Texas Instruments · DC-DC converter IC

LM78S40

Texas Instruments DC-DC converter IC

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

Request a quote for LM78S40

LM78S40 is a DC-DC converter IC 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 DC-DC Converters catalog (Power Management).

PartnerSemi sources the LM78S40 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 numberLM78S40
ManufacturerTexas Instruments
Heritage brand (part family)National Semiconductor
Product typeDC-DC converter IC
CategoryDC-DC Converters
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 DC-DC Converters

Part numberTypePackageKey specs
LM76003RNPR DC-DC Converters WQFN-30-EP(4x6) 2.2MHz3.5A
LM77 DC-DC converter IC
LM7705 DC-DC converter IC
LM7705MM/NOPB Charge Pumps MSOP-8 92kHz26mA
LM78S40CN/NOPB DC-DC Converters DIP-16 100Hz~100kHz1.5A
LM828 DC-DC converter IC
LM828M5/NOPB Charge Pumps SOT-23-5 12kHz25mA
LM828M5X/NOPB Charge Pumps SOT-23-5 12kHz25mA

Frequently asked questions

What is the LM78S40?

LM78S40 is a DC-DC converter IC 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 DC-DC Converters catalog (Power Management).

Which part numbers are similar to the LM78S40?

Similar part numbers in our catalog include LM76003RNPR (Texas Instruments), LM77 (Texas Instruments), LM7705 (Texas Instruments), LM7705MM/NOPB (Texas Instruments), LM78S40CN/NOPB (Texas Instruments) and LM828 (Texas Instruments). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the LM78S40?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LM78S40&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.