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| Part Number | MC78L18ACPRM | MC78L18ACPRMG | MC78L18ACPRP | MC78L12ACPRM | MC78L18ACPRA | 
|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi | 
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | 
| Output Configuration | Positive | Positive | Positive | Positive | Positive | 
| Output Type | Fixed | Fixed | Fixed | Fixed | Fixed | 
| Number of Regulators | 1 | 1 | 1 | 1 | 1 | 
| Voltage - Input (Max) | 35V | 35V | 35V | 35V | 35V | 
| Voltage - Output (Min/Fixed) | 18V | 18V | 18V | 12V | 18V | 
| Voltage - Output (Max) | - | - | - | - | - | 
| Voltage Dropout (Max) | - | - | - | - | - | 
| Current - Output | 100mA | 100mA | 100mA | 100mA | 100mA | 
| Current - Quiescent (Iq) | 6.5 mA | 6.5 mA | 6.5 mA | 6.5 mA | 6.5 mA | 
| Current - Supply (Max) | - | - | - | - | - | 
| PSRR | 48dB (120Hz) | 48dB (120Hz) | 48dB (120Hz) | 42dB (120Hz) | 48dB (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 | 
| Operating Temperature | 0°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 125°C | 
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | 
| Package / Case | TO-226-3, TO-92-3 Long Body (Formed Leads) | TO-226-3, TO-92-3 Long Body (Formed Leads) | TO-226-3, TO-92-3 Long Body (Formed Leads) | TO-226-3, TO-92-3 Long Body (Formed Leads) | TO-226-3, TO-92-3 Long Body (Formed Leads) | 
| Supplier Device Package | TO-92 (TO-226) | TO-92 (TO-226) | TO-92 (TO-226) | TO-92 (TO-226) | TO-92 (TO-226) |