LTC3838EUHF-1#TRPBF

$4.05

Description：IC REG CTRLR BUCK 38QFN
Series：PolyPhase®
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:094993516d21 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3838EUHF-1#TRPBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC REG CTRLR BUCK 38QFN. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3838EUHF-1#TRPBF

Description：IC REG CTRLR BUCK 38QFN
Series：PolyPhase®
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：2
Output Phases：2
Voltage - Supply (Vcc/Vdd)：4.5V ~ 38V
Frequency - Switching：200kHz ~ 2MHz
Duty Cycle (Max)：-
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：38-WFQFN Exposed Pad
Supplier Device Package：38-QFN (5x7)
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for LTC3838EUHF-1#TRPBF

LTC3838EUHF-1#TRPBF

DC DC Switching Controllers Overview

The LTC3838EUHF-1#TRPBF is a dual-channel, PolyPhase synchronous step-down DC/DC switching regulator controller manufactured by Analog Devices. It features two independent channels that drive all N-channel power MOSFETs. The device utilizes a controlled on-time, valley current mode control architecture to provide fast transient response without clock delay and constant frequency switching under steady load conditions. It supports an input voltage range of 4.5 V to 38 V and offers output voltages of 1.2 V or 1.5 V with up to 15 A per channel at a switching frequency of 350 kHz.

DC DC Switching Controllers Feature Summary

Dual-channel PolyPhase synchronous buck controller architecture
Controlled on-time valley current mode for fast transient response
Independent channel operation driving N-channel power MOSFETs

DC DC Switching Controllers Applications

High-current ASIC power supplies
Low voltage large current conversion systems
Telecommunications equipment power distribution

DC DC Switching Controllers Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging configuration. Confirm the EUHF-1 designation matches the required thermal and electrical specifications for the target application. Ensure compatibility with the intended PCB footprint and soldering profile for the QFN package. Cross-reference the manufacturer's latest datasheet for any updated environmental compliance or pinout modifications before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component when high efficiency and rapid transient response are critical for dual-rail or multi-phase single-output designs. The integrated valley current mode control simplifies compensation compared to traditional peak current mode controllers. Consider the wide input voltage range for applications requiring robust performance across varying supply conditions. Evaluate the thermal requirements of the QFN package for the expected current loads.

DC DC Switching Controllers Part Context

This part belongs to the LTC3838 family of high-performance synchronous buck controllers. It is designed for demanding power management applications requiring precise regulation and fast dynamic response. The device integrates advanced control algorithms to optimize performance in space-constrained environments typical of modern electronic systems.