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EN5311QI
1 A integrated PowerSoC synchronous buck converter with integrated inductor
Specifications
Key details
| Part Number | EN5311QI |
|---|---|
| Manufacturer | Intel Enpirion |
| Category | DC-DC Converter |
| Lifecycle Status | Obsolete |
| Series | EN5311 |
| Package / Case | 20-pin QFN, 4 mm × 5 mm |
| Pin Count | 20 |
| Operating Temperature | -40°C to +85°C |
| Last Verified | 2026-07-20 |
Overview
Part information
EN5311QI Overview
EN5311QI is a Intel Enpirion 1 A integrated PowerSoC synchronous buck converter with integrated inductor supplied in 20-pin QFN, 4 mm × 5 mm. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Output Current | 1 A |
|---|---|
| Input Voltage | 2.4 V to 6.6 V |
| Output Voltage | 0.8 V to 3.3 V by VID or 0.6 V to VIN by feedback |
| Topology | Synchronous buck PowerSoC |
| Integrated Inductor | Yes |
Package and Ordering Notes
The listed package is 20-pin QFN, 4 mm × 5 mm with 20 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. Lifecycle is recorded as Obsolete; confirm current factory support and last-time-buy constraints before design-in.
Sourcing Guidance
EN5311QI is obsolete or discontinued. Source only with date-code, label, package and traceability checks, and validate the suggested replacement independently.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against Intel Enpirion documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
Sourcing notes
Lifecycle and sourcing review
Obsolete
This part has a legacy lifecycle status. Submit the exact MPN, quantity, delivery destination and date-code requirements for a sourcing review.
EN5311QI is obsolete or discontinued. Source only with date-code, label, package and traceability checks, and validate the suggested replacement independently.
Alternatives
Potential alternative part numbers
Verify package, pinout, voltage, firmware behavior and qualification before substitution.