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ULN Pin Description | Current Driver IC | ULN Datasheet
The load goes between the output pin and the load supply voltage which can be up to 50V. Input for 3 rd channel.
It contains seven open collector darlington pairs with common emitters. The ground pin, as usual is grounded and the usage of Common pin is optional. Interface GPS with Arduino. ULN is also commonly used while driving Stepper Motors.
Used as test pin or Voltage suppresser pin optional to use. Skip to main content. It features common-cathode flyback diodes for switching inductive loads.
Input for 1 st channel. Different versions of this family interface to different logic families. Input for 2 nd channel.
Suppression diodes are included for inductive load driving and the inputs are pinned opposite the outputs to simplify board layout. Interface SD Card with Arduino. Even further, stacking one chip on top of another, both electrically and physically, has been done. Virgin Galactic — Commercial Space Flight.
ULN2003A Darlington Array 7 NPN 500mA
So when xatasheet negative terminal of the LED is grounded it completes the circuit and thus glows. The inputs and outputs are provided opposite to each other in the pin layout. Wikimedia Commons has media related to ULN Each channel rated at mA and can withstand peak currents of mA. These useful chips allow you to drive high current loads like relays and motors which require more power than a ul2n003 can supply or sink.
In other projects Wikimedia Commons. Check out our videos Follow us on: This is because when the input pin of the IC gets high the respective output pin will get connected to ground. Submitted by admin on 13 December The drivers can be paralleled for even higher current output. The resultant current gain is the product of those of the two component transistors:.
Outputs can be connected in parallel to allow higher current loads. Panduit terminal crimping tools are available in an assortment of styles to meet a variety of installation needs. Input for 4 th channel. ST Microelectronics Average Rating: Output for 4 th channel. There are no related products for this product. This page was last edited on 10 Februaryat HTML is not translated! Adding to that we can a ground and Dattasheet pin.