LT3959IFE#TRPBF

$9.78

Description：IC REG BOOST CUK ADJ 6A 38TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:fe9dfd685cff 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 6A 38TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Up, Step-Up/Step-Down
Output Configuration：Positive or Negative
Topology：Boost, Cuk, SEPIC
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：1.6V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：40V (Switch)
Current - Output：6A (Switch)
Frequency - Switching：100kHz ~ 1MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：38-TFSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package：38-TSSOP-EP

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LT3959IFE#TRPBF

Overview

The LT3959IFE#TRPBF is a synchronous boost, Cuk, and SEPIC switching regulator IC manufactured by Analog Devices Inc. It operates with an input voltage range of 1.6V to 40V and delivers up to 6A of switch current. The device features adjustable output voltages starting from 0.8V, supporting both positive and negative configurations. It utilizes a 36-WFQFN package with exposed thermal pad for efficient heat dissipation. The controller supports switching frequencies between 100kHz and 1MHz, ensuring flexible design options for various power applications.

Feature Summary

Supports multiple topologies including boost, Cuk, and SEPIC configurations
Capable of generating positive or negative output voltages
Integrated synchronous rectification for improved efficiency
Wide input voltage range accommodating diverse power sources

Applications

Industrial power supplies requiring isolated or non-isolated regulation
Battery-powered equipment needing extended runtime via efficient conversion
Automotive electronics operating within wide voltage fluctuations
Telecommunications infrastructure power management systems

Procurement Notes

Verify component authenticity through authorized distributors only. Confirm RoHS compliance status prior to integration. Ensure proper handling procedures for ESD-sensitive QFN packages during assembly. Cross-reference datasheet revisions to match specific design requirements. Validate thermal performance under maximum load conditions before finalizing layout.

Selection Notes

Evaluate thermal dissipation capabilities given the 6A switch current rating. Consider inductor selection based on desired ripple current and frequency settings. Assess PCB layout constraints for the 36-lead QFN footprint. Verify input capacitor ratings against peak transient currents. Check compatibility with external feedback network components for precise voltage regulation targets.

Part Context

This part belongs to the LT3959 series designed for high-efficiency DC-DC conversion. It complements other Analog Devices power management solutions by offering versatile topology support. The family focuses on compact designs suitable for space-constrained applications. Related products include similar regulators with different current ratings or input ranges.