| Part Number | LM2733XMF | LM2733YMF | 
|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | 
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | 
|   |   | |
| Product Status | Active | Active | 
| Function | Step-Up | Step-Up | 
| Output Configuration | Positive | Positive | 
| Topology | Boost | Boost | 
| Output Type | Adjustable | Adjustable | 
| Number of Outputs | 1 | 1 | 
| Voltage - Input (Min) | 2.7V | 2.7V | 
| Voltage - Input (Max) | 14V | 14V | 
| Voltage - Output (Min/Fixed) | 2.7V | 2.7V | 
| Voltage - Output (Max) | 40V (Switch) | 40V (Switch) | 
| Current - Output | 1A (Switch) | 1A (Switch) | 
| Frequency - Switching | 1.6MHz | 600kHz | 
| Synchronous Rectifier | No | No | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | SC-74A, SOT-753 | SC-74A, SOT-753 | 
| Supplier Device Package | SOT-23-5 | SOT-23-5 |