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NUD3105LT1
Integrated Relay, Inductive Load Driver
NUD3105
Integrated Relay,
Inductive Load Driver
This device is used to switch inductive loads such as relays,
solenoids incandescent lamps , and small DC motors without the need
of a free−wheeling diode. The device integrates all necessary items
such as the MOSFET switch, ESD protection, and Zener clamps. It
accepts logic level inputs thus allowing it to be driven by a large
variety of devices including logic gates, inverters, and
microcontrollers.
Features Provides a Robust Driver Interface Between DC Relay Coil and
Sensitive Logic Circuits Optimized to Switch Relays from 3.0 V to 5.0 V Rail Capable of Driving Relay Coils Rated up to 2.5 W at 5.0 V Internal Zener Eliminates the Need of Free−Wheeling Diode Internal Zener Clamp Routes Induced Current to Ground for Quieter
Systems Operation Low VDS(ON) Reduces System Current Drain Pb−Free Package is Available
Typical Applications Telecom: Line Cards, Modems, Answering Machines, FAX Computers and Office: Photocopiers, Printers, Desktop Computers Consumer: TVs and VCRs, Stereo Receivers, CD Players,
Cassette Recorders Industrial:Small Appliances, Security Systems, Automated
Test Equipment, Garage Door Openers Automotive: 5.0 V Driven Relays, Motor Controls, Power
Latches, Lamp Drivers
