LTC3805IDD#TRPBF

$1.91

Description：IC REG CTRLR FLYBACK 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:70c547f569ce Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3805IDD#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 FLYBACK 10DFN. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3805IDD#TRPBF

Description：IC REG CTRLR FLYBACK 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Output Type：Transistor Driver
Function：Step-Up/Step-Down
Output Configuration：Positive, Isolation Capable
Topology：Flyback
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：3.95V ~ 9.5V
Frequency - Switching：70kHz ~ 700kHz
Duty Cycle (Max)：80%
Synchronous Rectifier：No
Clock Sync：Yes
Serial Interfaces：-
Control Features：Enable, Soft Start
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：10-WFDFN Exposed Pad
Supplier Device Package：10-DFN (3x3)

DC DC Switching Controllers datasheet and documents for LTC3805IDD#TRPBF

LTC3805IDD#TRPBF

DC DC Switching Controllers Overview

The LTC3805IDD#TRPBF is a single-output flyback and step-up DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 8.8V to 75V and supports adjustable switching frequencies from 70kHz to 700kHz. The device features a minimum output voltage of 0.8V and draws a typical quiescent current of 0.36mA. Designed for industrial applications, it functions reliably across a temperature range of -40°C to 125°C. The component is housed in a 10-pin DFN EP package and is supplied in tube packaging.

DC DC Switching Controllers Feature Summary

Supports flyback and step-up topologies with programmable switching frequency
Integrated soft-start and enable control features
Capable of operating with high input voltages up to 75V
Designed for wide industrial temperature operation

DC DC Switching Controllers Applications

Industrial power supply systems
Isolated DC/DC conversion circuits
Step-up voltage regulation modules
Automotive electronics (as per specific datasheet variants)

DC DC Switching Controllers Procurement Notes

Verify the exact suffix against official Analog Devices documentation to confirm package type and tape/reel specifications. Ensure the part number matches the required thermal pad configuration for the DFN EP package. Cross-reference the manufacturing date code and lot traceability requirements with project specifications before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring isolated or non-isolated step-up conversion with high input voltage tolerance. Consider the 70kHz to 700kHz frequency range for optimizing transformer size versus efficiency. Verify that the external components support the 0.8V minimum output requirement and that the PCB layout accommodates the 10-pin DFN EP footprint for adequate thermal dissipation.

DC DC Switching Controllers Part Context

This component belongs to the LTC3805 series of DC/DC controllers from Analog Devices. The series includes various packages and suffixes tailored for different volume and thermal requirements. The IDD variant specifically denotes the DFN EP package option, distinguishing it from MSOP or other housing types within the same functional family.