Texas Instruments · linear voltage regulator

LM3940

Texas Instruments linear voltage regulator

Part-number family from National Semiconductor (now Texas Instruments, 2011). Older stock may carry National Semiconductor markings.

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LM3940 is a linear voltage regulator product family from Texas Instruments; it is supplied under several orderable part numbers that differ in package, temperature grade and packing. It is listed in our Linear & LDO Regulators catalog (Power Management).

PartnerSemi sources the LM3940 for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberLM3940
ManufacturerTexas Instruments
Heritage brand (part family)National Semiconductor
Product typelinear voltage regulator
CategoryLinear & LDO Regulators
Part number typeBase / family part number

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

More Texas Instruments Linear & LDO Regulators

Part numberTypePackageKey specs
LM3480IM3X-3.3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23 100mA3.3V
LM3480IM3X-3.3/NOPB Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23 100mA3.3V
LM3480IM3X-5.0/NOPB Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23 100mA5V
LM350T/NOPB Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-220 3A1.2V~33V
LM3940IMP-3.3/NOPB Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223 1A3.3V
LM3940ISX-3.3/NOPB Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 1A3.3V
LM4510 linear voltage regulator
LM4510SD Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Frequently asked questions

What is the LM3940?

LM3940 is a linear voltage regulator product family from Texas Instruments; it is supplied under several orderable part numbers that differ in package, temperature grade and packing. It is listed in our Linear & LDO Regulators catalog (Power Management).

Which part numbers are similar to the LM3940?

Similar part numbers in our catalog include LM3480IM3X-3.3 (Texas Instruments), LM3480IM3X-3.3/NOPB (Texas Instruments), LM3480IM3X-5.0/NOPB (Texas Instruments), LM350T/NOPB (Texas Instruments), LM3940IMP-3.3/NOPB (Texas Instruments) and LM3940ISX-3.3/NOPB (Texas Instruments). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the LM3940?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LM3940&brand=Texas%20Instruments or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.