Texas Instruments · linear voltage regulator
LM317
Texas Instruments linear voltage regulator
Part-number family from National Semiconductor (now Texas Instruments, 2011). Older stock may carry National Semiconductor markings.
Request a quote for LM317LM317 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 LM317 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 | LM317 |
|---|---|
| Manufacturer | Texas Instruments |
| Heritage brand (part family) | National Semiconductor |
| Product type | linear voltage regulator |
| Category | Linear & LDO Regulators |
| 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 Linear & LDO Regulators
| Part number | Type | |
|---|---|---|
| LM2990T-5.0/NOPB | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM2991 | linear voltage regulator | |
| LM2991S/NOPB | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM2991SX/NOPB | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM317A | linear voltage regulator | |
| LM317AEMP/NOPB | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM317AEMPX/NOPB | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM317AMDTX/NOPB | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators |
Similar part numbers from other manufacturers
Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.
| Part number | Manufacturer | Type | |
|---|---|---|---|
| LM317 | Foshan Blue Rocket Electronics | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM317 | GOODWORK | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM317 | HXY MOSFET | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM317 | Jiangsu Changjing Electronics Technology Co Ltd | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM317 | Slkor SLKORMICRO Electronics | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM317 | TDSEMIC | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM317 | YFW | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| LM317C | Jiangsu Changjing Electronics Technology Co Ltd | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators |
Frequently asked questions
What is the LM317?
LM317 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 LM317?
Similar part numbers in our catalog include LM317 (Foshan Blue Rocket Electronics), LM317 (GOODWORK), LM317 (HXY MOSFET), LM317 (Jiangsu Changjing Electronics Technology Co Ltd), LM317 (Slkor SLKORMICRO Electronics) and LM317 (TDSEMIC). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.
How can I buy the LM317?
Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LM317&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.