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| Part Number | MAX1744AUB+ | MAX1744EUB+ | MAX1745AUB+ | MAX1744AUB+T | MAX1744AUB | 
|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | 
| Product Status | Active | Active | Active | Active | Obsolete | 
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | 
| Function | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | Positive | Positive | Positive | 
| Topology | Buck | Buck | Buck | Buck | Buck | 
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 
| Output Phases | 1 | 1 | 1 | 1 | 1 | 
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 36V | 4.5V ~ 36V | 4.5V ~ 36V | 4.5V ~ 36V | 4.5V ~ 36V | 
| Frequency - Switching | Up to 330kHz | Up to 330kHz | Up to 330kHz | Up to 330kHz | Up to 330kHz | 
| Duty Cycle (Max) | 100% | 100% | 100% | 100% | 100% | 
| Synchronous Rectifier | No | No | No | No | No | 
| Clock Sync | No | No | No | No | No | 
| Serial Interfaces | - | - | - | - | - | 
| Control Features | Enable | Enable | Enable | Enable | Enable | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 
| Supplier Device Package | 10-uMAX/uSOP | 10-uMAX/uSOP | 10-uMAX/uSOP | 10-uMAX/uSOP | 10-uMAX/uSOP |