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| Part Number | MAX6643LBFAEE+T | MAX6643LBBAEE+T | MAX6643LBFAEE+ |
|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Active |
| Function | Fan Control, Temp Monitor | Fan Control, Temp Monitor | Fan Control, Temp Monitor |
| Sensor Type | Internal and External | Internal and External | Internal and External |
| Sensing Temperature | -40°C ~ 125°C, External Sensor | -40°C ~ 125°C, External Sensor | -40°C ~ 125°C, External Sensor |
| Accuracy | ±3.5°C Local(Max), ±3°C Remote(Max) | ±3.5°C Local(Max), ±3°C Remote(Max) | ±3.5°C Local(Max), ±3°C Remote(Max) |
| Topology | ADC, PWM Generator, Tach Counter | ADC, PWM Generator, Tach Counter | ADC, PWM Generator, Tach Counter |
| Output Type | PWM | PWM | PWM |
| Output Alarm | Yes | Yes | Yes |
| Output Fan | Yes | Yes | Yes |
| Voltage - Supply | 3V ~ 5.5V | 3V ~ 5.5V | 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | 16-SSOP (0.154", 3.90mm Width) | 16-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 16-QSOP | 16-QSOP | 16-QSOP |
