LTC3784MPGN#PBF

DC DC Switching Controllers Overview

The LTC3784MPGN#PBF is a PolyPhase synchronous boost controller from Analog Devices Inc., designed for high-efficiency power conversion. It operates with an input voltage range of 2.3V to 60V and supports adjustable output voltages from 1.2V to 60V. The device features a switchable frequency range between 105kHz and 760kHz, ensuring optimal performance across various load conditions. With a quiescent current of 28µA, it offers low standby power consumption. The component is housed in a 28-SSOP package and is rated for operation within a temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Supports multiphase synchronous boost topology for enhanced current handling and thermal distribution
• Integrates low quiescent current operation to minimize power loss during light-load or standby modes
• Provides programmable switching frequency to optimize external component size and efficiency
• Includes comprehensive protection features such as cycle-by-cycle current limiting and soft-start

DC DC Switching Controllers Applications

• Industrial power supply systems requiring high voltage step-up
• Telecommunications infrastructure equipment
• Battery-powered devices needing extended runtime through efficient boosting
• Automotive electronics operating under wide input voltage variations

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'MPGN' against official Analog Devices documentation to confirm military-grade qualification and exact pinout compatibility. Ensure that the ordering information matches the required temperature range and package variant. Cross-reference the datasheet revision date to validate feature availability and electrical specifications before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this controller when designing boost converters that require high input voltages up to 60V and precise multiphase control. Consider the 28-SSOP package constraints for PCB layout and thermal management. Evaluate the need for external MOSFETs based on the target output current, as the IC acts as a controller rather than an integrated switch. Compare against standard commercial grades if environmental ruggedness is not required.

DC DC Switching Controllers Part Context

This component belongs to the LTC3784 family of PolyPhase synchronous boost controllers manufactured by Analog Devices Inc. The series is characterized by its ability to drive multiple phases of external N-channel MOSFETs for high-power applications. The MP prefix typically indicates a military-grade version, distinguishing it from commercial variants like the EG or EU prefixes found in the broader product line.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include other LTC3784 variants such as LTC3784EGN#PBF or LTC3784EUFD#PBF, provided the package type and temperature rating align with design requirements. Verify pin-to-pin compatibility and electrical parameter equivalence before swapping.