| Part Number | MAX634CSA+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 | 
|   |   | |
| Product Status | Last Time Buy | Last Time Buy | 
| Function | Step-Up/Step-Down | Step-Up/Step-Down | 
| Output Configuration | Negative | Negative | 
| Topology | Buck-Boost | Buck-Boost | 
| Output Type | Adjustable | Adjustable | 
| Number of Outputs | 1 | 1 | 
| Voltage - Input (Min) | 2.6V | 2.6V | 
| Voltage - Input (Max) | 16.5V | 16.5V | 
| Voltage - Output (Min/Fixed) | -2.6V | -2.6V | 
| Voltage - Output (Max) | -20V | -20V | 
| Current - Output | 150mA | 150mA | 
| Frequency - Switching | 100Hz ~ 75kHz | 100Hz ~ 75kHz | 
| Synchronous Rectifier | No | No | 
| Operating Temperature | 0°C ~ 70°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 |