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| Part Number | MAX8640ZELT18+T | MAX8640ZELT19+T | MAX8640ZEXT18+T | MAX8640YELT18+T | MAX8640ZELT15+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 |
| Product Status | Obsolete | Obsolete | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | - |
| Output Configuration | Positive | Positive | Positive | Positive | - |
| Topology | Buck | Buck | Buck | Buck | - |
| Output Type | Fixed | Fixed | Fixed | Fixed | - |
| Number of Outputs | 1 | 1 | 1 | 1 | - |
| Voltage - Input (Min) | 2.7V | 2.7V | 2.7V | 2.7V | - |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V | 5.5V | - |
| Voltage - Output (Min/Fixed) | 1.8V | 1.9V | 1.8V | 1.8V | - |
| Voltage - Output (Max) | - | - | - | - | - |
| Current - Output | 500mA | 500mA | 500mA | 500mA | - |
| Frequency - Switching | 4MHz | 4MHz | 4MHz | 2MHz | - |
| Synchronous Rectifier | 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) | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | - |
| Package / Case | 6-WFDFN | 6-WFDFN | 6-TSSOP, SC-88, SOT-363 | 6-WFDFN | - |
| Supplier Device Package | 6-uDFN (1.5x1) | 6-uDFN (1.5x1) | SC-70-6 | 6-uDFN (1.5x1) | - |
