| Part Number | MAX640ESA-T | MAX680ESA-T |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
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| Product Status | Obsolete | Obsolete |
| Function | Step-Down | Ratiometric |
| Output Configuration | Positive | Positive and Negative (Dual Rail) |
| Topology | Buck | Charge Pump |
| Output Type | Adjustable (Fixed) | Fixed |
| Number of Outputs | 1 | 2 |
| Voltage - Input (Min) | 4V | 2V |
| Voltage - Input (Max) | 11.5V | 6V |
| Voltage - Output (Min/Fixed) | 1.3V (3.3V) | ±2Vin |
| Voltage - Output (Max) | 11.5V | - |
| Current - Output | 225mA | 10mA |
| Frequency - Switching | - | 8kHz |
| Synchronous Rectifier | No | No |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC |