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| Part Number | LM25145RGYR | LM25148RGYR | LM25145RGYT | LM25149RGYR |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Phases | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 6V ~ 42V | 3.5V ~ 42V | 6V ~ 42V | 3.5V ~ 42V |
| Frequency - Switching | 100kHz ~ 1MHz | 100kHz ~ 2.2MHz | 100kHz ~ 1MHz | 100kHz ~ 2.2MHz |
| Duty Cycle (Max) | - | 100% | - | 100% |
| Synchronous Rectifier | Yes | Yes | Yes | Yes |
| Clock Sync | Yes | Yes | Yes | Yes |
| Serial Interfaces | - | - | - | - |
| Control Features | Enable, Frequency Control, Ramp, Soft Start | Current Limit, Power Good, Ramp, Soft Start | Enable, Frequency Control, Ramp, Soft Start | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Sync |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount, Wettable Flank | Surface Mount | Surface Mount, Wettable Flank | Surface Mount |
| Package / Case | 20-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 24-VFQFN Exposed Pad |
| Supplier Device Package | 20-VQFN (3.5x4.5) | 24-VQFN (5.5x3.5) | 20-VQFN (3.5x4.5) | 24-VQFN (5.5x3.5) |
