LM5143QRWGRQ1 representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN19 sourced attributes1 source document

Texas Instruments · exact orderable part

LM5143QRWGRQ1

IC POWER MANAGEMENT

Product Status
Active
Function
Step-Down
Topology
Buck
Voltage - Supply (Vcc/Vdd)
3.5V ~ 65V
Frequency - Switching
100kHz ~ 2.2MHz
Clock Sync
Yes
Control Features
Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start
Duty Cycle (Max)
100%
Synchronous Rectifier
Yes
Original manufacturerCommercial terms confirmed per lot
ManufacturerTexas Instruments
Package / case40-VFQFN Exposed Pad
Mounting typeSurface Mount, Wettable Flank
PackingTape & Reel (TR); Cut Tape (CT); Digi-Reel®

Technical parameters

Technical specifications

LM5143QRWGRQ1 technical parameters
ParameterValue
Base Product NumberLM5143 [1]
Clock SyncYes [1]
Control FeaturesCurrent Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start [1]
Duty Cycle (Max)100% [1]
Frequency - Switching100kHz ~ 2.2MHz [1]
FunctionStep-Down [1]
MfrTexas Instruments [1]
Mounting TypeSurface Mount, Wettable Flank [1]
Number of Outputs2 [1]
Operating Temperature-40°C~150°C(TJ) [1]
Output ConfigurationPositive [1]
Output Phases2 [1]
Output TypeTransistor Driver [1]
SeriesAutomotive, AEC-Q100 [1]
Product StatusActive [1]
Synchronous RectifierYes [1]
TopologyBuck [1]
Voltage - Supply (Vcc/Vdd)3.5V ~ 65V [1]
Package / Case40-VFQFN Exposed Pad [1]

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