LTC3565IMSE#TRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3565IMSE#TRPBF is a constant frequency, synchronous step-down DC/DC converter from Analog Devices Inc. It operates from an input voltage range of 2.5V to 5.5V and delivers up to 1.25A of output current. The device features an adjustable output voltage ranging from 0.6V to 5.5V. It integrates a 4MHz switching frequency and maintains a quiescent current of 40µA. The component is housed in a 10-lead MSOP package and supports operation temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-efficiency synchronous buck topology with a fixed 4MHz switching frequency for compact passive component sizing.
• Features low quiescent current consumption to maintain efficiency during light-load conditions.
• Includes internal soft-start functionality to limit inrush current during startup sequences.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring efficient voltage regulation
• Industrial control systems operating within standard voltage rails
• Distributed power supply architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing. Confirm the IMSE variant corresponds to the MSOP-10 package type required for your PCB layout. Ensure compatibility with the 2.5V to 5.5V input range for your specific application voltage. Check for RoHS compliance documentation if required by your manufacturing standards.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring a compact solution with integrated power switches. The 4MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the 1.25A current limit when designing for peak load requirements. The wide input voltage range accommodates single-cell lithium-ion or nickel-metal hydride battery sources.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3565 family of synchronous step-down converters designed for medium-power applications. It is manufactured by Analog Devices Inc. and falls under the PMIC category. The device is intended to replace linear regulators in battery-operated systems to improve overall system efficiency and thermal performance.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official Analog Devices documentation for direct pin-compatible substitutes within the LTC356x series. Verify that alternative components support the same 4MHz switching frequency and 1.25A current rating to ensure circuit stability without redesigning the external passive network.