2. Microchip Technology MCP16301-H - 3.0V-30V, 600mA step-down regulator.
3. ON Semiconductor NCP3170 - 4.5V-36V, 3A step-down regulator.
4. Analog Devices ADP2441 - 3.0V-36V, 1A step-down regulator.
5. STMicroelectronics L7985 - 4.5V-38V, 3A step-down regulator.
These alternatives vary in input voltage range, output current, and additional features, so ensure compatibility with your specific application.
Features
The LM43603PWPR is a synchronous step-down DC-DC converter from Texas Instruments. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 3.5V to 36V, making it versatile for various applications.
2. Output Current: Capable of delivering up to 3A continuous output current.
3. Efficiency: High efficiency over a wide load range due to its synchronous rectification feature.
4. Adjustable Output Voltage: Provides an adjustable output voltage ranging from 1V to 28V.
5. Switching Frequency: Features a switching frequency of up to 2.2 MHz with synchronization capability.
6. Protection Features: Includes built-in protection such as cycle-by-cycle current limit, thermal shutdown, and output short-circuit protection.
7. Soft-Start: Incorporates a programmable soft-start feature to limit inrush current during startup.
8. Low Quiescent Current: Designed for low standby current to enhance battery life in portable applications.
9. Package: Available in a thermally enhanced 16-pin TSSOP package with PowerPAD™ for better heat dissipation.
These features make the LM43603PWPR suitable for industrial, automotive, and general-purpose power management applications.
1. Input Voltage Range: Supports a wide input voltage range from 3.5V to 36V, making it versatile for various applications.
2. Output Current: Capable of delivering up to 3A continuous output current.
3. Efficiency: High efficiency over a wide load range due to its synchronous rectification feature.
4. Adjustable Output Voltage: Provides an adjustable output voltage ranging from 1V to 28V.
5. Switching Frequency: Features a switching frequency of up to 2.2 MHz with synchronization capability.
6. Protection Features: Includes built-in protection such as cycle-by-cycle current limit, thermal shutdown, and output short-circuit protection.
7. Soft-Start: Incorporates a programmable soft-start feature to limit inrush current during startup.
8. Low Quiescent Current: Designed for low standby current to enhance battery life in portable applications.
9. Package: Available in a thermally enhanced 16-pin TSSOP package with PowerPAD™ for better heat dissipation.
These features make the LM43603PWPR suitable for industrial, automotive, and general-purpose power management applications.
Pinout
The LM43603PWPR is a step-down voltage regulator from Texas Instruments. It comes in a 20-pin HTSSOP (PWP) package. This device is designed for converting a higher input voltage to a lower output voltage efficiently, and it can deliver up to 3 A of output current. Key functions of the LM43603 include its wide input voltage range, high efficiency, low quiescent current, and excellent line and load regulation.
The 20 pins on the LM43603PWPR serve various functions such as input voltage (VIN), output voltage (VOUT), switching node (SW), ground (GND), and feedback (FB). Other pins are used for features like enable (EN), compensation (COMP), and bootstrap (BOOT) to support the operation of the internal MOSFETs and optimize performance. The device also includes features for protection such as thermal shutdown and current limiting, making it suitable for a range of applications in the automated and industrial sectors.
The 20 pins on the LM43603PWPR serve various functions such as input voltage (VIN), output voltage (VOUT), switching node (SW), ground (GND), and feedback (FB). Other pins are used for features like enable (EN), compensation (COMP), and bootstrap (BOOT) to support the operation of the internal MOSFETs and optimize performance. The device also includes features for protection such as thermal shutdown and current limiting, making it suitable for a range of applications in the automated and industrial sectors.
Manufacturer
The LM43603PWPR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world, and its products are used in a wide array of electronic devices and systems, including automotive, industrial, personal electronics, and communications equipment. TI is well-known for its innovation in analog technology, embedded processing, and wireless technology.
Application
The LM43603PWPR is a step-down DC-DC converter designed for various power management applications. It is commonly used in areas such as industrial automation, automotive systems, telecommunications, and consumer electronics. Its main application is to efficiently convert higher DC voltages to lower levels, making it suitable for powering microcontrollers, sensors, and other low-voltage devices in these sectors. It supports applications requiring stable power over a wide input voltage range, making it ideal for systems with variable input conditions. Its compact design and high efficiency also make it suitable for portable and space-constrained applications.
Package
The LM43603PWPR is a DC-DC buck converter from Texas Instruments, and it comes in a HTSSOP (Heat-Sink Thin Shrink Small Outline Package) package type. Specifically, it is a 20-pin PowerPAD package designed to enhance thermal performance.
