| PartNumber | MAX77503BEWC33+T | MAX77503AEWC+T | MAX77503AEWC+ |
| Description | Switching Voltage Regulators sub-GHz ASK/FSK Transmitter | Switching Voltage Regulators Wide-Input Voltage Buck | Switching Voltage Regulators Wide-Input Voltage Buck |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | WLP-12 | WLP-12 | WLP-12 |
| Output Voltage | 3.3 V | 0.8 V to 5 V | 1.55 V to 13.86 V |
| Output Current | 1.5 A | 1.5 A | 1.5 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Input Voltage MAX | 14 V | 14 V | 14 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 3 V | 3 V | 3 V |
| Switching Frequency | 1 MHz | 550 kHz/1 MHz | 1 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Reel | - |
| Input Voltage | 3 V to 14 V | 3 V to 14 V | 3 V to 14 V |
| Quiescent Current | 14 uA | 9 uA | 1 mA |
| Type | Step-Down DC-DC Converter | High Efficiency | Step-Down DC-DC Converter |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Shutdown | Shutdown | Shutdown | Shutdown |
| Development Kit | MAX77503EVKIT | - | MAX77503AEVKIT# |
| Load Regulation | 0.1 % | 0.1 % | 0.1 % |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 2500 | 2500 | 10 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 3 V | 3 V | 3 V |
| Series | - | MAX77503 | MAX77503 |