ST1S31PUR
SearchBuck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-VDFN Exposed Pad
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 1Integrated Circuits (ICs)

Farnell(1/4)
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View PlansConfirmed Stock
49,928
3 of 10 suppliers stocked
Best Unit Price
—
Availability
3of 10 suppliers
Fastest delivery: 218 days
Shortest factory lead: 30 weeks
Stock by Supplier
Stock & Availability
| Supplier | Supplier Part Number | Stock | Delivery | Factory Lead | MOQ | Packaging | Status |
|---|---|---|---|---|---|---|---|
| 14,500 | 218 days | — | Minimum order quantity 1 | — | In Stock | ||
| 14,500 | 218 days | — | Minimum order quantity 100 | — | In Stock | ||
497-13213-1-ND | 5,546 | — | 30 weeks | Minimum order quantity 1 | Cut Tape (CT) | In Stock | |
497-13213-2-ND | 5,546 | — | 30 weeks | Minimum order quantity 3,000Order multiple 3,000 | Tape & Reel (TR) | In Stock | |
497-13213-6-ND | 5,546 | — | 30 weeks | Minimum order quantity 1 | Digi-Reel® | In Stock | |
| 4,290 | — | 30 weeks | Minimum order quantity 1 | Reel, Cut Tape, MouseReel | In Stock | ||
ST1S31PUR | 0 | 212 days | — | Minimum order quantity 3,000Order multiple 3,000 | — | No Stock | |
ST1S31PUR | 0 | 212 days | — | Minimum order quantity 3,000Order multiple 3,000 | — | No Stock | |
| 0 | — | 30 weeks | Minimum order quantity 3,000Order multiple 3,000 | REEL | No Stock | ||
| 0 | — | — | Minimum order quantity 3,000Order multiple 3,000 | TAPE/REEL | No Stock |
Supplier Part Details
| Supplier | Description | RoHS | MSL | Life Cycle | SVHC | Category | Country | Weight | Tariff Code | Packaging | Links |
|---|---|---|---|---|---|---|---|---|---|---|---|
Digi-Key 497-13213-1-ND | Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-VDFN Exposed Pad | — | MSL 1 | Active | — | Integrated Circuits (ICs) | — | — | 8542.39.0070 (US HTS) | Cut Tape (CT) | |
Digi-Key 497-13213-2-ND | Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-VDFN Exposed Pad | — | MSL 1 | Active | — | Integrated Circuits (ICs) | — | — | 8542.39.0070 (US HTS) | Tape & Reel (TR) | |
Digi-Key 497-13213-6-ND | Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-VDFN Exposed Pad | — | MSL 1 | Active | — | Integrated Circuits (ICs) | — | — | 8542.39.0070 (US HTS) | Digi-Reel® | |
MyArrow ST1S31PUR | Conv DC-DC 2.8V to 5.5V Synchronous Step Down Single-Out 0.8V to 5.5V 3A 8-Pin VFDFPN EP T/R | Yes | — | Active | — | D | — | — | 85423990 (EU CN) | TAPE/REEL | |
Mouser 511-ST1S31PUR | Switching Voltage Regulators 3A DC Step Down REG 2.8V to 5.5V 1.5MHz | Yes | — | — | — | Switching Voltage Regulators | — | 0.000022 g | 8542399000 (EU TARIC) | Reel, Cut Tape, MouseReel | |
Avnet EBV ST1S31PUR | 3 A DC step-down switching regulator | Yes | — | — | — | — | — | — | — | — | |
Farnell 2311346 | STMICROELECTRONICS - ST1S31PUR - DC/DC-Abwärts-Schaltregler (Buck), einstellbar, 2.8V-5.5Vin, 3Aout, 1.9MHz, VFDFPN-8 | Yes | — | Active | No SVHC (25-Jun-2025) | — | MY | — | 85423990 (EU CN) | — | |
Farnell 2311346RL | STMICROELECTRONICS - ST1S31PUR - DC/DC-Abwärts-Schaltregler (Buck), einstellbar, 2.8V-5.5Vin, 3Aout, 1.9MHz, VFDFPN-8 | Yes | — | Active | No SVHC (25-Jun-2025) | — | MY | — | 85423990 (EU CN) | — | |
Future Electronics ST1S31PUR | ST1S31 Series 5.5 V 1.5MHz 3 A DC Step-Down Switching Regulator - VFDFPN-8 | Yes | — | Active | — | switching regulators | — | — | — | REEL | |
Avnet Silica ST1S31PUR | VFDFPN 8/I°/3 A DC step-down switching regulator | Yes | — | — | — | — | — | — | — | — |
Technical Attributes
Input Voltage5.5
Input Voltage (Min)2.8
Line Regulation0.3%
Load Regulation0.6%
MountingSurface Mount
Number of Outputs1
Operating Temp Range-40C to 150C
Operating Temperature ClassificationAutomotive
Output Current3
Output TypeAdjustable
Output Voltage0.8 to 5.5
Package TypeVFDFPN EP
PackagingTape and Reel
Pin Count8
Switching Freq1900
Switching RegulatorYes