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Exact specifications should be obtained from the product data sheet.
| Manufacturer Product Number | MPQ4321GDE-5-AEC1-P |
| Manufacturer | Monolithic Power Systems Inc. |
| NavitasChip Part Number | NAVI-21706009 |
| Description | IC REG BUCK ADJ 1A 12QFN |
| Spec | 12-PowerVFQFN |
| Package | Tape & Reel (TR) |
| Datasheet | Datasheet |
Product Attributes
| Type | Description |
|---|---|
| Category | Voltage Regulators - DC DC Switching Regulators |
| Manufacturer | Monolithic Power Systems Inc. |
| 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) | 3.3V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 34.2V |
| Current - Output | 1A |
| Frequency - Switching | 350kHz ~ 2.5MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Mounting Type | Surface Mount, Wettable Flank |
| Supplier Device Package | 12-QFN (2x3) |
| Part Status | Active |
Documents & Media
| Resource Type | Link |
|---|---|
| Datasheet | Monolithic Power Systems Inc. MPQ4321GDE-5-AEC1-P Datasheet |
| Product Image | View Large Image |
Environmental & Export Classifications
| Attribute | Description |
|---|---|
| RoHS Status | RoHS Compliant |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
Product Description
The MPQ4321GDE-5-AEC1-P is a DC-DC Switching Voltage Regulator manufactured by Monolithic Power Systems Inc. (MPS). Integrated Circuit Regulator Buck Adjustable 1a in 12-Pin QFN Package, housed in a compact 12-QFN (2x3) package.
In today's market, discontinued DC-DC regulator series requiring drop-in replacements can affect many manufacturers. NavitasChip offers dependable alternatives.
Key Technical Specifications
- Output Type: Adjustable
- Operating Temperature: -40°C ~ 150°C (TJ)
- Mounting: Surface Mount, Wettable Flank
- Package: 12-PowerVFQFN
- Device Package: 12-QFN (2x3)
- RoHS Compliant
Applications
Perfect for:
- industrial automation
- buck-boost and SEPIC topology for wide input voltage applications
- high switching frequency enabling compact inductor and capacitor sizing
- embedded computing and edge gateway power management
Why Choose NavitasChip for MPQ4321GDE-5-AEC1-P?
NavitasChip offers global surplus sourcing network for the MPQ4321GDE-5-AEC1-P and thousands of other electronic components.
- Availability: Immediate Dispatch Available
- 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
As an independent distributor, we offer MPQ4321GDE-5-AEC1-P with flexible routing options.
MPQ4321GDE-5-AEC1-P - Check our competitive price now.
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 Monolithic Power Systems Inc.
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: 450 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