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Exact specifications should be obtained from the product data sheet.
| Manufacturer Product Number | LM43603DSUT |
| Manufacturer | Texas Instruments |
| NavitasChip Part Number | NAVI-7101311 |
| Description | IC REG BUCK ADJ 3A 16SON |
| Spec | 16-VFDFN Exposed Pad |
| Package | Tape & Reel (TR) |
| Datasheet | Datasheet |
Product Attributes
| Type | Description |
|---|---|
| Category | Voltage Regulators - DC DC Switching Regulators |
| Manufacturer | Texas Instruments |
| 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) | 1V |
| Voltage - Output (Max) | 28V |
| Current - Output | 3A |
| Frequency - Switching | 200kHz ~ 2.2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount, Wettable Flank |
| Supplier Device Package | 16-SON (4x5) |
| Part Status | Active |
Documents & Media
| Resource Type | Link |
|---|---|
| Datasheet | Texas Instruments LM43603DSUT Datasheet |
| Product Image | View Large Image |
Environmental & Export Classifications
| Attribute | Description |
|---|---|
| RoHS Status | RoHS Compliant |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
Product Description
The LM43603DSUT is a DC-DC Switching Voltage Regulator manufactured by Texas Instruments (TI). Integrated Circuit Regulator Buck Adjustable 3a in 16-Pin SON Package, housed in a compact 16-SON (4x5) package.
In today's market, switching regulator EOL and obsolescence disrupting production continuity can affect many manufacturers. NavitasChip offers dependable alternatives.
Key Technical Specifications
- Output Type: Adjustable
- Operating Temperature: -40°C ~ 125°C (TJ)
- Mounting: Surface Mount, Wettable Flank
- Package: 16-VFDFN Exposed Pad
- Device Package: 16-SON (4x5)
- RoHS Compliant
Applications
Critical part of:
- point-of-load (PoL) power conversion close to processor and FPGA loads
- industrial automation and process control power rails
- consumer electronics and IoT edge devices
- embedded computing and edge gateway power management
Why Choose NavitasChip for LM43603DSUT?
NavitasChip offers cost-saving procurement for the LM43603DSUT and thousands of other electronic components.
- Availability: Ready to Ship
- 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
LM43603DSUT available for international procurement with multiple shipping origin options.
LM43603DSUT - 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 Texas Instruments
More in Voltage Regulators - DC DC Switching Regulators
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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.
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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: 480 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