ULN2004AG 50V, 7ch darlington transistor array with 15V input 16PIN DIP

SKU: D21-9
Out of stock
EGP 15.000 exc. vat
Out of stock
Brand:Chinese

Description

 

The ULN2004 is a monolithic IC consists of seven NPN darlington transistor pairs with high voltage and current capability. It is commonly used for applications such as relay drivers, motor, display drivers, led lamp drivers, logic buffers, line drivers, hammer drivers and other high voltage current applications. It consists of common cathode clamp diodes for each NPN darlington pair which makes this driver IC useful for switching inductive loads.

Schematic Diagram of each Darlington Pair - ULN2003

Schematic Diagram of each Darlington Pair – ULN2003

The output of the driver is open collector and the collector current rating of each darlington pair is 500mA. Darlington pairs may be paralleled if higher current is required. The driver IC also consists of a 2.7KΩ base resistor for each darlington pair. Thus each darlington pair can be operated directly with TTL or 5V CMOS devices. This driver IC can be used for high voltage applications up to 50V.

Logic Diagram of ULN2003

Logic Diagram of ULN2003

Note that the driver provides open collector output, so it can only sink current, cannot source. Thus when a 5V is given to 1B terminal, 1C terminal will be connected to ground via darlington pair and the maximum current that it can handle is 500A. From the above logic diagram we can see that cathode of protection diodes are shorted to 9th pin called COM. So for driving inductive loads, it must connected to the supply voltage. Datasheet

Additional information

Weight0.005 kg

Brand

Chinese

Chinese
Chinese

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ULN2004AG 50V, 7ch darlington transistor array with 15V input 16PIN DIP
ULN2004AG 50V, 7ch darlington transistor array with 15V input 16PIN DIP EGP 15.000 exc. vat
Out of stock