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Home > Interface and Driver Circuit
ULN2012 Datasheet






The UTC ULN2012 is high-voltage, high-current Darlington
transistor arrays. Each consists of seven NPN Darlington pairs
that feature high-voltage outputs with common-cathode clamp
diodes for switching inductive loads. The collector-current rating
of a single Darlington pair is 600mA. All units feature integral
clamp diodes for switching inductive loads. Applications include
relay, hammer, lamp and display (LED) drivers.
The UTC ULN2012 is intended for use with 14 to 25V PMOS
logic. Each input has a series Zener diode and current limiting
resistor. The Zener diode also provides excellent noise immunity
for this device.


* PMOS Compatible Inputs
* Output Current to 600mA
* Output Voltage to 50V
* Transient-Protected Outputs

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