| PartNumber | MAX634ESA+ | MAX634EPA+ | MAX634EPA |
| Description | Switching Voltage Regulators CMOS uPower Invert Switching Reg | Switching Voltage Regulators CMOS uPower Invert Switching Reg | Switching Voltage Regulators CMOS uPower Invert Switching Reg |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y | N |
| Mounting Style | SMD/SMT | Through Hole | Through Hole |
| Package / Case | SOIC-8 | PDIP-8 | PDIP-8 |
| Output Voltage | - 5 V | - 18 V | - 18 V |
| Output Current | 1 mA | 150 mA | 150 mA |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Input Voltage MAX | 16.5 V | 16.5 V | 16.5 V |
| Topology | Inverting | Inverting | Inverting |
| Input Voltage MIN | 3 V | 2.3 V | 2.3 V |
| Switching Frequency | 75 kHz | 75 kHz | 75 kHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | MAX634E | MAX634E | MAX634E |
| Packaging | Tube | Tube | Tube |
| Height | 1.5 mm | 4.45 mm | 4.45 mm |
| Length | 5 mm | 9.91 mm | 9.91 mm |
| Type | Voltage Converter | Voltage Converter | Voltage Converter |
| Width | 4 mm | 7.87 mm | 7.87 mm |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Load Regulation | 0.4 % / V | 0.4 % / V | 0.4 % / V |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 100 | 50 | 50 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Part # Aliases | MAX634E | MAX634E | MAX634E |
| Unit Weight | 0.019048 oz | 0.032805 oz | 0.032805 oz |