Allegro MicroSystems A4403GEUTR-T
IC REG BUCK ADJ 3A 16QFN
Answer first: this page is a purchasing reference for the exact part number A4403GEUTR-T from Allegro MicroSystems. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.
Key Parameters
| Part Number | A4403GEUTR-T |
|---|---|
| Manufacturer | Allegro MicroSystems |
| Category | Voltage Regulators - DC DC Switching Regulators |
| package | 16-WQFN Exposed Pad |
| series | - |
| packaging | Tape & Reel (TR) |
| product status | Active |
| param 1 | Step-Down |
| param 2 | Positive |
| param 3 | Buck |
| param 4 | Adjustable |
| param 5 | 1 |
| param 6 | 9V |
| param 7 | 46V |
| param 8 | 0.8V |
| param 9 | 46V |
| param 10 | 3A |
| param 11 | 450kHz ~ 2MHz |
| param 12 | No |
| param 13 | -40°C ~ 105°C (TA) |
| param 14 | - |
| param 15 | - |
| param 16 | Surface Mount |
| param 17 | 16-QFN (4x4) |
Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.
How to Verify A4403GEUTR-T Before Ordering
Datasheet and parameter checks
- Confirm the full manufacturer part number, not only a shortened search keyword.
- Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
- Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.
RFQ fields SENICO needs
- Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
- State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
- Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.
For A4403GEUTR-T, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.
We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.
Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.