LM3940IT 1A 5V to 3.3V Low Drop Out Conversion Regulator

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LM3940IT 1A 5V to 3.3V Low Drop Out Conversion Regulator
SKU: Z2680
$5.32
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ea$5.32
4+$4.82
10+$4.27

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The LM3940 is a 1A low dropout regulator designed to provide 3.3V from a 5V supply. The LM3940 is ideally suited for systems which contain both 5V and 3.3V logic, with prime power provided from a 5V bus. Because the LM3940 is a true low dropout regulator, it can hold its 3.3V output in regulation with input voltages as low as 4.5V.

The T0-220 package of the LM3940 means that in most applications the full 1A of load current can be delivered without using an additional heatsink.

Specifications:

Input Voltage MAX: 7.5 V

  • Output Voltage: 3.3 V
  • Dropout Voltage - Max: 0.8 V at 1A, 0.15 V at 100 mA
  • Output Current: 1 A
  • Load Regulation: 50 mV
  • Number of Outputs: 1 Output
  • Output Type: Fixed
  • Maximum Operating Temperature: + 125 C
  • Mounting Style: Through Hole
  • Package / Case: TO-220-3
  • Input Bias Current - Max: 10 mA
  • Input Voltage MIN: 4.5 V
  • Line Regulation: 40 mV
  • Minimum Operating Temperature: - 40 C

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