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A3940KLW

A3940KLW

A3940KLW

Allegro MicroSystems

7.5mm mm Motor Drivers 28 15V V 17.9mm mm

SOT-23

A3940KLW Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 28-SOIC (0.295, 7.50mm Width)
Number of Pins 28
Operating Temperature-40°C~135°C TA
PackagingTube
Published 2008
JESD-609 Code e0
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Terminal Finish Tin/Lead (Sn/Pb)
Applications Automotive
Voltage - Supply 7V~40V
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 240
Supply Voltage 15V
Terminal Pitch1.27mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number A3940
Function Controller - Commutation, Direction Management
Qualification StatusNot Qualified
Interface Parallel
Output Configuration Pre-Driver - Half Bridge (2)
Propagation Delay225 ns
Rise Time90ns
Fall Time (Typ) 70 ns
Number of Drivers 4
Turn On Time0.225 μs
Output Peak Current Limit-Nom 0.8A
High Side Driver YES
Turn Off Time 0.225 μs
Motor Type - AC, DC Brushed DC
Length 17.9mm
Height Seated (Max) 2.65mm
Width 7.5mm
RoHS StatusNon-RoHS Compliant
Lead Free Contains Lead
In-Stock:1114 items

Pricing & Ordering

QuantityUnit PriceExt. Price
594$2.99796$1780.78824

A3940KLW Product Details

A3940KLW Overview


Drivers controllers is designed wDrivers controllersh a package of [0].A 28-SOIC (0.295, 7.50mm Width)case is included with the part.Ideally, the part should be mounted by Surface Mount.This component is suitable for the component connected to Automotive.Drivers controllers is capable of supplying 7V~40V volts.This device operates at a temperature range of -40°C~135°C TA.Drivers controllers is possible to categorize the motor type as Brushed DC.This part offers 28terminations.Drivers controllers is important to remember that this amplifier should be run at 15V.A Surface Mountmounting method is recommended for this product.As a result of the A3940part number, it can be found.This device is designed with a pin count of 28.A total of 4drivers are installed on it.

A3940KLW Features


Applications : Automotive
base on A3940 number
with 4 Drivers


A3940KLW Applications


There are a lot of Allegro MicroSystems
A3940KLW motor drivers applications.


  • Large outdoor LED display
  • Commercial office
  • Hospitality buildings
  • Smart lighting applications
  • Automotive applications
  • Dome
  • Dash
  • Footwell lighting
  • Indicator
  • Telltale lights

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