LM3743MMX-300 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

LM3743MMX-300

IC REG CTRLR BUCK 10MSOP

Product Status
Obsolete
Function
Step-Down
Topology
Buck
Voltage - Supply (Vcc/Vdd)
3V ~ 5.5V
Frequency - Switching
300kHz
Clock Sync
No
Control Features
Current Limit, Enable, Soft Start, Tracking
Duty Cycle (Max)
91%
Synchronous Rectifier
Yes
Original manufacturerCommercial terms confirmed per lot
ManufacturerTexas Instruments
Package / case10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting typeSurface Mount
PackingTape & Reel (TR)

Technical parameters

Technical specifications

LM3743MMX-300 technical parameters
ParameterValue
Base Product NumberLM3743 [1]
Clock SyncNo [1]
Control FeaturesCurrent Limit, Enable, Soft Start, Tracking [1]
Duty Cycle (Max)91% [1]
Frequency - Switching300kHz [1]
FunctionStep-Down [1]
MfrTexas Instruments [1]
Mounting TypeSurface Mount [1]
Number of Outputs1 [1]
Operating Temperature-40°C~125°C(TJ) [1]
Output ConfigurationPositive [1]
Output Phases1 [1]
Output TypeTransistor Driver [1]
Product StatusObsolete [1]
Synchronous RectifierYes [1]
TopologyBuck [1]
Voltage - Supply (Vcc/Vdd)3V ~ 5.5V [1]
Package / Case10-TFSOP, 10-MSOP (0.118", 3.00mm Width) [1]

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