Texas Instruments

LM43603PWP  

DC Switching Voltage Regulators

LM43603PWP Description

The LM43603PWP from Texas Instruments is a high-performance, 3A synchronous buck converter designed for efficient power management in demanding applications. Part of the SIMPLE SWITCHER® series, it features an adjustable output voltage (1V to 28V) and a wide input voltage range (3.5V to 36V), making it versatile for industrial, automotive, and consumer electronics. The device operates at a switching frequency of 200kHz to 2.2MHz, allowing for optimization between efficiency and component size. Its synchronous rectification enhances efficiency, while the 16-pin HTSSOP package ensures compact PCB integration.

LM43603PWP Features

• High Efficiency: Synchronous rectification minimizes power loss, achieving peak efficiency.
• Wide Input Range: Supports 3.5V–36V inputs, ideal for battery-powered and industrial systems.
• Adjustable Output: Configurable from 1V to 28V for flexible design requirements.
• High Switching Frequency: Up to 2.2MHz enables smaller external components.
• Robust Protection: Includes thermal shutdown, UVLO, and cycle-by-cycle current limiting.
• Compact Design: 16-pin HTSSOP (PowerPAD™) package optimizes space-constrained layouts.
• Compliance: ROHS3 and REACH compliant, suitable for global markets.

LM43603PWP Applications

• Industrial Automation: Power supplies for PLCs, motor drives, and sensors.
• Automotive Systems: Infotainment, ADAS, and lighting modules.
• Telecom/Networking: Point-of-load (POL) regulation in routers and switches.
• Consumer Electronics: Portable devices, IoT hubs, and smart home systems.
• Renewable Energy: Solar inverters and battery management systems.

Conclusion of LM43603PWP

The LM43603PWP stands out as a high-efficiency, compact buck converter with broad input/output flexibility, making it ideal for space-constrained, high-reliability applications. Its synchronous architecture, adjustable frequency, and robust protection ensure superior performance in industrial, automotive, and telecom systems. For engineers seeking a versatile, high-current regulator, this device offers an optimal balance of power density, efficiency, and reliability.

LM43603PWP Documents

Download datasheets and manufacturer documentation for LM43603PWP

PCN Assembly/Origin :

Wafer Fab Site Add 29/Mar/2017      

Datasheets :

LM43603      

Reference Design Library :

LM43603PWPEVM: 3.3V @ 3A, 3.5 ~ 36V in, Buck       PMP9483: 5V, 1.8V, & 2.5V @ 1A, 7 ~ 30V in       PMP9454: 5V @ 3A, 7 ~ 36V in, Buck      

Design Resources :

LM43603 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM43603      

PCN Design/Specification :

LM43603PWPx Die Rev Chg 16/Dec/2015       Symbolization Update 14/Feb/2023