LTC3728LEGN-1#TRPBF

$5.88

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

SKU:709452c18e46 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3728LEGN-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 28SSOP. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3728LEGN-1#TRPBF

Description：IC REG CTRLR BUCK 28SSOP
Series：-
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 ~ 28V
Frequency - Switching：260kHz ~ 550kHz
Duty Cycle (Max)：99.40%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Power Good, Soft Start
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：28-SSOP (0.154", 3.90mm Width)
Supplier Device Package：28-SSOP

DC DC Switching Controllers datasheet and documents for LTC3728LEGN-1#TRPBF

LTC3728LEGN-1#TRPBF

DC DC Switching Controllers Overview

The LTC3728LEGN-1#TRPBF is a dual high-performance synchronous buck switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4.5V to 28V and supports a switching frequency of 550kHz. The device provides two independent output channels, capable of delivering up to 25A per channel depending on external component selection. It features a low static current of 20µA and a typical operating supply current of 450µA. Designed for surface-mount installation, it utilizes an SSOP-28 package and functions reliably across an industrial temperature range from -40°C to +85°C.

DC DC Switching Controllers Feature Summary

Dual-channel architecture driving all N-channel synchronous power MOSFET stages
Integrated soft-start, enable, and power-good control features
Low quiescent current operation for improved efficiency in standby modes

DC DC Switching Controllers Applications

Industrial distributed power systems
Telecommunications infrastructure equipment
Point-of-load regulation modules

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and tape-and-reel configuration. Ensure compatibility with required thermal management solutions for the SSOP-28 footprint. Cross-reference electrical specifications with the latest manufacturer datasheet to validate performance under intended load conditions.

DC DC Switching Controllers Selection Notes

Select this component when designing dual-output DC-DC converters requiring wide input voltage ranges and high current capabilities. Evaluate thermal dissipation requirements based on the target output currents and ambient operating temperatures. Confirm that the chosen inductor and capacitor values align with the 550kHz switching frequency for optimal stability.

DC DC Switching Controllers Part Context

This part belongs to the LTC3728L family of dual synchronous buck controllers. These devices are engineered for applications demanding high efficiency and compact board space. The family typically includes variants with different packaging options and pin configurations to suit diverse layout constraints while maintaining consistent core control logic.