LTC3731HG#PBF

$13.23

Description：IC REG CTRLR BUCK 36SSOP
Series：PolyPhase®
Mfr：Analog Devices Inc.
Package：Tube

SKU:7eb2a226f96e Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3731HG#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 36SSOP. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3731HG#PBF

Description：IC REG CTRLR BUCK 36SSOP
Series：PolyPhase®
Mfr：Analog Devices Inc.
Package：Tube
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：3
Output Phases：3
Voltage - Supply (Vcc/Vdd)：3.8V ~ 7V
Frequency - Switching：225kHz ~ 680kHz
Duty Cycle (Max)：98.50%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Phase Control, Power Good, Soft Start
Operating Temperature：-40°C ~ 140°C (TJ)
Mounting Type：Surface Mount
Package / Case：36-SSOP (0.209", 5.30mm Width)
Supplier Device Package：36-SSOP
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for LTC3731HG#PBF

LTC3731HG#PBF

DC DC Switching Controllers Overview

The LTC3731HG#PBF is a PolyPhase three-phase synchronous buck switching regulator controller manufactured by Analog Devices Inc. It operates at a fixed frequency of 600kHz and supports an input voltage range from 4.5V to 32V. The device features current-mode control with adjustable soft-start and provides outputs for driving external N-channel MOSFETs. It is housed in a 36-lead SSOP package and is rated for industrial operating temperatures between -40°C and 85°C.

DC DC Switching Controllers Feature Summary

PolyPhase architecture drives three phases of external power stages
Fixed 600kHz switching frequency operation
Current-mode control with adjustable soft-start

DC DC Switching Controllers Applications

High-density point-of-load converters
Industrial distributed power systems
Telecommunications equipment power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix HG against official Analog Devices documentation to confirm package type and temperature grade. Ensure compatibility with external MOSFET gate drive requirements. Confirm RoHS compliance status via the manufacturer datasheet before procurement.

DC DC Switching Controllers Selection Notes

Select this component when designing multi-phase buck converters requiring high efficiency and reduced ripple current. The fixed 600kHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the application requires three-phase interleaving to meet thermal and current density targets.

DC DC Switching Controllers Part Context

This part belongs to the LTC3731 family of PolyPhase controllers designed for high-current applications. It serves as a central controller for coordinating multiple power stages, enabling higher output currents while minimizing input and output capacitance requirements through phase interleaving.