Sunday, March 1, 2009

ULN2003 darlington array. ULN200x

The ULN2001, ULN2002, ULN2003 and ULN2004 are high voltage, high current darlington arrays each containing seven open collector darlington pairs with common emitters. Each channel rated at 500 mA and can withstand peak currents of 600 mA. Suppression diodes are included for inductive load driving and the inputs are pinned opposite the outputs to simplify board layout.

These components are excellent for driving any external devices from stepper motors to relays, or any device that draws more current component that any typical logic gate or microcontroller wouldn't be able to supply.

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