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| PartNumber | MAX1921EUT33+T | MAX1921EUT30+T | MAX1921EUT30 |
| Description | Switching Voltage Regulators 400mA Step-Down DC/DC Converter | Switching Voltage Regulators 400mA Step-Down DC/DC Converter | |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-23-6 | SOT-23-6 | - |
| Output Voltage | 3.3 V | 3 V | 3 V |
| Output Current | 400 mA | 400 mA | 400 mA |
| Number of Outputs | 1 Output | 1 Output | 1 |
| Input Voltage MAX | 5.5 V | 5.5 V | 5.5 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 2 V | 2 V | 2 V |
| Switching Frequency | 1.2 MHz | 1.2 MHz | 1.2 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | MAX1921 | MAX1921 | MAX1921 |
| Packaging | Reel | Reel | Digi-ReelR Alternate Packaging |
| Type | Voltage Converter | Voltage Converter | Voltage Converter |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Load Regulation | 0.005 % | 0.005 % | 0.005 % |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 2500 | 2500 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Part # Aliases | MAX1921 | MAX1921 | MAX1921 |
| Unit Weight | 0.001270 oz | 0.001270 oz | 0.001270 oz |
| Package Case | - | - | SOT-23-6 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Mounting Type | - | - | Surface Mount |
| Output Type | - | - | Fixed |
| Function | - | - | Step-Down |
| Supplier Device Package | - | - | SOT-23-6 |
| Frequency Switching | - | - | 1.2MHz |
| Current Output | - | - | 400mA |
| Output Configuration | - | - | Positive |
| Voltage Output Min Fixed | - | - | 3V |
| Voltage Output Max | - | - | - |
| Synchronous Rectifier | - | - | Yes |
| Voltage Input Min | - | - | 2V |
| Voltage Input Max | - | - | 5.5V |