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| Part Number | LM3668SD-4550/NOPB | LM3668SDX-4550/NOPB |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Product Status | Not For New Designs | Obsolete |
| Function | Step-Up/Step-Down | Step-Up/Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck-Boost | Buck-Boost |
| Output Type | Programmable | Programmable |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 2.5V | 2.5V |
| Voltage - Input (Max) | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 4.5V, 5V | 4.5V, 5V |
| Voltage - Output (Max) | - | - |
| Current - Output | 1A | 1A |
| Frequency - Switching | 2.2MHz | 2.2MHz |
| Synchronous Rectifier | Yes | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 12-WFDFN Exposed Pad | 12-WFDFN Exposed Pad |
| Supplier Device Package | 12-WSON (3x3) | 12-WSON (3x3) |
