LM53603AMPWPR

Voltage Regulators - DC DC Switching Regulators Overview

The LM53603AMPWPR is a fully integrated synchronous buck converter designed for automotive applications. It operates with an input voltage range of 3.9V to 36V and delivers up to 3A output current. The device features a fixed switching frequency of 2.1MHz and supports adjustable output voltages from 3.3V to 10V. It is housed in a 16-PowerTSSOP package and is qualified under AEC-Q100 standards for automotive reliability.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Fully integrated synchronous buck topology optimized for automotive environments
• High switching frequency enables the use of compact external components
• Automotive grade qualification ensures reliability in demanding conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Efficient automotive USB charger designs
• Point-of-load regulation in vehicle electronics
• General DC-DC conversion in automotive power systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix AMPWPR against official Texas Instruments documentation to confirm the exact package type and tape-and-reel configuration. Ensure compatibility with your PCB footprint and reflow soldering profile requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring high efficiency and compact size. The 2.1MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Verify that the required output voltage falls within the adjustable range and that the load current does not exceed the 3A limit.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5360x family of automotive-grade synchronous buck regulators. These devices are engineered to provide robust performance in harsh automotive electrical environments, offering high efficiency and thermal stability across the specified operating temperature range.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for pin-compatible or functionally equivalent parts within the LM5360x series. Verify that any alternative maintains the same input voltage range, output current capability, and automotive qualification status.