LM5642MTCX representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN18 sourced attributes1 source document

Texas Instruments · exact orderable part

LM5642MTCX

IC REG CTRLR BUCK 28TSSOP

Product Status
Not For New Designs
Function
Step-Down
Topology
Buck
Voltage - Supply (Vcc/Vdd)
4.5V ~ 36V
Frequency - Switching
200kHz
Clock Sync
Yes
Control Features
Current Limit, Enable, Soft Start
Duty Cycle (Max)
98.9%
Synchronous Rectifier
Yes
Original manufacturerCommercial terms confirmed per lot
ManufacturerTexas Instruments
Package / case28-TSSOP (0.173", 4.40mm Width)
Mounting typeSurface Mount
PackingTape & Reel (TR); Cut Tape (CT); Digi-Reel®

Technical parameters

Technical specifications

LM5642MTCX technical parameters
ParameterValue
Base Product NumberLM5642 [1]
Clock SyncYes [1]
Control FeaturesCurrent Limit, Enable, Soft Start [1]
Duty Cycle (Max)98.9% [1]
Frequency - Switching200kHz [1]
FunctionStep-Down [1]
MfrTexas Instruments [1]
Mounting TypeSurface Mount [1]
Number of Outputs2 [1]
Operating Temperature-40°C~125°C(TJ) [1]
Output ConfigurationPositive [1]
Output Phases2 [1]
Output TypeTransistor Driver [1]
Product StatusNot For New Designs [1]
Synchronous RectifierYes [1]
TopologyBuck [1]
Voltage - Supply (Vcc/Vdd)4.5V ~ 36V [1]
Package / Case28-TSSOP (0.173", 4.40mm Width) [1]

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