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| PartNumber | PM6644TR | PM6644 | PM6644TR , HMBT1815SN6T1 |
| Description | Switching Voltage Regulators 350 mA adj step-down 4.5 to 25V -40, 150c | Switching Voltage Regulators 350mA adjust SD reg 4.5V to 25V 350mA | |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | DFN-10 | DFN-10 | - |
| Output Voltage | 900 mV to 8 V | - | - |
| Output Current | 350 mA | - | - |
| Input Voltage MAX | 25 V | - | - |
| Topology | Buck | Buck | - |
| Switching Frequency | 200 kHz to 600 kHz | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Series | PM6644 | PM6644 | - |
| Packaging | Reel | Tube | - |
| Input Voltage | 4.5 V to 25 V | - | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 4000 | 100 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.001764 oz | 0.001764 oz | - |