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| Part Number | TPS543B20RVFR | TPS544B20RVFR | TPS543C20RVFR | TPS543B20RVFT |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 4V | 4.5V | 4V | 4V |
| Voltage - Input (Max) | 19V | 18V | 16V | 19V |
| Voltage - Output (Min/Fixed) | 0.6V | 0.6V | 0.6V | 0.6V |
| Voltage - Output (Max) | 5.5V | 5.5V | 5.5V | 5.5V |
| Current - Output | 25A | 20A | 40A | 25A |
| Frequency - Switching | 300kHz ~ 2MHz | Selectable | 300kHz ~ 2MHz | 300kHz ~ 2MHz |
| Synchronous Rectifier | Yes | Yes | Yes | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 40-LFQFN Exposed Pad | 40-PowerLFQFN | 40-LFQFN Exposed Pad | 40-LFQFN Exposed Pad |
| Supplier Device Package | 40-LQFN-CLIP (7x5) | 40-LQFN-CLIP (7x5) | 40-LQFN-CLIP (7x5) | 40-LQFN-CLIP (7x5) |
