STMICROELECTRONICS  L4940V5  IC, V REG LDO +5.0V, 4940, TO-220-3

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Product Information

  • 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: No SVHC (15-Jun-2015)


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


Availability:  396

  • 105 in stock for next day delivery (Liege stock)
  • 291 in stock for next day delivery (UK stock)
Check stock and lead times
    More stock available week commencing 19/10/15

Price for: Each 1

Minimum order quantity: 1

Order multiple quantity: 1

Price: £1.59



Quantity List Price
1 - 9 £1.59
10 - 99 £1.09
100 - 249 £0.79
250 - 499 £0.741
500 - 1999 £0.584
2000 - 3999 £0.56
4000 - 7999 £0.553
8000+ £0.546

Legislation and Environmental

  • Moisture Sensitivity Level: -
  • Country of Origin: China

    Country in which last significant manufacturing process was carried out

  • RoHS Compliant: Yes
      RoHS Certificate of Compliance
  • Tariff No: 85423990
  • Weight (kg): .001814
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