LT1374IR-5SYNC#PBF

$8.55

Description：IC REG BCK SEPIC 5V 4.5A DDPAK-7
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:26decf43b08d Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BCK SEPIC 5V 4.5A DDPAK-7
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck, SEPIC
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：5V
Voltage - Input (Max)：25V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Current - Output：4.5A (Switch)
Frequency - Switching：500kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
Supplier Device Package：DDPAK-7

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LT1374IR-5SYNC#PBF

Overview

The LT1374IR-5SYNC#PBF is a monolithic buck switching regulator manufactured by Analog Devices Inc. It operates with a fixed 500kHz switching frequency and integrates a high-current switch capable of delivering up to 4.5A. The device accepts an input voltage range from 5V to 25V and provides a fixed 5V output. Key electrical parameters include a maximum output current of 3.6A, a quiescent current of 20µA in shutdown mode, and a supply current of 2.5mA during operation. It is housed in a DDPAK-7 surface-mount package and supports an operating temperature range from -40°C to +125°C.

Feature Summary

Integrates a 4.5A power switch for high-current step-down conversion
Features a constant 500kHz switching frequency to minimize external component size
Includes cycle-by-cycle current limiting for robust protection
Supports easy synchronization to an external clock signal

Applications

Point-of-load regulation for industrial systems
Power supplies for embedded controllers
Battery-powered equipment requiring efficient step-down conversion

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout compatibility and internal circuitry variations. Ensure the selected variant matches the required thermal performance and package constraints for the target application design.

Selection Notes

Select this regulator when a fixed 5V output is required at high currents. The integrated 4.5A switch allows for compact designs using small inductors. Verify that the input voltage remains within the specified 5V to 25V range to ensure stable operation and optimal efficiency across the load profile.

Part Context

This component belongs to the LT1374 family of high-efficiency switching regulators. The series is characterized by its ability to deliver significant current while maintaining a small footprint through high-frequency operation. It serves as a core power management solution for applications demanding reliable DC-DC conversion.