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| Part Number | MAX643AESA+T | MAX633AESA+T | MAX641AESA+T | MAX642AESA+T | MAX643ACSA+T | MAX643AESA+ |
|---|---|---|---|---|---|---|
| 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 |
| Product Status | Active | Active | Active | Obsolete | Active | Active |
| Function | Step-Up | Step-Up | Step-Up | Step-Up | Step-Up | Step-Up |
| Output Configuration | Positive | Positive or Negative | Positive | Positive | Positive | Positive |
| Topology | Boost | Boost, Charge Pump | Boost | Boost | Boost | Boost |
| Output Type | Adjustable (Fixed) | Adjustable (Fixed) | Adjustable (Fixed) | Adjustable (Fixed) | Adjustable (Fixed) | Adjustable (Fixed) |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 2V | 2V | 2V | 2V | 2V | 2V |
| Voltage - Input (Max) | 16.5V | 16.5V | 16.5V | 16.5V | 16.5V | 16.5V |
| Voltage - Output (Min/Fixed) | 1.31V (15V) | 1.31V (15V) | 1.31V (5V) | 1.31V (12V) | 1.31V (15V) | 1.31V (15V) |
| Voltage - Output (Max) | 18V (Switch) | 18V (Switch) | 18V (Switch) | 18V (Switch) | 18V (Switch) | 18V (Switch) |
| Current - Output | 450mA (Switch) | 450mA (Switch) | 450mA (Switch) | 450mA (Switch) | 450mA (Switch) | 450mA (Switch) |
| Frequency - Switching | 50kHz | 50kHz | 45kHz | 50kHz | 50kHz | 50kHz |
| Synchronous Rectifier | No | No | No | No | No | No |
| 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) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
