LTC3805EMSE#PBF

$4.85

Description：IC REG CTRLR FLYBACK 10MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:60a7097bdd13 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3805EMSE#PBF 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 10MSOP. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3805EMSE#PBF

Description：IC REG CTRLR FLYBACK 10MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube
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 ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package：10-MSOP-EP

DC DC Switching Controllers datasheet and documents for LTC3805EMSE#PBF

LTC3805EMSE#PBF

DC DC Switching Controllers Overview

The LTC3805EMSE#PBF is an adjustable frequency current mode DC/DC controller designed for flyback, boost, and SEPIC converter applications. It drives N-channel MOSFETs with a switching frequency range of 70 kHz to 700 kHz. The device supports output voltages from 800 mV to 75 V and delivers up to 2 A output current. Quiescent current is 360 uA during normal operation. It operates within a temperature range of -40°C to +85°C in a 10-lead MSOP package.

DC DC Switching Controllers Feature Summary

Supports flyback, boost, and SEPIC topologies for versatile power conversion designs
Features programmable overcurrent sensing to protect against overload and short-circuit conditions
Includes soft-start capability with automatic restart functionality via external capacitor

DC DC Switching Controllers Applications

Telecommunications isolated DC/DC converters
Industrial power supplies requiring high input voltage ranges
Battery-powered systems utilizing boost or SEPIC architectures

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors. Confirm RoHS compliance status as indicated in official documentation. Ensure the specific suffix matches required packaging and environmental standards. Cross-reference datasheet revisions to validate pinout and electrical characteristics before integration into final hardware designs.

DC DC Switching Controllers Selection Notes

Select this controller when designing flyback, boost, or SEPIC converters requiring adjustable frequency operation. It is suitable for applications needing precise overcurrent protection and programmable soft-start features. Consider the 10-lead MSOP package for space-constrained layouts. Evaluate thermal performance based on the specified operating temperature range and expected load conditions.

DC DC Switching Controllers Part Context

This component belongs to the LTC3805 series of current mode DC/DC controllers manufactured by Analog Devices. The series is engineered for driving N-channel MOSFETs in various non-isolated and isolated converter topologies. The EMSE variant specifies the commercial temperature grade and MSOP package configuration.