NCV890103: Automotive Switching Regulator, Buck, 1.2 A, 2 MHz, Reset, Adjustable Delay

NCV890103

Features
  • Internal N−Channel Power Switch
  • Low VIN Operation Down to 4.5 V
  • High VIN Operation to 36 V
  • Withstands Load Dump to 40 V
  • 2 MHz Free−running Switching Frequency
  • Reset with Adjustable Delay
  • Logic level Enable Input Can be Directly Tied to Battery
  • 1.4 A (min) Cycle−by−Cycle Peak Current Limit
  • Short Circuit Protection enhanced by Frequency Foldback
  • ±1.75% Output Voltage Tolerance
  • Output Voltage Adjustable Down to 0.8 V
  • 1.4 Millisecond Internal Soft−Start
  • Thermal Shutdown (TSD)
  • Low Shutdown Current
  • NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
  • Wettable Flanks DFN (pin edge plating)
  • These Devices are Pb−Free and RoHS Compliant
Applications
  • Audio
  • Infotainment
  • Safety - Vision Systems
  • Instrumentation
End Products
  • Automotive
Design & Development Tools (1)
Document TitleDocument ID/SizeRevisionRevision Date
NCV890103/04 Design Worksheet - Continuous Conduction ModeNCV890103/04 design sheet (208kB)2Nov, 2014
Package Drawings (1)
Document TitleDocument ID/SizeRevision
DFN10, 3x3, 0.5P485C (33.7kB)E
Simulation Models (2)
Document TitleDocument ID/SizeRevisionRevision Date
Average model for ac simulation on PSPICENCV890103_04_AC_PSPICE  (222kB)0
Average model for fast transient simulations on PSPICE (no switching)NCV890103_04_TRANAVG_PSPICE (290kB)0
Evaluation Board Documents (5)
Document TitleDocument ID/SizeRevisionRevision Date
NCV890103MWGEVB Bill of Materials ROHS CompliantNCV890103MWGEVB_BOM_ROHS (129kB)0
NCV890103MWGEVB Evaluation Board User's ManualEVBUM2235/D (1097kB)0Apr, 2014
NCV890103MWGEVB Gerber Layout Files (Zip Format)NCV890103MWGEVB_GERBER (86kB)0
NCV890103MWGEVB SchematicNCV890103MWGEVB_SCHEMATIC (51kB)0
NCV890103MWGEVB Test ProcedureNCV890103MWGEVB_TEST_PROCEDURE (77kB)0
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
1.2A, 2MHz Automotive Buck Switching Regulator with RESETNCV890103/D (157kB)0Dec, 2014
Evaluation/Development Tool Information
ProductStatusComplianceShort Description
NCV890103MWGEVBActivePb-freeAutomotive Switching Regulator, Buck, 1.2 A, 2 MHz, Reset, Adjustable Delay Evaluation Board
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NCV890103MWTXGActiveAEC Qualified PPAP Capable Pb-free Halide freeDFN-10485C1Tape and Reel3000$1.2
Specifications
ProductTopologyControl ModeVCC Min (V)VCC Max (V)VO Typ (V)IO Typ (A)Efficiency (%)fSW Typ (kHz)
NCV890103MWTXGStep-DownCurrent Mode4.540Variable1.22000
1.2A, 2MHz Automotive Buck Switching Regulator with RESET (157kB) NCV890103
NCV890103/04 Design Worksheet - Continuous Conduction Mode NCV890104
Average model for ac simulation on PSPICE NCV890104
Average model for fast transient simulations on PSPICE (no switching) NCV890104
NCV890103MWGEVB
NCV890103MWGEVB
NCV890103MWGEVB
NCV890103MWGEVB
NCV890103MWGEVB
DFN10, 3x3, 0.5P NLAS4684
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