STMicroelectronics · Other integrated circuits
PM6644
IC REG BCK ADJ/3.47V 350MA 10DFN
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PM6644 specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | PM6644 |
| Family | Other integrated circuits |
| Package | 10-VFDFN Exposed Pad |
| Product Status | Discontinued at Digi-Key |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable (Fixed) |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 25V |
| Voltage - Output (Min/Fixed) | 0.9V (3.47V) |
| Voltage - Output (Max) | 8V |
| Current - Output | 350mA |
| Frequency - Switching | 200kHz ~ 600kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 10-VFDFN Exposed Pad |
| Supplier Device Package | 10-DFN (3x3) |
Documents and evidence
PM6644 ↗Before sourcing PM6644
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
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