ULQ2001R

The ULQ2001R is a kind of high voltage, high current darlington arrays each containing seven open collector darlington pairs with common emitters. Each channel is rate at 500 mA and can withstand peak currents of 600 mA. Suppression diodes are included for inductive load driving and the inputs are pinned opposite the outputs to simplify board layout.

What comes next is about the absolute maximum ratings of ULQ2001R. The VO (output voltage) is 50 V. The IC (continuous collector current) is 500 mA. The Ib (continuous base current) is 25 mA. The Tamb (ambient operating temperature range) is from -20 to +85. The Tstg (storage temperature range) is from -55 to +150. The maximum Rth j-amb (thermal resistance junction to ambient) is 150/W.

The following is about the electrical characteristics of ULQ2001R. The typical CI (input capacitance) is 15 pF and the maximum is 25 pF. The typical tPLH (turn-on delay time) is 0.25s and the maximum is 1 s at 0.5VI to 0.5VQ. The typical tPHL (turn-off delay time) is 0.25s and the maximum is 1 s at 0.5VI to 0.5VQ.