| Part Number | MAX639ESA+T | MAX634ESA+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 | Active | Last Time Buy |
| Function | Step-Down | Step-Up/Step-Down |
| Output Configuration | Positive | Negative |
| Topology | Buck | Buck-Boost |
| Output Type | Adjustable (Fixed) | Adjustable |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 4V | 2.6V |
| Voltage - Input (Max) | 11.5V | 16.5V |
| Voltage - Output (Min/Fixed) | 1.3V (5V) | -2.6V |
| Voltage - Output (Max) | 11.5V | -20V |
| Current - Output | 225mA | 150mA |
| Frequency - Switching | - | 100Hz ~ 75kHz |
| 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 |