LTC3621IDCB#TRMPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3621IDCB#TRMPBF is a high-efficiency, synchronous monolithic step-down regulator from Analog Devices. It operates with an input voltage range of 2.7 V to 17 V and delivers up to 1 A of output current. The device features a fixed switching frequency of 1 MHz or 2.25 MHz, with a synchronization range of ±40%. It achieves efficiencies up to 95% and maintains ultra-low quiescent current across a wide output voltage range.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology for high efficiency
• Ultra-low quiescent current operation
• Fixed 1 MHz or 2.25 MHz switching frequency
• Wide input voltage capability

Voltage Regulators - DC DC Switching Regulators Applications

• Portable instrumentation
• Industrial control systems
• Battery-powered equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #TRMPBF indicates tape and reel packaging configuration. Confirm the temperature grade 'I' matches industrial requirements. Ensure the order quantity aligns with the manufacturer's standard reel size specifications. Cross-reference the datasheet revision date to ensure compatibility with design constraints.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for converting higher voltages to lower rails efficiently. The fixed frequency simplifies filter design compared to variable frequency regulators. Consider the thermal performance in the DCB package for the expected load conditions. Verify that the input voltage never drops below the minimum operating threshold.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3621 family of synchronous step-down regulators. It shares core architecture with variants like the LTC3621EDCB and LTC3621IMS8E, differing primarily in package type and temperature rating. The IDCB designation specifies the industrial temperature range and DFN package style.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other parts within the LTC3621 series such as LTC3621EDCB#TRMPBF or LTC3621EMS8E#TRPBF, depending on package preference. Verify pinout compatibility before substitution.