



Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Power Modules/Isolated Power Modules | |
| Manufacturer | Intel/Altera | |
| Package | QFN-20-EP(4x5) | |
| Operating Temperature | -40℃~+85℃ | |
| Conversion Efficiency | 94% | |
| Output Current(Max) | 1A | |
| Length | 5mm | |
| Voltage - Supply | 2.4V~6.6V | |
| Frequency | 4MHz | |
| Height | 1.1mm | |
| Features | Short Circuit Protection、Over Current Protection、Under Voltage Protection、Over-temperature protection、Automatic fault recovery、Synchronous rectification control、Dynamic voltage scaling | |
| Width | 4mm | |
| Output Voltage | 600mV~6V | |
| Ripple Noise | 5mVp-p | |
| Quiescent Supply Current | 1uA | |
| Number of Outputs | 1 |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
EN5311QI technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Modules/Isolated Power Modules | |
| Manufacturer | Intel/Altera | |
| Package | QFN-20-EP(4x5) | |
| Operating Temperature | -40℃~+85℃ | |
| Conversion Efficiency | 94% | |
| Output Current(Max) | 1A | |
| Length | 5mm | |
| Voltage - Supply | 2.4V~6.6V | |
| Frequency | 4MHz | |
| Height | 1.1mm | |
| Features | Short Circuit Protection、Over Current Protection、Under Voltage Protection、Over-temperature protection、Automatic fault recovery、Synchronous rectification control、Dynamic voltage scaling | |
| Width | 4mm | |
| Output Voltage | 600mV~6V | |
| Ripple Noise | 5mVp-p | |
| Quiescent Supply Current | 1uA | |
| Number of Outputs | 1 |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the EN5311QI. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

EN5311QI datasheets or manufacturer documentation.
Datasheet: EN5311QI Datasheet (PDF)
The EN5311QI schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.