LT3905IUD#TRPBF

$8.01

Description：IC REG BOOST ADJ 350MA 16QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:8de11e463190 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BOOST ADJ 350MA 16QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Up
Output Configuration：Positive
Topology：Boost
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：2.7V
Voltage - Input (Max)：12V
Voltage - Output (Min/Fixed)：1.248V
Voltage - Output (Max)：65V (Switch)
Current - Output：350mA (Switch)
Frequency - Switching：1MHz ~ 2MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Package / Case：16-WFQFN Exposed Pad
Supplier Device Package：16-QFN (3x3)

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LT3905IUD#TRPBF

Overview

The LT3905IUD#TRPBF is a boost switching regulator IC manufactured by Analog Devices Inc. It features an adjustable output voltage starting at 1.248V, with a maximum switch voltage rating of 65V. The device provides a continuous switch current of 350mA and operates within an input voltage range of 2.7V to 12V. It supports a switching frequency between 1MHz and 2MHz. The component is housed in a 16-WFQFN package with an exposed pad, measuring 3x3mm. It is designed for surface mount installation and functions as a positive, single-output regulator.

Feature Summary

Boost topology with adjustable output voltage capability
Integrated 350mA synchronous switch
Wide input voltage operating range
High switching frequency operation for compact external component size

Applications

Battery-powered portable electronics
Industrial control systems
Automotive sensor interfaces
General-purpose DC-DC conversion

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm that the IUD variant corresponds to the industrial temperature range specifications required for the application environment. Ensure compatibility with the 16-WFQFN footprint during PCB layout review.

Selection Notes

Select this component when a compact boost converter is needed with moderate current requirements up to 350mA. Consider the 1MHz to 2MHz frequency range for balancing efficiency and passive component size. Verify that the input voltage range of 2.7V to 12V aligns with the source power supply characteristics.

Part Context

This part belongs to the LT3905 family of high-efficiency boost regulators from Analog Devices. It is designed for applications requiring small solution sizes and efficient power management from low-voltage sources. The device integrates the main power switch to minimize external component count.