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| Part Number | LM1770UMF | LM1770SMF |
|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor |
| Product Status | Active | Active |
| Output Type | - | Transistor Driver |
| Function | - | Step-Down |
| Output Configuration | - | Positive |
| Topology | - | Buck |
| Number of Outputs | - | 1 |
| Output Phases | - | 1 |
| Voltage - Supply (Vcc/Vdd) | - | 2.8V ~ 5.5V |
| Frequency - Switching | - | 100kHz ~ 1MHz |
| Duty Cycle (Max) | - | - |
| Synchronous Rectifier | - | Yes |
| Clock Sync | - | No |
| Serial Interfaces | - | - |
| Control Features | - | - |
| Operating Temperature | - | -40°C ~ 125°C (TJ) |
| Mounting Type | - | Surface Mount |
| Package / Case | - | SC-74A, SOT-753 |
| Supplier Device Package | - | SOT-23-5 |
