LT1371CSW#PBF

$13.93

Description：IC REG BUCK BOOST ADJ 3A 20SO
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:b70e4c5dc92b Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK BOOST ADJ 3A 20SO
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration：Positive or Negative
Topology：Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：2.7V
Voltage - Input (Max)：30V
Voltage - Output (Min/Fixed)：1.245V
Voltage - Output (Max)：35V (Switch)
Current - Output：3A (Switch)
Frequency - Switching：500kHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Surface Mount
Package / Case：20-SOIC (0.295", 7.50mm Width)
Supplier Device Package：20-SO

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LT1371CSW#PBF

Overview

The LT1371CSW#PBF is a monolithic switching regulator IC manufactured by Analog Devices Inc. It supports multiple topologies including Buck, Boost, Cuk, Flyback, Forward, and SEPIC configurations. The device operates with an input voltage range of 2.7 V to 30 V and provides a switch current capability of 3 A. It features a fixed switching frequency of 500 kHz and an adjustable output voltage starting from 1.245 V. The component is housed in a 20-SOIC package (0.295 inch width) and is rated for operation between 0°C and +70°C.

Feature Summary

Supports versatile power conversion topologies such as Buck, Boost, Cuk, Flyback, Forward, and SEPIC within a single integrated circuit.
Integrates a high-current internal switch capable of delivering up to 3 A for efficient power handling.
Operates at a fixed 500 kHz switching frequency to facilitate the use of compact external passive components.

Applications

Industrial control systems requiring isolated or non-isolated DC-DC conversion
Battery-powered equipment utilizing step-up or step-down voltage regulation
Telecommunications infrastructure power distribution networks

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout compatibility and thermal characteristics. Ensure the selected package variant matches the intended PCB layout constraints. Cross-reference the datasheet revision history to validate electrical parameters before finalizing the design implementation.

Selection Notes

Select this component when a single IC must support multiple converter topologies without changing the core controller. The 3 A switch current rating suits moderate power applications where efficiency and component count are critical. Verify that the 20-pin SOIC footprint aligns with available board space and thermal dissipation requirements.

Part Context

This part belongs to the LT1371 family of switching regulators designed for flexible power supply architectures. It serves as a comprehensive solution for designers needing to implement various standard converter circuits using a unified control interface and internal power stage.