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Exact specifications should be obtained from the product data sheet.
Product Attributes
| Type | Description |
|---|---|
| Category | Voltage Regulators - DC DC Switching Regulators |
| Manufacturer | Unitrode |
| Package | Bulk |
| Product Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 2V |
| Voltage - Output (Max) | 3.5V |
| Frequency - Switching | Up to 300kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Through Hole |
| Supplier Device Package | 18-PDIP |
| Part Status | Active |
Documents & Media
| Resource Type | Link |
|---|---|
| Datasheet | Unitrode UC3870N-2 Datasheet |
| Product Image | View Large Image |
Environmental & Export Classifications
| Attribute | Description |
|---|---|
| RoHS Status | |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
Product Description
The UC3870N-2 is a DC-DC Switching Voltage Regulator manufactured by Unitrode. Integrated Circuit Regulator Buck Adjustable in 18-Pin PDIP Package, housed in a compact 18-PDIP package.
Facing supply gaps during industrial power product lifecycle ramps? NavitasChip provides agile sourcing solutions to keep your production running.
Key Technical Specifications
- Output Type: Adjustable
- Operating Temperature: 0°C ~ 70°C
- Mounting: Through Hole
- Package: 18-DIP (0.300", 7.62mm)
- Device Package: 18-PDIP
Applications
Essential component for:
- industrial automation
- fast load transient response for digital core power rails
- point-of-load (PoL) power conversion close to processor and FPGA loads
- industrial automation and process control power rails
Why Choose NavitasChip for UC3870N-2?
NavitasChip offers global surplus sourcing network for the UC3870N-2 and thousands of other electronic components.
- Availability: Ready to Ship
- Packaging: Available in factory Bulk or Custom Quantity. 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
UC3870N-2 sourced and shipped via our Asia-Pacific distribution network.
UC3870N-2 - Inquire for bulk discount.
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 Unitrode
More in Voltage Regulators - DC DC Switching Regulators
Shopping Guide
Payment Methods
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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: 1,642 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