LT3753EFE

Description：IC REGULATOR
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:243ccd0848dc Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REGULATOR
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Output Type：Transistor Driver
Function：Step-Up/Step-Down
Output Configuration：Positive, Isolation Capable
Topology：Forward Converter
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：8.5V ~ 100V
Frequency - Switching：100kHz ~ 500kHz
Duty Cycle (Max)：-
Synchronous Rectifier：Yes
Clock Sync：Yes
Serial Interfaces：-
Control Features：Frequency Control, Soft Start
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad
Supplier Device Package：38-TSSOP-EP
Grade：-
Qualification：-

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LT3753EFE

Overview

The LT3753EFE is a current mode PWM controller optimized for active clamp forward converter topologies, supporting input voltages up to 100V. It features an adjustable switching frequency range from 100kHz to 500kHz and includes clock synchronization capabilities. The device operates with a supply voltage between 8.5V and 100V and integrates synchronous rectifier control. It is housed in a 38-pin TSSOP-EP package and supports negative output configurations.

Feature Summary

Optimized for active clamp forward converter topology
Supports input operation up to 100V
Integrates synchronous rectifier control
Features adjustable switching frequency and clock synchronization

Applications

Active clamp forward power supplies
Isolated DC-DC conversion systems
Automotive power management applications

Procurement Notes

Verify component authenticity through authorized Analog Devices channels or certified distributors. Confirm the specific suffix matches the required pinout and thermal pad configuration. Check for obsolescence status as this part may be discontinued. Ensure environmental compliance documentation aligns with project requirements before finalizing procurement decisions.

Selection Notes

Select this controller when designing active clamp forward converters requiring high input voltage tolerance. The integrated synchronous rectifier drive reduces external component count and improves efficiency. Consider the 38-pin TSSOP-EP package for thermal performance and board space constraints. Verify that the operating frequency range meets the magnetic component design specifications.

Part Context

This component belongs to the LT3753 series of power management ICs designed for high-voltage isolated applications. It serves as a core control element in flyback and forward converter architectures. The device complements other Linear Technology regulators by providing specialized PWM control for advanced topologies requiring precise timing and rectification management.