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| PartNumber | MAX638AESA+ | MAX638AEPA+ | MAX638AEJA |
| Description | Switching Voltage Regulators 5V Adjustable Step-Down | Switching Voltage Regulators 5V Adjustable Step-Down | Switching Voltage Regulators |
| Manufacturer | Maxim Integrated | Maxim Integrated | - |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | Through Hole | - |
| Package / Case | SOIC-Narrow-8 | PDIP-8 | - |
| Output Voltage | 16 V | 16 V | - |
| Output Current | 75 mA | 75 mA | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Input Voltage MAX | 16.5 V | 16.5 V | - |
| Topology | Buck | Buck | - |
| Input Voltage MIN | 2.2 V | 2.2 V | - |
| Switching Frequency | 65 kHz | 65 kHz | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | MAX638 | MAX638 | - |
| Packaging | Tube | Tube | - |
| Height | 1.5 mm | 4.45 mm | - |
| Length | 5 mm | 9.91 mm | - |
| Type | Voltage Converter | Voltage Converter | - |
| Width | 4 mm | 7.87 mm | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Load Regulation | 0.2 % / V | 0.2 % / V | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 100 | 50 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Part # Aliases | MAX638 | MAX638 | - |
| Unit Weight | 0.006596 oz | 0.032805 oz | - |