LT3957EUHE

Description：IC REG BOOST CUK ADJ 5A 36QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:d284391020af Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BOOST CUK ADJ 5A 36QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Up, Step-Up/Step-Down
Output Configuration：Positive or Negative
Topology：Boost, Cuk, Flyback, SEPIC
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：1.6V
Voltage - Output (Max)：40V (Switch)
Current - Output：5A (Switch)
Frequency - Switching：100kHz ~ 1MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：36-WFQFN, 28 Leads, Exposed Pad
Supplier Device Package：36-QFN (5x6)
Grade：-
Qualification：-

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LT3957EUHE

Overview

The LT3957EUHE is a wide input range, current mode DC/DC converter manufactured by Analog Devices Inc. It supports Boost, Flyback, SEPIC, and Inverting topologies to generate positive or negative output voltages. The device operates with an input voltage range of 3 V to 40 V and delivers up to 5 A output current. Key electrical parameters include a 1 MHz switching frequency, 1 uA quiescent current, and operation within a temperature range of -40 C to +125 C. It is housed in a QFN-36 package.

Feature Summary

Supports multiple conversion topologies including Boost, Flyback, SEPIC, and Inverting configurations for flexible power design.

Applications

SEPIC converter designs
Boost converter applications
Flyback converter implementations
Inverting converter circuits

Procurement Notes

Verify the specific suffix and manufacturer documentation to confirm exact specifications. Ensure compatibility with required input and output voltage ranges. Check for RoHS compliance status as indicated in official datasheets. Confirm package type matches design requirements before procurement.

Selection Notes

Select this component when a wide input voltage range and high output current are required. Consider the available topologies for specific voltage conversion needs. Evaluate thermal performance within the specified operating temperature range. Verify that the QFN-36 package fits the board layout constraints.

Part Context

This part belongs to the LT3957 series of wide input voltage range converters. It is designed for applications requiring flexible topology options and high efficiency. The series supports various power management solutions across different industrial and commercial sectors.