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| Part Number | LM5143QRWGRQ1 | LM5140QRWGRQ1 |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Product Status | Active | Active |
| Output Type | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Number of Outputs | 2 | 2 |
| Output Phases | 2 | 1 |
| Voltage - Supply (Vcc/Vdd) | 3.5V ~ 65V | 3.8V ~ 65V |
| Frequency - Switching | 100kHz ~ 2.2MHz | 440kHz, 2.2MHz |
| Duty Cycle (Max) | 100% | - |
| Synchronous Rectifier | Yes | Yes |
| Clock Sync | Yes | Yes |
| Serial Interfaces | - | - |
| Control Features | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start | Current Limit, Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount, Wettable Flank | Surface Mount, Wettable Flank |
| Package / Case | 40-VFQFN Exposed Pad | 40-VFQFN Exposed Pad |
| Supplier Device Package | 40-VQFNP (6x6) | 40-VQFNP (6x6) |
