LT1161
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LT1161

Quad Protected High-Side MOSFET Driver

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LTspice LT1910 Demo Circuit - Fault Protected High Side Switch (8-48V Supply) Download 2.00KB LTspice LT1161 - Power Monitor, Control, and Protection Download 2.06 KB
Part Models 6
1ku List Price Starting From $4.73
Features
  • 8V to 48V Power Supply Range
  • Protected from -15V to 60V Supply Transients
  • Fully Enhances N-Channel MOSFET Switches
  • Individual Short-Circuit Protection
  • Individual Automatic Restart Timers
  • Programmable Current Limit, Delay Time, and Auto-Restart Period
  • Voltage-Limited Gate Drive
  • Defaults to OFF State with Open Input
  • Flowthrough Input to Output Pinout
  • Available in 20-Lead DIP or SOL Package
Additional Details
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The LT1161 is a quad high-side gate driver allowing the use of low cost N-channel power MOSFETs for high-side switching applications. It has four independent switch channels, each containing a completely self-contained charge pump to fully enhance an N-channel MOSFET switch with no external components.

Also included in each switch channel is a drain sense comparator that is used to sense switch current. When preset current level is exceeded, the switch is turned off. The switch remains off for a period of time set by an external timing capacitor and then automatically attempts to restart. If the fault is still present, this cycle repeats until the fault is removed, thus protecting the MOSFET.

The LT1161 has been specifically designed for harsh operating environments such as industrial, avionics, and automotive applications where poor supply regulation and/or transients may be present. The device will not sustain damage from supply voltages of –15V to 60V.

Applications

  • Industrial Control
  • Avionics Systems
  • Automotive Switches
  • Stepper Motor and DC Motor Control
  • Electronic Circuit Breaker
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file View Data Sheet
Documentation View All Documentation
LTspice LT1910 Demo Circuit - Fault Protected High Side Switch (8-48V Supply) Download 2.00KB LTspice LT1161 - Power Monitor, Control, and Protection Download 2.06 KB
Part Models 6
1ku List Price Starting From $4.73
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LT1161

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Data Sheet

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UPDATED 08/30/2007
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LT1161: Quad Protected High-Side MOSFET Driver Data Sheet

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UPDATED 08/26/2008
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LT1161: 保護機能付きクワッド・ハイサイドMOSFETドライバ データシート

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Application Note

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UPDATED 08/20/2007
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Documentation

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LT1161CN#PBF 20-Lead PDIP (Narrow 0.3 Inch) external-link
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LT1161CSW#PBF 20-Lead SOIC (Wide 0.3 Inch) external-link
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  • Material Declaration external-link
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LT1161CSW#TRPBF 20-Lead SOIC (Wide 0.3 Inch) external-link
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  • Material Declaration external-link
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LT1161IN#PBF 20-Lead PDIP (Narrow 0.3 Inch) external-link
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  • Material Declaration external-link
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LT1161ISW#PBF 20-Lead SOIC (Wide 0.3 Inch) external-link
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  • Material Declaration external-link
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LT1161ISW#TRPBF 20-Lead SOIC (Wide 0.3 Inch) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link

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Mar 7, 2019

- 19_0046

Assembly Transfer of 18,20,24,28 Lead PDIP to Cirtek

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PRODUCTION

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PCN19_0046_Form

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Detailed Change Description

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Qualification Results Summary

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Aug 10, 2022

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Laser Top Mark Conversion for SOIC_W Packages Assembled in ADPG [PNG] and UTL

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Delta Qualification Matrix

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Product Lifecycle

PCN

Mar 7, 2019

- 19_0046

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Assembly Transfer of 18,20,24,28 Lead PDIP to Cirtek

LT1161CN#PBF

PRODUCTION

LT1161IN#PBF

PRODUCTION

pdf

PCN19_0046_Form

external-icon

xls

Material_Report

Download
Detailed Change Description

pdf

Qualification Results Summary

external-icon
Aug 10, 2022

- 22_0176

arrow down

Laser Top Mark Conversion for SOIC_W Packages Assembled in ADPG [PNG] and UTL

LT1161CSW#PBF

PRODUCTION

LT1161CSW#TRPBF

PRODUCTION

LT1161ISW#PBF

PRODUCTION

LT1161ISW#TRPBF

PRODUCTION

pdf

PCN22_0176_Form

external-icon

xls

Material_Report

Download

xlsm

Delta Qualification Matrix

Download
Software & Part Ecosystem

Software & Part Ecosystem

Tools & Simulations

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

spice tool Lt Spice

LT1910 Demo Circuit - Fault Protected High Side Switch (8-48V Supply) Download

2.00K

spice tool Lt Spice

LT1161 - Power Monitor, Control, and Protection Download

2.06 K

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