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Exact specifications should be obtained from the product data sheet.
| Manufacturer Product Number | ARG81800KESJSR |
| Manufacturer | Allegro MicroSystems |
| NavitasChip Part Number | NAVI-10483452 |
| Description | IC REG BUCK ADJ 1A 20QFN |
| Spec | 20-WFQFN Exposed Pad |
| Package | Tape & Reel (TR) |
| Datasheet | Datasheet |
Product Attributes
| Type | Description |
|---|---|
| Category | Voltage Regulators - DC DC Switching Regulators |
| Manufacturer | Allegro MicroSystems |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.5V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 36V |
| Current - Output | 1A |
| Frequency - Switching | 250kHz ~ 2.4MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Mounting Type | Surface Mount, Wettable Flank |
| Supplier Device Package | 20-QFN (4x4) |
| Part Status | Active |
Documents & Media
| Resource Type | Link |
|---|---|
| Datasheet | Allegro MicroSystems ARG81800KESJSR Datasheet |
| Product Image | View Large Image |
Environmental & Export Classifications
| Attribute | Description |
|---|---|
| RoHS Status | RoHS Compliant |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
Product Description
The ARG81800KESJSR is a DC-DC Switching Voltage Regulator manufactured by Allegro MicroSystems. Integrated Circuit Regulator Buck Adjustable 1a in 20-Pin QFN Package, housed in a compact 20-QFN (4x4) package.
Facing distributor allocation reducing switching power IC availability? NavitasChip provides agile sourcing solutions to keep your production running.
Key Technical Specifications
- Output Type: Adjustable
- Operating Temperature: -40°C ~ 150°C (TJ)
- Mounting: Surface Mount, Wettable Flank
- Package: 20-WFQFN Exposed Pad
- Device Package: 20-QFN (4x4)
- RoHS Compliant
Applications
Designed for:
- boost converter and step-up power conversion
- multi-output and multi-rail power conversion architectures
- consumer electronics and IoT edge devices
Why Choose NavitasChip for ARG81800KESJSR?
NavitasChip offers cost-effective alternative to authorized distributors for the ARG81800KESJSR and thousands of other electronic components.
- Availability: In Inventory
- Packaging: Available in factory Tape & Reel (TR) or Cut Tape. All custom quantities are professionally repackaged with ESD Shielding and Vacuum-Sealed MBB (Moisture Barrier Bags) in strict adherence to MSL standards.
- Fast Shipping: Ships from Shenzhen / Hong Kong / Singapore via DHL/FedEx/UPS
- Quality Assurance: Inbound check with MPN and Date Code review
- Technical Support: Datasheet and compliance documentation available
Global Shipping
Ships from Hong Kong, Singapore, or Shenzhen based on destination requirements.
ARG81800KESJSR - Upload your BOM for fast pricing.
Disclaimer: NavitasChip is an independent distributor of electronic components. We are not affiliated with, endorsed by, or an authorized distributor for the manufacturers listed on this page. All trademarks and brand names are the property of their respective owners and are used solely for identification purposes.
Stock quantities are dynamic and updated in real-time. For large quantity orders (1,000+ units), please contact us for real-time stock verification and custom pricing.
More from Allegro MicroSystems
More in Voltage Regulators - DC DC Switching Regulators
Shopping Guide
Payment Methods
We accept PayPal, credit cards (Visa/Mastercard/Amex), and wire transfer (T/T). All transactions secured.
Request for Quote (RFQ)
- For items in stock with listed prices, you can place your order directly.
- For out-of-stock or unpriced items, please submit an RFQ and we will respond within 24 hours.
Supply Information
- Spot Stock: Available from our verified global supply network.
- Franchise Sources: Components from authorized distribution channels when available.
- OEM Surplus: Excess inventory from OEM and EMS production lines.
- Qualified Suppliers: Provided by vetted independent suppliers who meet our quality and traceability standards.
About Shipping Costs
If you use our shipping account, shipping fees will be paid at checkout. If you use your own account, shipping fees will be settled directly between you and the courier company.
Note: Customers are responsible for all customs duties, taxes, or other charges. NavitasChip is not responsible for any additional fees after the package is shipped.
Shipping Methods
We offer shipping services via DHL, FedEx, UPS, and SF Express.
Delivery Time
- Spot Stock (HK/SZ warehouse): Ships within 24 hours when order confirmed before 14:00 GMT+8.
- Verified Supplier Network: Ships within 3 business days after sourcing confirmation.
- Out-of-stock items: Lead times provided per quote (typically 2-4 weeks).
- Actual delivery time depends on your selected courier service (DHL/FedEx/UPS/SF Express).
Quality Assurance
- 60-Day Quality Pledge — every order covered against material defects
- Third-Party Lab Testing available (AS6081 Process Aligned, ISO/IEC 17025 verification)
- RoHS / REACH Compliance verified through OCM official databases
- Distributor Certificate of Conformance (CoC) issued with every shipment
In Stock: 11,614 pcs
Ready to ship immediately
Lead Time
18 Weeks
Factory standard
Need a quote? We'll respond within 24 hours.
Payment Methods
T/T
WU
Delivery Services
TNT
SF