LM43603DSUR

Voltage Regulators - DC DC Switching Regulators Overview

The LM43603DSUR is a synchronous step-down voltage converter from Texas Instruments, part of the SIMPLE SWITCHER family. It operates with an input voltage range of 3.5 V to 36 V and delivers up to 3 A of output current. The device features adjustable output voltages between 1 V and 28 V. It supports switching frequencies from 200 kHz to 2.2 MHz and includes integrated power MOSFETs. The component is housed in a 16-pin SON package and is designed for operation across temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency
• Wide input voltage range supporting various supply rails
• Adjustable output voltage capability
• Flexible switching frequency selection

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power supplies for embedded computing systems
• Battery-powered devices requiring efficient conversion
• Telecommunications infrastructure power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DSUR against official datasheets to confirm package type and reel specifications. Ensure compatibility with required thermal management solutions given the SON packaging. Confirm availability status directly with authorized distributors as stock levels fluctuate. Validate that the selected variant meets all necessary regulatory compliance requirements for your target market.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 3 A output current is required within a compact footprint. Consider the wide input voltage range for applications with varying source conditions. Evaluate the need for external frequency synchronization if noise constraints exist. Compare against lower current variants like the LM43602 if load demands are reduced to optimize cost and size.

Voltage Regulators - DC DC Switching Regulators Part Context

This regulator belongs to the SIMPLE SWITCHER series, known for integrating control circuitry and power switches into a single solution. It simplifies design by reducing external component count compared to discrete solutions. The family offers multiple current ratings to suit diverse power needs while maintaining consistent pinouts and design methodologies across models.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM43603PWPT serves as a pin-compatible alternative in a PowerTSSOP package.