It comes with a collector-emitter voltage around 50 V and input voltage residing at 30 V. Introduction to ULN2803 ULN2803 is a high-voltage and high-current Darlington transistor array and is mainly used as a relay driver with an ability to handle 8 relays at a time. In this post, I'll cover each and everything related to this driver IC: its main features, pinout, working, and applications. You must have a look at ULN2003 which is almost similar to this IC but comes with 16 pins and can handle 7 relays at a time. Each Darlington pair features a decent amount of collector-current rating i.e. The component is incorporated with eight NPN Darlington pairs, featuring high-voltage outputs with common-cathode clamp diodes that are directly related to switching inductive loads.
In order to obtain higher current capability, the Darlington pairs are connected in a parallel configuration. Today, I'll discuss the detailed Introduction to ULN2803 which is a relay driver that comes with a high-voltage and high-current Darlington transistor array. I always take pleasure to keep you updated with valuable information related to information and technology.
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