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LT3991EMSE#TRPBF AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LT3991EMSE#TRPBF product

LT3991EMSE#TRPBF

Voltage Regulators - DC DC Switching Regulators

Buck ConverterStep-DownHigh VoltageLow Quiescent Current

The LT3991EMSE#TRPBF is a high-voltage, 1.2A step-down switching regulator designed for low-power applications requiring high efficiency and minimal quiescent current.

Best for

  • Automotive systems
  • Industrial control
  • Battery-powered devices

Avoid if

  • Applications requiring extremely high output currents (>1.2A)

Check before use

  • Thermal dissipation requirements for the MSOP-10-EP package

Key specifications

Input Voltage
4.3V to 55V
Output Current
1.2A
Switching Frequency
2MHz

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001

Application

IndustrialAutomotive

Datasheet

DSANUWW0025736.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LT3991EMSE#TRPBF: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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Where to Buy

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Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 55V, 1.2A step-down (buck) DC-DC converter from Analog Devices, optimized for ultra-low quiescent current.