Texas Instruments

LM43603PWPR  

DC Switching Voltage Regulators

The Texas Instruments LM43603PWPR is a high-performance, step-down (buck) switching regulator that is designed to provide efficient power conversion for a wide range of applications. Here is a description of the model, its features, and potential applications:

Description:

The LM43603PWPR is a monolithic step-down switching regulator that integrates high-side and low-side MOSFETs, as well as a high-precision reference and error amplifier. It is designed to operate from input voltages as high as 60V and can deliver up to 3A of continuous output current. The device is available in a small, thermally enhanced PowerPad package, making it suitable for space-constrained applications.

Features:

1. Input Voltage Range: Capable of operating from 4.5V to 60V input voltages.
2. Output Current: Can deliver up to 3A of continuous output current.
3. High Efficiency: Features high efficiency over a wide load range, which is crucial for battery-powered applications.
4. Integrated MOSFETs: Includes high-side and low-side MOSFETs for efficient power conversion.
5. Precision Reference: A high-precision reference and error amplifier are integrated for stable operation.
6. Thermal Management: The PowerPad package provides enhanced thermal performance, allowing for higher power dissipation.
7. Protection Features: Includes over-current protection, over-temperature protection, and thermal shutdown to safeguard the device and the system.
8. Small Form Factor: Suitable for compact designs due to its small package size.
9. Wide Output Voltage Range: Can provide a wide range of output voltages, making it versatile for different applications.

Applications:

1. Portable Devices: Due to its efficiency and small size, it's ideal for powering portable electronics like smartphones, tablets, and wearable devices.
2. Power Banks: Can be used to efficiently step down voltage from a high-capacity battery to charge or power devices.
3. Industrial Equipment: Suitable for powering various industrial equipment that requires a stable and regulated power supply.
4. Medical Devices: The precision and stability of the LM43603PWPR make it suitable for use in medical devices where reliability is critical.
5. Automotive Applications: Can be used in automotive systems where a wide range of input voltages is expected.
6. LED Lighting: Efficiently driving high-current LED lighting systems.
7. Telecommunications: For powering and regulating power supplies in communication equipment.

The LM43603PWPR is a versatile and efficient switching regulator that can be used in a variety of applications where a stable and precise power supply is required. Its high efficiency and integrated features make it a popular choice for designers looking to optimize power management in their systems.

LM43603PWPR Documents

Download datasheets and manufacturer documentation for LM43603PWPR

PCN Assembly/Origin :

Wafer Fab Site Add 29/Mar/2017      

Datasheets :

LM43603      

Reference Design Library :

LM43603PWPEVM: 3.3V @ 3A, 3.5 ~ 36V in, Buck      

Design Resources :

LM43603 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM43603      

PCN Design/Specification :

Symbolization Update 14/Feb/2023       Design 22/Feb/2022