LT3757AEMSE#WPBF

$6.35

Description：BOOST, FLY, SEPIC & INV CNTR
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:1b238f96b1d9 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：BOOST, FLY, SEPIC & INV CNTR
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Output Type：Transistor Driver
Function：Step-Up, Step-Up/Step-Down
Output Configuration：Positive and Negative
Topology：Boost, Flyback, SEPIC
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：2.9V ~ 40V
Frequency - Switching：100kHz ~ 1MHz
Duty Cycle (Max)：-
Synchronous Rectifier：No
Clock Sync：Yes
Serial Interfaces：-
Control Features：Enable, Frequency Control, Soft Start
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package：10-MSOP-EP
Grade：Automotive
Qualification：AEC-Q100

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LT3757AEMSE#WPBF

Overview

The LT3757AEMSE#WPBF is a wide input range, current mode DC/DC controller designed for boost, flyback, SEPIC, and inverting topologies. It supports positive and negative output configurations with a supply voltage range of 2.9V to 40V. The device features a programmable switching frequency from 100kHz to 1MHz and includes clock synchronization capabilities. It operates within a junction temperature range of -40°C to 125°C and utilizes a 10-MSOP-EP package.

Feature Summary

Supports multiple converter topologies including boost, flyback, SEPIC, and inverting configurations
Features internal clock synchronization for multi-phase or parallel operation
Includes integrated soft-start and enable control functions

Applications

Automotive power systems requiring AEC-Q100 qualification
Industrial power supplies utilizing wide input voltage ranges
Battery-powered equipment requiring step-up or inverted voltage generation

Procurement Notes

Verify the specific suffix WPBF indicates tube packaging and automotive grade qualification. Confirm that the component meets AEC-Q100 standards if required for your application. Ensure compatibility with the 10-MSOP-EP footprint during PCB layout. Cross-reference the datasheet revision to confirm pinout and electrical characteristics match your design requirements before finalizing procurement.

Selection Notes

Select this controller when a wide input voltage range up to 40V is necessary for boost or inverting applications. It is suitable for designs requiring external MOSFETs for high-current handling. Consider the MSOP-EP package for thermal performance. Verify that the external components support the desired switching frequency and current levels for the specific topology chosen.

Part Context

This part belongs to the LT3757 family of DC/DC controllers manufactured by Analog Devices Inc. The LT3757 series is designed for flexible power conversion needs, supporting various topologies. The 'A' variant typically denotes specific electrical parameter tolerances or extended temperature ranges compared to the base model.