NUD3112: Relay Driver, 12 V

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 D.C. Relay Coil and Sensitive Logic Circuits
  • Optimized to Switch Relays of 12 V Rail
  • Capable of Driving Relay Coils Rated up to 6.0 W at 12 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
Applications
  • Telecom: Line Cards, Modems, Answering Machines, FAX
  • Consumer: TVs and VCRs, Stereo Receivers, CD Players, Cassette
  • Industrial:Small Appliances, Security Systems, Automated Test Equipment, Garage Door Openers
  • Computers and Office: Photocopiers, Printers, Desktop Computers
Application Notes (1)
Document TitleDocument ID/SizeRevisionRevision Date
Integrated Relay/Inductive Load Drivers for Industrial and Automotive ApplicationsAND8116/D (123kB)2May, 2015
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Integrated Relay, Inductive Load DriverNUD3112/D (141kB)11Oct, 2016
Simulation Models (4)
Document TitleDocument ID/SizeRevisionRevision Date
PSpice ModelNUD3112LT1.LIB (2.0kB)0
PSpice ModelNUD3112DMT1.LIB (3.0kB)0
SPICE3 ModelNUD3112LT1.SP3 (2.0kB)0
SPICE3 ModelNUD3112DMT1.SP3 (3.0kB)0
Package Drawings (2)
Document TitleDocument ID/SizeRevision
SC-74 (SC-59ML) 6 LEAD318F-05 (55.9kB)N
SOT-23318-08 (33.4kB)AR
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NUD3112DMT1GActivePb-free Halide freeSC-74318F-051Tape and Reel3000$0.1867
NUD3112LT1GActivePb-free Halide freeSOT-23-3318-081Tape and Reel3000$0.16
SZNUD3112DMT1GActiveAEC Qualified PPAP Capable Pb-free Halide freeSC-74318F-051Tape and Reel3000$0.2053
SZNUD3112LT1GActiveAEC Qualified PPAP Capable Pb-free Halide freeSOT-23-3318-081Tape and Reel3000$0.176
Specifications
ProductNumber of DriversVCC Max (V)V(BR)GSS Max (V)V(BR)DSS Max (V)ID Max (A)rDS(on) Max (Ω)Tj Max (°C)
NUD3112DMT1G2146140.50.9150
NUD3112LT1G1146140.50.9150
SZNUD3112DMT1G2146140.50.9150
SZNUD3112LT1G1146140.50.9150
Integrated Relay, Inductive Load Driver (141kB) NUD3112
Integrated Relay/Inductive Load Drivers for Industrial and Automotive Applications NUD3124
PSpice Model NUD3112
PSpice Model NUD3112
SPICE3 Model NUD3112
SPICE3 Model NUD3112
SC-74 (SC-59ML) 6 LEAD CM1293A-04SO
SOT-23 CM1214A
NUD3112
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