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| Part Number | L4949N | L4949NG | L4949D | L4949E |
|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Type | Fixed | Fixed | Fixed | Fixed |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 28V | 28V | 28V | 28V |
| Voltage - Output (Min/Fixed) | 5V | 5V | 5V | 5V |
| Voltage - Output (Max) | - | - | - | - |
| Voltage Dropout (Max) | 0.5V @ 100mA | 0.5V @ 100mA | 0.5V @ 100mA | 0.5V @ 100mA |
| Current - Output | 100mA | 100mA | 100mA | 100mA |
| Current - Quiescent (Iq) | 260 µA | 260 µA | 260 µA | 300 µA |
| Current - Supply (Max) | 5 mA | 5 mA | 5 mA | 5 mA |
| PSRR | - | - | - | - |
| Control Features | Reset | Reset | Reset | Reset Output |
| Protection Features | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole | Surface Mount | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-PDIP | 8-PDIP | 8-SOIC | - |
