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| Part Number | LM7908CT | LM7918CT | LM7909CT | LM7808CT | LM7905CT | LM7906CT |
|---|---|---|---|---|---|---|
| Manufacturer | National Semiconductor | Fairchild Semiconductor | onsemi | onsemi | Texas Instruments | onsemi |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Not For New Designs | Obsolete |
| Output Configuration | Negative | Negative | Negative | Positive | Negative | Negative |
| Output Type | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed |
| Number of Regulators | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | -35V | -35V | -35V | 35V | -25V | -35V |
| Voltage - Output (Min/Fixed) | -8V | -18V | -9V | 8V | -5V | -6V |
| Voltage - Output (Max) | - | - | - | - | - | - |
| Voltage Dropout (Max) | 2V @ 1A (Typ) | 2V @ 1A (Typ) | 2V @ 1A (Typ) | 2V @ 1A (Typ) | 1.1V @ 1A | 2V @ 1A (Typ) |
| Current - Output | 1A | 1A | 1A | 1A | 1.5A | 1A |
| Current - Quiescent (Iq) | 6 mA | 6 mA | 6 mA | 8 mA | 1 mA | 6 mA |
| Current - Supply (Max) | - | - | - | - | - | - |
| PSRR | 60dB (120Hz) | 60dB (120Hz) | 60dB (120Hz) | 73dB (120Hz) | 66dB (120Hz) | 60dB (120Hz) |
| Control Features | - | - | - | - | - | - |
| Protection Features | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C | - | 0°C ~ 125°C | -40°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-220-3 | TO-220-3 | TO-220-3 | TO-220-3 | TO-220-3 | TO-220-3 |
| Supplier Device Package | TO-220-3 | TO-220, Power | TO-220-3 | TO-220-3 | TO-220-3 | TO-220-3 |
