LTC3856IFE#PBF

$5.13

Description：IC REG CTRLR BUCK 38TSSOP
Series：PolyPhase®
Mfr：Analog Devices Inc.
Package：Tube

SKU:61168e5e6d17 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3856IFE#PBF 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 38TSSOP. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3856IFE#PBF

Description：IC REG CTRLR BUCK 38TSSOP
Series：PolyPhase®
Mfr：Analog Devices Inc.
Package：Tube
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：250kHz ~ 770kHz
Duty Cycle (Max)：94%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：38-TFSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package：38-TSSOP-EP
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for LTC3856IFE#PBF

LTC3856IFE#PBF

DC DC Switching Controllers Overview

The LTC3856IFE#PBF is a synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4.5 V to 38 V and supports output voltages from 600 mV to 5 V. The device delivers up to 60 A of output current through a single output configuration. It features a programmable switching frequency between 250 kHz and 770 kHz and maintains a typical static current of 40 uA. Designed for surface-mount installation, it utilizes a QFN-32 package and functions within a temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

Integrates a differential amplifier for true remote sensing of regulated supply terminals
Supports phase-lockable fixed frequency architecture for multi-phase expansion
Includes OPTI-LOOP compensation to optimize transient response across varying capacitance values

DC DC Switching Controllers Applications

Intel mobile CPU power delivery systems
High-current point-of-load regulation
Server and workstation power management

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation to confirm pinout and functional variations. Confirm RoHS compliance status directly with the manufacturer or authorized distributors. Ensure the QFN-32 package footprint matches the design requirements. Check for any limited availability or discontinuation notices prior to finalizing procurement plans.

DC DC Switching Controllers Selection Notes

Select this component when designing high-efficiency buck converters requiring precise remote sensing capabilities. The integrated differential amplifier eliminates errors associated with long PCB traces. Consider the wide input voltage range for flexible system architectures. Evaluate the thermal performance in the QFN-32 package for high-current applications exceeding standard limits.

DC DC Switching Controllers Part Context

This part belongs to the LTC3856 series of dual, two-phase synchronous step-down controllers. It is specifically engineered for demanding processor core voltage regulation tasks. The series emphasizes high efficiency and fast transient response through advanced current-mode control techniques and optimized gate driver characteristics.