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| Part Number | LM7912CT | LM7915CT | LM7918CT | LM79M12CT | LM7812CT |
|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Texas Instruments | Fairchild Semiconductor | National Semiconductor | onsemi |
| Product Status | Obsolete | Not For New Designs | Active | Active | Active |
| Output Configuration | Negative | Negative | Negative | Negative | - |
| Output Type | Fixed | Fixed | Fixed | Fixed | - |
| Number of Regulators | 1 | 1 | 1 | 1 | - |
| Voltage - Input (Max) | -35V | -35V | -35V | -35V | - |
| Voltage - Output (Min/Fixed) | -12V | -15V | -18V | -12V | - |
| Voltage - Output (Max) | - | - | - | - | - |
| Voltage Dropout (Max) | 2V @ 1A (Typ) | 1.1V @ 1A | 2V @ 1A (Typ) | 1.1V @ 500mA | - |
| Current - Output | 1A | 1.5A | 1A | 500mA | - |
| Current - Quiescent (Iq) | 6 mA | 1.5 mA | 6 mA | 3 mA | - |
| Current - Supply (Max) | - | - | - | - | - |
| PSRR | 60dB (120Hz) | 70dB (120Hz) | 60dB (120Hz) | 70dB (120Hz) | - |
| Control Features | - | - | - | - | - |
| Protection Features | 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 | - | 0°C ~ 125°C (TJ) | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | - |
| Package / Case | TO-220-3 | TO-220-3 | TO-220-3 | TO-220-3 | - |
| Supplier Device Package | TO-220-3 | TO-220-3 | TO-220, Power | TO-220-3 | - |
