LT8640EUDC-1#PBF
SearchConv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP Tube
Lifecycle: Active Supply Risk Score and Supply Risk Trend are available on Pro and Enterprise. Watchlist (Pro)
Datasheets:Datasheet (Farnell)
Country of origin: MYRoHS Compliant MSL MSL 1

Farnell(1/5)
Supply Risk Summary
Supply chain risk trend is available on Pro and Enterprise plans.
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View PlansConfirmed Stock
11,466
Availability is incomplete; unknown stock and unidentified marketplace inventory are excluded.
5 of 6 suppliers stocked
Best Unit Price
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Availability
5of 6 suppliers
Fastest delivery: 182 days
Shortest factory lead: 13 weeks
Stock by Supplier
Stock & Availability
| Supplier | Supplier Part Number | Stock | Delivery | Factory Lead | MOQ | Packaging | Status |
|---|---|---|---|---|---|---|---|
| 9,220 | — | — | Minimum order quantity 4 | — | In Stock | ||
| 2,097 | — | 15 weeks | Minimum order quantity 1Order multiple 91 | Tube | In Stock | ||
| 73 | — — — | 13 weeks — — | Minimum order quantity 1 Minimum order quantity 1 Minimum order quantity 1Order multiple 91 | — | In Stock | ||
| 67 | 182 days | — | Minimum order quantity 1 | — | In Stock | ||
| 9 | — | 22 weeks | Minimum order quantity 1Order multiple 91 | Tube | In Stock | ||
| 0 | — | — | Minimum order quantity 1Order multiple 91 | Tube-packed | No Stock |
Supplier Part Details
| Supplier | Description | RoHS | MSL | Life Cycle | SVHC | Category | Country | Weight | Tariff Code | Packaging | Links |
|---|---|---|---|---|---|---|---|---|---|---|---|
Digi-Key 505-LT8640EUDC-1#PBF-ND | Buck Switching Regulator IC Positive Adjustable 0.97V 1 Output 5A 20-WFQFN, 18 Leads, Exposed Pad | — | MSL 1 | Active | — | Integrated Circuits (ICs) | — | — | 8542.39.0070 (US HTS) | Tube | |
Farnell 4025135 | ANALOG DEVICES - LT8640EUDC-1#PBF - Synchroner DC/DC-Abwärts-Schaltregler (Buck), einstellbar, 2.9 bis 42Vin, 0.97V/5Aout, QFN-EP-18 | Yes | — | Active | No SVHC (04-Feb-2026) | — | MY | — | 85423990 (EU CN) | — | |
Verical LT8640EUDC-1#PBF | Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP Tube | Yes | — | Active | — | DC to DC Converter and Switching Regulator Chip | — | — | — | — | |
LCSC C580328 | 2MHz Step-down type Adjustable 5A QFN-20(3x4) Voltage Regulators - DC DC Switching Regulators RoHS | Yes | — | — | — | DC-DC Converters | — | 0.000083 g | — | Tube-packed | |
Mouser 584-LT8640EUDC-1#PBF | Switching Voltage Regulators 42V, 5A Sync Buck Silent Switcher w/ 2.5 | Yes | — | — | — | Switching Voltage Regulators | — | 0.000454 g | 8542399000 | Tube | |
Arrow USA LT8640EUDC-1#PBF | Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP Tube | Yes | — | Active | — | DC to DC Converter and Switching Regulator Chip | — | — | — | — | |
Winsource LT8640EUDC-1#PBF | IC REG BUCK ADJUSTABLE 5A 20QFN / Buck Switching Regulator IC Positive Adjustable 0.97V 1 Output 5A 20-WFQFN, 18 Leads, Exposed Pad | Yes | — | — | — | — | — | — | — | — | |
MyArrow LT8640EUDC-1#PBF | Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP Tube | Yes | — | Active | — | B | — | — | — | TUBE |
Technical Attributes
Anzahl der Ausgänge1Ausgänge
Anzahl der Pins18Pin(s)
AusgangEinstellbar
Ausgangsspannung, max.-
Ausgangsspannung, min.970mV
Ausgangsspannung, nom.-
Ausgangsstrom5A
Ausgangsstrom, max.5A
Bauform - DC/DC-Wandler-ICQFN-EP
Betriebstemperatur, max.125°C
Betriebstemperatur, min.-40°C
Eingangsspannung, max.42V
Eingangsspannung, min.2.9V
euEccnNLR
hazardousfalse
IC-Gehäuse / BauformQFN-EP
IC-MontageOberflächenmontage
isCanonicalY
MSLMSL 1 - unbegrenzt
productTraceabilityYes-Date/Lot Code
Produktpalette-
Qualifikation-
Qualifizierungsstandard der Automobilindustrie-
rohsPhthalatesCompliantYES
Schaltfrequenz2MHz
Schaltfrequenz, typ.2MHz
TopologieSynchroner Buck (Abwärts)
usEccnEAR99
Wirkungsgrad96%