Texas Instruments LM2586SX-12
IC REG BST FLYBACK 12V 3A TO263
Answer first: this page is a purchasing reference for the exact part number LM2586SX-12 from Texas Instruments. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.
Key Parameters
| Part Number | LM2586SX-12 |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Voltage Regulators - DC DC Switching Regulators |
| package | TO-263-8, D2PAK (7 Leads + Tab), TO-263CA |
| series | SIMPLE SWITCHER® |
| packaging | Tape & Reel (TR) |
| product status | Obsolete |
| param 1 | Step-Up, Step-Up/Step-Down |
| param 2 | Positive |
| param 3 | Boost, Flyback, Forward Converter |
| param 4 | Fixed |
| param 5 | 1 |
| param 6 | 4V |
| param 7 | 40V |
| param 8 | 12V |
| param 9 | - |
| param 10 | 3A (Switch) |
| param 11 | 100kHz ~ 200kHz |
| param 12 | No |
| param 13 | -40°C ~ 125°C (TJ) |
| param 14 | - |
| param 15 | - |
| param 16 | Surface Mount |
| param 17 | TO-263 (DDPAK-7) |
Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.
How to Verify LM2586SX-12 Before Ordering
Datasheet and parameter checks
- Confirm the full manufacturer part number, not only a shortened search keyword.
- Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
- Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.
RFQ fields SENICO needs
- Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
- State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
- Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.
For LM2586SX-12, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.
We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.
Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.