Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image

Exact MPN14 sourced attributes1 source document

Texas Instruments · exact orderable part

LM3940LDX-3.3

Name: LM3940LDX-3.3
Brand: Texas Instruments

IC REG LINEAR 3.3V 1A 8WSON

Original manufacturerCommercial terms confirmed per lot

ManufacturerTexas Instruments

Package / case8-WDFN Exposed Pad

Mounting typeSurface Mount

PackingTape & Reel (TR)

Technical parameters

Technical specifications

14 normalized values · 1 validated source

LM3940LDX-3.3 technical parameters
Parameter	Value
Base Product Number	LM3940 [1]
Current - Output	1A [1]
Mfr	Texas Instruments [1]
Mounting Type	Surface Mount [1]
Number of Regulators	1 [1]
Operating Temperature	-40°C~125°C [1]
Output Configuration	Positive [1]
Output Type	Fixed [1]
Product Status	Obsolete [1]
Protection Features	Over Temperature, Short Circuit [1]
Voltage - Input (Max)	7.5V [1]
Voltage - Output (Min/Fixed)	3.3V [1]
Voltage Dropout (Max)	0.2V @ 100mA [1]
Package / Case	8-WDFN Exposed Pad [1]

Catalog relationships

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

Related exact parts

Browse exact MPNs and compare their specifications. These links do not imply compatibility or interchangeability.