ULN2003 IC High Current NPN Darlington Transistors Array
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The ULN2003 is a monolithic high voltage and high current Darlington transistor arrays. It consists of seven NPN darlington pairs that features high-voltage outputs with common-cathode clamp diode for switching inductive loads. The collector-current rating of a single darlington pair is 500mA. The darling ton pairs may be paralleled for higher current capability. Applications include relay drivers, hammer drivers, lamp drivers, display drivers(LED gas discharge),line drivers, and logic buffers. The ULN2003 has a 2.7kΩseries base resistor for each darlington pair for operation directly with TTL or 5V CMOS devices.
Features of ULN2003
- 500mA rated collector current(Single output)
- High-voltage outputs: 50V
- Inputs compatible with various types of logic.
- Relay driver application
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