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| PartNumber | MAX1557ETB | MAX1557ETB(ACR) | MAX1557ETB+ |
| Description | Switching Regulator, Current-mode, 2.25A, 1100kHz Switching Freq-Max, BICMOS | Switching Regulator, Current-mode, 2.25A, 1100kHz Switching Freq-Max, BICMOS | |
| Manufacturer | MAXIM | - | MAXIM |
| Product Category | IC Chips | - | IC Chips |
| Series | - | - | MAX1557 |
| Type | - | - | Voltage Converter |
| Packaging | - | - | Bulk |
| Mounting Style | - | - | SMD/SMT |
| Number of Outputs | - | - | 1 Output |
| Topology | - | - | Buck |
| Maximum Operating Temperature | - | - | + 85 C |
| Minimum Operating Temperature | - | - | - 40 C |
| Output Voltage | - | - | 0.75 V to 5.5 V |
| Input Voltage MAX | - | - | 5.5 V |
| Output Current | - | - | 1.2 A |
| Switching Frequency | - | - | 1 MHz |
| Input Voltage MIN | - | - | 2.6 V |
| Load Regulation | - | - | 2.25 % |
| Part # Aliases | - | - | MAX1557 |
| Package Case | - | - | TDFN-EP-10 |