HV9901 Datasheet - Supertex Inc

HV9901 - Universal Relay Driver

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’ inductance. The circuit is capable .

HV9901 Features

* 10 to 450V input voltage range

* Energy saving hold current mode

* Adjustable microcontroller supply

* Low supply current

HV9901_SupertexInc.pdf