LT1269CSW#TRPBF

Description：IC REG BUCK BOOST ADJ 4A 20SO
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:42cb591cb22d 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 4A 20SO
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Function：Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration：Positive or Negative
Topology：Buck, Boost, Buck-Boost, Flyback
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.5V
Voltage - Input (Max)：30V
Voltage - Output (Min/Fixed)：1.244V
Voltage - Output (Max)：60V (Switch)
Current - Output：4A (Switch)
Frequency - Switching：100kHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 100°C (TA)
Mounting Type：Surface Mount
Package / Case：20-SOIC (0.295", 7.50mm Width)
Supplier Device Package：20-SO

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LT1269CSW#TRPBF

Overview

The LT1269CSW#TRPBF is a switching regulator IC manufactured by Analog Devices Inc., housed in a 20-SOIC package. It supports buck, boost, buck-boost, and flyback topologies with an adjustable output voltage starting at 1.244V. The device handles a maximum switch voltage of 60V and delivers up to 4A of switch current. It operates from an input voltage range of 3.5V to 30V at a fixed switching frequency of 100kHz. The component provides a single positive or negative output and functions within a temperature range of 0°C to 100°C.

Feature Summary

Supports multiple converter topologies including buck, boost, buck-boost, and flyback configurations.
Capable of generating positive or negative adjustable output voltages.
Integrated high-current switch rated for 4A operation.

Applications

Industrial power supply systems requiring flexible topology options
Battery-powered equipment needing step-up or step-down regulation
Telecommunications infrastructure power management

Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging rather than tube packaging when sourcing. Confirm RoHS compliance status and check for obsolescence notices as availability may be limited. Ensure the 20-SOIC footprint matches your PCB design constraints before finalizing procurement decisions.

Selection Notes

Select this component when designing circuits that require a single IC to support various DC-DC conversion modes. The 100kHz frequency offers a balance between efficiency and component size. Verify that the 4A switch current rating meets peak load requirements and that the 30V input limit aligns with your source voltage.

Part Context

This part belongs to the LT1269 family of versatile switching regulators. It shares core architecture with variants like the LT1269CSW#PBF but differs in packaging format. The device is designed for applications demanding high flexibility in power stage configuration without requiring external controller complexity.