LM43602PWPR

Voltage Regulators - DC DC Switching Regulators Overview

The LM43602 is a synchronous step-down DC/DC converter featuring an integrated high-side N-channel MOSFET. It operates with an input voltage range of 2.7V to 5.5V and delivers up to 2A output current. The device utilizes fixed-frequency pulse-width modulation (PWM) control at selectable frequencies of 1MHz or 2.2MHz. Internal compensation simplifies external component selection, while comprehensive protection features include overcurrent protection, thermal shutdown, and soft-start functionality.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side N-channel power switch for compact design
• Fixed-frequency PWM operation with selectable switching frequencies
• Internal frequency compensation reduces external component count
• Comprehensive protection including overcurrent, thermal shutdown, and soft-start

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics powered by single-cell lithium-ion batteries
• Point-of-load regulation for digital signal processors and microcontrollers
• Battery-powered handheld devices requiring efficient voltage conversion
• Embedded systems with strict space constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'PWPR' indicates the TSSOP-10 package and tape-and-reel packaging configuration. Confirm the operating temperature range matches your application requirements. Ensure compatibility with the intended input voltage and load current specifications before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for low-voltage, high-current applications. The integrated switch eliminates the need for external power transistors. Consider the 2.2MHz option for smaller inductor sizes if electromagnetic interference is less critical than board area.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to Texas Instruments' LMx360x family of synchronous buck converters. These devices are designed for efficiency and small footprint in portable applications. The LM43602 specifically targets sub-3A current loads with integrated power stages.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check datasheets for LM43600 or LM43601 for similar performance with different current ratings. Verify pinout compatibility and electrical parameters before substituting. Ensure the replacement supports the required input voltage range and switching frequency options.