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ULN2003A DATASHEET PDF

Wednesday, June 12, 2019


The ULNA, ULNA and ULNA are high voltage, high current Darlington arrays each containing seven open collector common emitter pairs. An IMPORTANT NOTICE at the end of this data sheet addresses availability, Product Folder Links: ULNA ULNA ULNAI. DESCRIPTION. The ULNA, ULNA, ULN and. ULNA are high voltage, high current darlington arrays each containing seven open collector.


Uln2003a Datasheet Pdf

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ULN, ULN ULN, ULN Seven Darlington arrays. Datasheet - production data. Features. • Seven Darlingtons per package. The ULNA is an array of seven NPN Darlington transistors capable of mA, 50 V output. It features common-cathode flyback diodes for switching. ULN,04APG/AFWG. 1. TOSHIBA Bipolar Digital Integrated Circuit Silicon Monolithic. ULNAPG,ULNAFWG. ULNAPG.

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It has seven Darlington Pairs inside, where each can drive loads up to 50V and mA. Adding to that we can a ground and Common pin. The ground pin, as usual is grounded and the usage of Common pin is optional.

It might be surprising to note that this IC does not have any Vcc power pin; this is because the power required for the transistors to work will be drawn from the input pin itself. In the circuit consider the LED to be the loads and the logic pins blue colour as the pins connected to the Digital circuit or Microcontroller like Arduino.

Notice that the Positive pin of the LED is connected to the positive load voltage and the negative pin is connected to the output pin of the IC.

This is because when the input pin of the IC gets high the respective output pin will get connected to ground. So when the negative terminal of the LED is grounded it completes the circuit and thus glows. The loads connected to the output pin can be maximum of 50C and mA each.

However you can run higher current loads buy combining two or more output pins to gather. The COM pin is connected to ground through a switch, this connection is optional.

It can be used a test switch, meaning when this pin is grounded all the output pins will be grounded. Ground Reference Voltage 0V. Used as test pin or Voltage suppresser pin optional to use.

Output 1 to Output 7. Respective outputs of seven input pins.

So if you have anything that anything more than 5V 80mA to work, then this IC would be the right choice for you. It has seven Darlington Pairs inside, where each can drive loads up to 50V and mA.

Adding to that we can a ground and Common pin.

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The ground pin, as usual is grounded and the usage of Common pin is optional. It might be surprising to note that this IC does not have any Vcc power pin; this is because the power required for the transistors to work will be drawn from the input pin itself.

In the circuit consider the LED to be the loads and the logic pins blue colour as the pins connected to the Digital circuit or Microcontroller like Arduino. Notice that the Positive pin of the LED is connected to the positive load voltage and the negative pin is connected to the output pin of the IC.

ULN2003 Stepper Motor Driver Module

This is because when the input pin of the IC gets high the respective output pin will get connected to ground.I will try my level to entertain you and to solve your issues in a better way, if possible. The resultant current gain is the product of those of the two component transistors:.

Applications The relay circuit driver ULN has a wide range of applications in real life. Articles which use infobox templates with no data rows Commons category link is on Wikidata.

The seven Darlington pairs in ULN can operate independently except the common cathode diodes that connect to their respective collectors. Notice that the Positive pin of the LED is connected to the positive load voltage and the negative pin is connected to the output pin of the IC. It might be surprising to note that this IC does not have any Vcc power pin; this is because the power required for the transistors to work will be drawn from the input pin itself.

Typical usage of the ULNA is in driver circuits for relays , lamp and LED displays , stepper motors, logic buffers and line drivers.