HV9901 Universal Relay Driver Features ► 10 to 450V input voltage range ► Energy saving hold current mode ► Adjustable microcontroller supply ► Low supply current 1.
0mA ► Constant current coil ► Programmable pull-in current, pull-in time, and hold current ► Efficient PWM operation using the relay coils’ inductance Applications ► Industrial controls ► Relay timers ► Solenoid drivers ► Home automation General Description The Supertex HV9901 is a BiCMOS/DMOS universal relay driver that employs PWM switching techniques.
It is designed for efficient and energysaving operation of a low voltage relay with supply voltages ranging from 10 to 450V DC through utilization of the relay coils’ inductanc...

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