LTC3729EG#TRPBF

$7.38

Description：IC REG CTRLR BUCK 28SSOP
Series：PolyPhase®
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:97180402c897 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3729EG#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 28SSOP. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3729EG#TRPBF

Description：IC REG CTRLR BUCK 28SSOP
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)：4V ~ 36V
Frequency - Switching：260kHz ~ 550kHz
Duty Cycle (Max)：99.50%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Enable, Phase Control, Power Good, Soft Start
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：28-SSOP (0.209", 5.30mm Width)
Supplier Device Package：28-SSOP
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for LTC3729EG#TRPBF

LTC3729EG#TRPBF

DC DC Switching Controllers Overview

The LTC3729EG#TRPBF is a PolyPhase, high-efficiency, synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4V to 36V and supports up to 40A output current across one output channel. The device utilizes a fixed 550kHz switching frequency and features a SSOP-28 package for surface mount installation. It maintains a load regulation of 0.1% and draws 580µA in operating power current. The component functions within a temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

Supports PolyPhase operation for reduced input and output ripple currents
Features true remote sensing via internal differential amplifier
Includes OPTI-LOOP compensation for optimized transient response
Provides low dropout operation with duty cycle capability up to 99%

DC DC Switching Controllers Applications

Desktop computer power distribution
Server motherboard voltage regulation
Large memory array power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix EG#TRPBF against official Analog Devices documentation to confirm the SSOP-28 package type and tube packaging configuration. Ensure compatibility with the required thermal dissipation requirements for the target application environment. Cross-reference the datasheet revision date to confirm pinout consistency and electrical characteristics match the design specifications before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this controller when designing multi-phase buck converters requiring high current delivery and precise voltage regulation. It is suitable for applications needing wide input voltage tolerance and efficient power conversion. Consider the external MOSFET selection carefully to leverage the current-mode control architecture. Evaluate the need for remote sensing capabilities to ensure accuracy over long PCB traces.

DC DC Switching Controllers Part Context

This component belongs to the LTC3729 series of PolyPhase controllers designed for high-performance DC/DC conversion. It serves as a core power management integrated circuit (PMIC) within the broader portfolio of Analog Devices switching regulators. The part is engineered to drive external N-channel power MOSFET stages, distinguishing it from monolithic solutions that integrate switches internally.