LTC3838IFE#PBF

DC DC Switching Controllers Overview

The LTC3838IFE#PBF is a dual-channel, synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4.5 V to 38 V and supports output voltages from 600 mV to 5.5 V. The device features two independent channels capable of driving up to 30 A per output. Key electrical parameters include a switching frequency of 2 MHz, a quiescent current of 15 uA, and a load regulation of -1.5%. It is housed in a QFN-38 package and functions as a high-performance power management IC.

DC DC Switching Controllers Feature Summary

• Dual independent channels for multi-phase or separate output configurations
• Integrated differential output sensing for improved load regulation accuracy
• Supports N-channel power MOSFETs for efficient synchronous rectification

DC DC Switching Controllers Applications

• Polyphase synchronous step-down DC/DC switching regulator controllers
• High-current point-of-load (POL) power distribution systems
• Industrial equipment requiring precise dual-rail power sequencing

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and tape/reel specifications. Ensure compatibility with required thermal dissipation standards for the QFN-38 footprint. Confirm RoHS compliance status through the manufacturer's latest material declaration before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component when dual isolated or polyphase buck conversion is required within a 38 V input limit. The integrated differential sensing feature addresses voltage drop issues in high-current PCB traces. Evaluate thermal performance requirements given the 30 A channel capability and ensure adequate heatsinking for the QFN-38 package in dense layouts.

DC DC Switching Controllers Part Context

This part belongs to the LTC3838-1 series of fast, accurate buck DC/DC controllers. It is designed for applications demanding high efficiency and tight regulation across wide input ranges. The device complements other Linear Technology PMICs by offering specialized dual-channel control without external compensation complexity.

DC DC Switching Controllers Replacement Considerations

LTC3838IUHF-1#PBF

DC DC Switching Controllers FAQ

What is the maximum input voltage supported by the LTC3838IFE#PBF?

The maximum input voltage is 38 V.

Does the LTC3838IFE#PBF support differential output sensing?

Yes, it includes dedicated pins for differential output sensing to improve accuracy.