Texas Instruments · supervisor / reference IC
LM4040
Texas Instruments supervisor / reference IC
Part-number family from National Semiconductor (now Texas Instruments, 2011). Older stock may carry National Semiconductor markings.
Request a quote for LM4040LM4040 is a supervisor / reference 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 Supervisors & Voltage References catalog (Power Management).
PartnerSemi sources the LM4040 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 number | LM4040 |
|---|---|
| Manufacturer | Texas Instruments |
| Heritage brand (part family) | National Semiconductor |
| Product type | supervisor / reference IC |
| Category | Supervisors & Voltage References |
| Part number type | Base / family part number |
Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.
More Texas Instruments Supervisors & Voltage References
| Part number | Type | |
|---|---|---|
| LM4030AMF-4.096/NOPB | Voltage Reference | |
| LM4030BMF-2.5/NOPB | Voltage Reference | |
| LM4030BMFX4.096/NOPB | Voltage Reference | |
| LM4030CMF-2.5/NOPB | Voltage Reference | |
| LM4040A20IDBZR | Voltage Reference | |
| LM4040A25IDBZR | Voltage Reference | |
| LM4040A25IDBZT | Voltage Reference | |
| LM4040A30IDBZR | Voltage Reference |
Similar part numbers from other manufacturers
Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.
| Part number | Manufacturer | Type | |
|---|---|---|---|
| LM4040AIM3-2.5 | Analog Devices (Maxim Integrated) | Voltage Reference | |
| LM4040B25FTA | Diodes Incorporated | Voltage Reference | |
| LM4040B30FTA | Diodes Incorporated | Voltage Reference | |
| LM4040B50FTA | Diodes Incorporated | Voltage Reference | |
| LM4040C25FTA | Diodes Incorporated | Voltage Reference | |
| LM4040C30FTA | Diodes Incorporated | Voltage Reference | |
| LM4040C33FTA | Diodes Incorporated | Voltage Reference | |
| LM4040C50FTA | Diodes Incorporated | Voltage Reference |
Frequently asked questions
What is the LM4040?
LM4040 is a supervisor / reference 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 Supervisors & Voltage References catalog (Power Management).
Which part numbers are similar to the LM4040?
Similar part numbers in our catalog include LM4040AIM3-2.5 (Analog Devices (Maxim Integrated)), LM4040B25FTA (Diodes Incorporated), LM4040B30FTA (Diodes Incorporated), LM4040B50FTA (Diodes Incorporated), LM4040C25FTA (Diodes Incorporated) and LM4040C30FTA (Diodes Incorporated). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.
How can I buy the LM4040?
Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LM4040&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.