LTC1438IG#TRPBF

$11.18

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

SKU:5511d9bf090a Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC1438IG#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 LTC1438IG#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：1
Voltage - Supply (Vcc/Vdd)：3.5V ~ 30V
Frequency - Switching：Up to 400kHz
Duty Cycle (Max)：99%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Power on Reset, 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

DC DC Switching Controllers datasheet and documents for LTC1438IG#TRPBF

LTC1438IG#TRPBF

DC DC Switching Controllers Overview

The LTC1438IG#TRPBF is a dual synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 3.5V to 30V and supports a maximum switching frequency of 400kHz. The device features two independent outputs with adjustable positive voltage regulation, housed in a 28-SSOP package. It includes integrated soft-start, enable, and power-on reset functions for stable operation across temperatures from -40°C to 85°C.

DC DC Switching Controllers Feature Summary

Dual synchronous buck topology driving external N-channel MOSFETs
Phase-lockable fixed frequency architecture up to 400kHz
Integrated control features including soft-start and enable

DC DC Switching Controllers Applications

High efficiency dual rail power supplies
Industrial equipment DC-DC conversion
Telecommunications infrastructure power management

DC DC Switching Controllers Procurement Notes

Verify the suffix #TRPBF indicates tape-and-reel packaging distinct from tube variants. Confirm RoHS compliance status and check for recent Product Change Notifications regarding marking or material updates before finalizing procurement specifications.

DC DC Switching Controllers Selection Notes

Select this component when dual isolated rails are required from a single controller. Ensure external MOSFET selection matches the 400kHz frequency capability. Verify that the 3.5V minimum input voltage aligns with system supply constraints and thermal requirements for the SSOP package.

DC DC Switching Controllers Part Context

Part of the LTC1438 family of high-efficiency synchronous buck controllers. Designed for applications requiring compact dual-output solutions with precise regulation. Shares architectural similarities with other Analog Devices PMIC series but offers specific dual-channel integration.