DESCRIPTION

UTC ULN2020 include 1ch condenser buzzer driver, 4ch relay
driver, safety circuit and gate signal detection circuit. The 4ch relay
driver include: 1ch main relay driver, 3ch relay driver controlled by
safety circuit. Current capability of each channel driver is 100mA.
Output clamp diode is inserted in each channel to drive inductive
load.

FEATURES

* Output current (single output): 100mA (MAX.)
* High sustaining voltage output: 50V (MIN.)
* Output clamp diodes
* TTL/CMOS logic level is compatible.