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| Part Number | LM2770SD-12157/NOPB | LM2770SDX-12157/NOPB | LM2770SD-1215/NOPB |
|---|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Obsolete | Active |
| Function | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive |
| Topology | Charge Pump | Charge Pump | Charge Pump |
| Output Type | Programmable | Programmable | Programmable |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 2.7V | 2.7V | 2.7V |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 1.2V, 1.58V | 1.2V, 1.58V | 1.2V, 1.5V |
| Voltage - Output (Max) | - | - | - |
| Current - Output | 250mA | 250mA | 250mA |
| Frequency - Switching | 700kHz | 700kHz | 700kHz |
| Synchronous Rectifier | No | No | No |
| Operating Temperature | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 10-WFDFN Exposed Pad | 10-WFDFN Exposed Pad | 10-WFDFN Exposed Pad |
| Supplier Device Package | 10-WSON (3x3) | 10-SON (3x3) | 10-WSON (3x3) |
