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| Part Number | LM78M15CT | LM79M15CT | LM78M18CT | LM78T15CT | LM7815CT | LM78M05CT | LM78M12CT |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor | onsemi | onsemi | Fairchild Semiconductor | Texas Instruments | onsemi |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Active | Not For New Designs | Obsolete |
| Output Configuration | Positive | - | Positive | Positive | Positive | Positive | Positive |
| Output Type | Fixed | - | Fixed | Fixed | Fixed | Fixed | Fixed |
| Number of Regulators | 1 | - | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 35V | - | 35V | 40V | 35V | 35V | 35V |
| Voltage - Output (Min/Fixed) | 15V | - | 18V | 15V | 15V | 5V | 12V |
| Voltage - Output (Max) | - | - | - | - | - | - | - |
| Voltage Dropout (Max) | - | - | 2V @ 500mA (Typ) | 2.5V @ 3A | 2V @ 1A (Typ) | - | 2V @ 500mA (Typ) |
| Current - Output | 500mA | - | 500mA | 3A | 1A | 500mA | 500mA |
| Current - Quiescent (Iq) | 3 mA | - | 6 mA | 6 mA | 8 mA | 3 mA | 6 mA |
| Current - Supply (Max) | - | - | - | - | - | - | - |
| PSRR | 69dB (120Hz) | - | 70dB (120Hz) | 65dB (120Hz) | 70dB (120Hz) | 78dB (120Hz) | 80dB (120Hz) |
| Control Features | - | - | - | - | - | - | - |
| Protection Features | Over Current, Over Temperature, Short Circuit | - | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C | - | 0°C ~ 125°C | 0°C ~ 125°C | -40°C ~ 125°C | -40°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-220-3 | TO-220-3 | TO-220-3 | TO-220-3 | TO-220-3 |
