STMICROELECTRONICS  L4940V5  Fixed LDO Voltage Regulator, 7V to 17V, 500mV Dropout, 5Vout, 1.5Aout, TO-220-3


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Product Overview

The L4940V5 is a fixed output, three terminal very low dropout (LDO) linear voltage regulator in 3 pin TO-220 package. This regulator is particularly suitable for battery powered equipments for reducing consumption and prolonging battery life. L4940V5 low dropout regulator features internal current limiting, anti saturation circuit, thermal shut down and safe area protection.
  • Fixed output voltage is 5V
  • Low dropout voltage is 500mV at 1.5A output current
  • Input voltage range from 7V to 17V
  • Output current is 1.5A
  • Very low quiescent current
  • Short circuit protection
  • Reverse polarity protection
  • Operating junction temperature range from -40°C to 150°C


Power Management; Consumer Electronics; Industrial
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Product Specifications, Documents & More

  • Dropout Voltage Vdo: 500mV
  • Input Voltage Max: 17V
  • Input Voltage Min: 7V
  • LDO Regulator Case Style: TO-220
  • MSL: -
  • No. of Pins: 3
  • Operating Temperature Max: 150°C
  • Operating Temperature Min: -40°C
  • Output Current: 1.5A
  • Output Voltage Nom.: 5V
  • Packaging: Each
  • SVHC: To Be Advised

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Availability:  149

  • 149 in stock for same day shipping
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    More stock available week commencing 12/21/15

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Customer Reviews

Works great The regulator came nicely packaged and it worked perfectly. March 22, 2015
L4940 5 Volt 5 Volt voltage regulator. Great for hobbyist and tinkerers who need a remote 5 volt power source for microcontrollers and other passive components where external power sources are not accessible. January 22, 2015
  • 2015-06-11T15:21:40.003-05:00
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