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| Part Number | MAX8640ZEXT18+T | MAX8640ZEXT19+T | MAX8640YEXT18+T | MAX8640ZELT18+T | MAX8640ZEXT12+T | MAX8640ZEXT13+T | MAX8640ZEXT15+T |
|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Output Type | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 2.7V | 2.7V | 2.7V | 2.7V | 2.7V | 2.7V | 2.7V |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 1.8V | 1.9V | 1.8V | 1.8V | 1.2V | 1.3V | 1.5V |
| Voltage - Output (Max) | - | - | - | - | - | - | - |
| Current - Output | 500mA | 500mA | 500mA | 500mA | 500mA | 500mA | 500mA |
| Frequency - Switching | 4MHz | 4MHz | 2MHz | 4MHz | 3.6MHz | 3.7MHz | 3.9MHz |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 6-TSSOP, SC-88, SOT-363 | 6-TSSOP, SC-88, SOT-363 | 6-TSSOP, SC-88, SOT-363 | 6-WFDFN | 6-TSSOP, SC-88, SOT-363 | 6-TSSOP, SC-88, SOT-363 | 6-TSSOP, SC-88, SOT-363 |
| Supplier Device Package | SC-70-6 | SC-70-6 | SC-70-6 | 6-uDFN (1.5x1) | SC-70-6 | SC-70-6 | SC-70-6 |
