LTC3864IMSE#TRPBF

DC DC Switching Controllers Overview

The LTC3864IMSE#TRPBF is a high-voltage synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 3.5V to 60V and supports a switching frequency between 50kHz and 850kHz. The device features a 12-MSOP-EP package and provides positive output configuration. Key electrical parameters include a maximum duty cycle of 100% and a quiescent current typical for low-power applications. It includes integrated control features such as current limit, enable, frequency control, power good indication, and soft start functionality.

DC DC Switching Controllers Feature Summary

• Supports 100% duty cycle operation for minimal dropout voltage requirements
• Wide operating input voltage range from 3.5V to 60V
• Integrated power good flag and soft-start capability
• Programmable switching frequency up to 850kHz

DC DC Switching Controllers Applications

• Industrial point-of-load regulation
• Telecommunications power distribution
• Embedded systems power management
• Automotive electronics supply chains

DC DC Switching Controllers Procurement Notes

Verify the specific suffix IMSE corresponds to the industrial temperature grade and MSOP-EP package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the trailing TRPBF indicates tape-and-reel packaging suitable for automated surface-mount assembly processes. Cross-reference the manufacturer part number against the latest datasheet revision to confirm pinout and electrical specifications match design requirements.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring high input voltage tolerance up to 60V in a compact footprint. The 100% duty cycle feature makes it suitable for battery-powered applications where minimizing voltage drop is critical. Evaluate thermal performance based on the exposed pad thermal characteristics of the MSOP-EP package. Ensure external inductor and capacitor selections support the programmable frequency range and desired ripple specifications.

DC DC Switching Controllers Part Context

This part belongs to the LTC3864 family of synchronous buck controllers designed for high-efficiency power conversion. It shares architectural similarities with other high-voltage regulators in the portfolio but is distinct in its single-phase topology and specific package options. The device complements Analog Devices' broader PMIC offerings by addressing mid-range voltage conversion needs in space-constrained environments.

DC DC Switching Controllers Replacement Considerations

LTC3864HMSE#PBF

DC DC Switching Controllers FAQ

Does the LTC3864 support negative output configurations?

No, the LTC3864 is designed specifically for positive output configurations, unlike the LTC3863 which supports inverting topologies.

What is the maximum operating junction temperature for this device?

The maximum operating junction temperature is specified at 150°C for the industrial grade version.