Texas Instruments

LM53603AMPWPT  

DC Switching Voltage Regulators

LM53603AMPWPT Description

The LM53603AMPWPT is a high-performance, automotive-grade DC switching voltage regulator designed by Texas Instruments. This regulator offers an adjustable output voltage, making it highly versatile for a wide range of applications. It features a broad input voltage range from 3.9V to 36V, ensuring compatibility with various power sources. The regulator can deliver a maximum output current of 3A, making it suitable for demanding applications that require high power delivery. The output voltage is adjustable from 3.3V to 10V, providing flexibility to meet specific system requirements.

The LM53603AMPWPT employs a buck topology with a switching frequency of 2.1MHz, which allows for the use of smaller inductors and capacitors, thereby reducing the overall footprint and cost of the solution. The device is equipped with a synchronous rectifier, enhancing efficiency and reducing power loss. It is packaged in a 16-lead HTSSOP package, which is ideal for surface-mount applications, ensuring robustness and ease of integration into modern electronic systems.

LM53603AMPWPT Features

• Adjustable Output Voltage: The LM53603AMPWPT offers an adjustable output voltage range from 3.3V to 10V, providing flexibility to meet diverse system requirements.
• Wide Input Voltage Range: With an input voltage range of 3.9V to 36V, the regulator is compatible with a variety of power sources, enhancing its versatility.
• High Output Current Capability: Capable of delivering up to 3A of output current, the regulator is suitable for applications requiring high power delivery.
• High Switching Frequency: The 2.1MHz switching frequency allows for the use of smaller inductors and capacitors, reducing the overall size and cost of the solution.
• Synchronous Rectification: The inclusion of a synchronous rectifier improves efficiency and reduces power loss, making the regulator ideal for high-performance applications.
• Automotive Grade: Certified for automotive applications, the LM53603AMPWPT meets stringent reliability and performance standards required for automotive electronics.
• Compliance and Reliability: The regulator is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. It also features a moisture sensitivity level (MSL) of 3, suitable for extended storage periods.

LM53603AMPWPT Applications

The LM53603AMPWPT is ideal for a variety of applications, particularly in the automotive sector, where reliability and performance are critical. Its adjustable output voltage and high current capability make it suitable for powering electronic control units (ECUs), infotainment systems, and advanced driver-assistance systems (ADAS). The regulator's wide input voltage range and high switching frequency also make it suitable for industrial applications, such as motor drives, PLCs, and power supplies.

Conclusion of LM53603AMPWPT

The LM53603AMPWPT from Texas Instruments is a robust and versatile DC switching voltage regulator designed to meet the demanding requirements of modern automotive and industrial applications. Its adjustable output voltage, wide input voltage range, and high output current capability make it a flexible solution for various power management needs. The inclusion of a synchronous rectifier and high switching frequency ensures high efficiency and reduced power loss, while its automotive-grade certification guarantees reliability and durability. The LM53603AMPWPT is an excellent choice for engineers seeking a high-performance, cost-effective, and environmentally friendly power management solution.

LM53603AMPWPT Documents

Download datasheets and manufacturer documentation for LM53603AMPWPT

Datasheets :

LM53602, LM53603 Datasheet      

HTML Datasheet :

LM53602, LM53603 Datasheet      

PCN Design/Specification :

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