AMS1117-3.3 Voltage Regulator Low Drop Out +3.3V – 1A SOT-223 5 or 10 pack

AMS1117-3.3 V Voltage Regulator Low Drop Out +3.3V – 1A SOT-223 fixed low dropout voltage Regulator with a dropout voltage of 1.3V at 1000mA

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AMS1117-3.3 Voltage Regulator Low Drop Out
This item: AMS1117-3.3 Voltage Regulator Low Drop Out +3.3V - 1A SOT-223 5 or 10 pack
$1.95$3.95
$1.95$3.95
L4931 5.0V 250mA Linear Voltage regulator
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AMS1117-3.3 Voltage Regulator Low Drop Out +3.3V – 1A SOT-223 is a fixed low dropout voltage Regulator with a dropout Voltage of 1.3V at 1000mA load current. It offers current limiting and thermal shutdown and includes a Zener bandgap reference to ensure output voltage Accuracy within ±1%.

Description: AMS1117-3.3 V
  • Output Type: Fixed
  • Input Voltage Max: 15V
  • Fixed Output Voltage Nom.: 3.3V
  • Output Current: 1000mA
  • Voltage Dropout Max 1. 3 V @ 1A
  • Psrr / Ripple Rejection 60Db(120Hz)
  • LDO Regulator Case Style: SOT-223
  • No. of Pins: 3Pins
  • Operating Temperature Min: -20°C
  • Operating Temperature Max: 125°C

 

Low-dropout (LDO) regulators work the same way as all linear voltage regulators. The main difference between LDO and non-LDO regulators is their schematic topology. Instead of an emitter follower topology, low-dropout regulators use an open collector or open drain topology. In this topology, the transistor may be easily driven into saturation with the voltages available to the regulator.

This allows the voltage to drop from the unregulated voltage to the regulated voltage as low as the saturation voltage across the transistor.

For the circuit given in the figure to the right, the output voltage is given as:

If a bi-polar transistor is used instead of a field-effect transistor or JFET, significant additional power may be lost to control it. In contrast, non-LDO regulators take that power from the voltage drop itself.

Package included: AMS1117-3.3 v Voltage Regulator5 or 10 Pack 

Development  Resources: Demo Codes, Schematics, Datasheets, etc

 

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Notes:

1. There may be slight size deviations due to manual measurement and different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of the different lights and angles monitored.

 

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5 Pack, 10 Pack



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