| Part Number | MAX634CPA | MAX639CPA |
|---|---|---|
| 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-Up/Step-Down | Step-Down |
| Output Configuration | Negative | Positive |
| Topology | Buck-Boost | Buck |
| Output Type | Adjustable | Adjustable (Fixed) |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 2.6V | 4V |
| Voltage - Input (Max) | 16.5V | 11.5V |
| Voltage - Output (Min/Fixed) | -2.6V | 1.3V (5V) |
| Voltage - Output (Max) | -20V | 11.5V |
| Current - Output | 150mA | 225mA |
| Frequency - Switching | 100Hz ~ 75kHz | - |
| Synchronous Rectifier | No | No |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-PDIP | 8-PDIP |