Utmel
ULN2803a is an eight-channel Darlington array used to interface microcontrollers to high voltage, high current devices such as solenoids, lamps, relays, etc. It has the capacity to drive 500mA into a single channel, up to 250mA per channel if four of the eight channels are active and 125 mA per channel if all the eight channels are active. Its output has clamp diodes for transient suppression to protect the low-power microcontroller circuits. ULN2803 is commonly used for controlling large seven-segment displays.
ULN2803A Features
- Eight Darlington transistors with common emitters
- Output current to 500 mA
- Output voltage to 50 V
- Integral suppression diodes
- Versions for all popular logic families
- Output can be paralleled
- Inputs pinned opposite outputs to simplify board layout
ULN2803A Application
- Power Management
- Consumer Electronics
- Portable Devices
- Industrial
If you are interested in that, you can follow the below link to see the article about the product ULN2803A.
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Utmel
