


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/DC-DC Power Modules | |
| Manufacturer | FH (Guangdong Fenghua Advanced Tech) | |
| Package | BGA-77(9x15) | |
| Output Current(Max) | 4A | |
| Output Voltage Accuracy | ±1% | |
| Operating Temperature Range | -55℃~+125℃ | |
| Number of Outputs | 4 | |
| Conversion Efficiency | 92% | |
| Function | Step-down type | |
| Type | Plastic encapsulated type | |
| Length | 15mm | |
| Voltage - Supply | 4V~15V | |
| Switching Frequency | 1MHz | |
| Height | 5.01mm | |
| Features | Over-temperature protection、Over Current Protection、Overvoltage protection、Under Voltage Protection、Programmable output voltage、Power-on timing control、Programmable soft start | |
| Width | 9mm | |
| Output Voltage | 800mV~5.5V | |
| Quiescent Supply Current | 15uA | |
| Ripple Noise | 15mVp-p |

* 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.
FHT4644EY technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Modules/DC-DC Power Modules | |
| Manufacturer | FH (Guangdong Fenghua Advanced Tech) | |
| Package | BGA-77(9x15) | |
| Output Current(Max) | 4A | |
| Output Voltage Accuracy | ±1% | |
| Operating Temperature Range | -55℃~+125℃ | |
| Number of Outputs | 4 | |
| Conversion Efficiency | 92% | |
| Function | Step-down type | |
| Type | Plastic encapsulated type | |
| Length | 15mm | |
| Voltage - Supply | 4V~15V | |
| Switching Frequency | 1MHz | |
| Height | 5.01mm | |
| Features | Over-temperature protection、Over Current Protection、Overvoltage protection、Under Voltage Protection、Programmable output voltage、Power-on timing control、Programmable soft start | |
| Width | 9mm | |
| Output Voltage | 800mV~5.5V | |
| Quiescent Supply Current | 15uA | |
| Ripple Noise | 15mVp-p |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the FHT4644EY. 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.

FHT4644EY datasheets or manufacturer documentation.
Datasheet: FHT4644EY Datasheet (PDF)
The FHT4644EY schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.