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| Part Number | LP2951CD-3.3 | LP2951CN-3.3 | LP2951CM-3.3 | LP2951CD-3.3G | LP2951CSD-3.3 | LP2951ACD-3.3 | LP2951CD-3.0 |
|---|---|---|---|---|---|---|---|
| Manufacturer | onsemi | National Semiconductor | National Semiconductor | onsemi | Texas Instruments | onsemi | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive | Positive |
| Output Type | Fixed | Fixed | Adjustable (Fixed) | Fixed | Adjustable (Fixed) | Fixed | Fixed |
| Number of Regulators | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 30V | 30V | 30V | 30V | 30V | 30V | 30V |
| Voltage - Output (Min/Fixed) | 3.3V | 3.3V | 1.235V (3.3V) | 3.3V | 1.235V (3.3V) | 3.3V | 3V |
| Voltage - Output (Max) | - | - | 29V | - | 29V | - | - |
| Voltage Dropout (Max) | 0.45V @ 100mA | 0.6V @ 100mA | 0.6V @ 100mA | 0.45V @ 100mA | 0.6V @ 100mA | 0.45V @ 100mA | 0.45V @ 100mA |
| Current - Output | 100mA | 100mA | 100mA | 100mA | 100mA | 100mA | 100mA |
| Current - Quiescent (Iq) | 120 µA | 200 µA | 120 µA | 120 µA | 120 µA | 120 µA | 120 µA |
| Current - Supply (Max) | 12 mA | 14 mA | 14 mA | 12 mA | 14 mA | 12 mA | 12 mA |
| PSRR | - | - | - | - | - | - | - |
| Control Features | - | Enable, Error Flag, Power On Reset | Enable | - | Enable | - | - |
| Protection Features | Over Current, Over Temperature | Over Temperature | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C | -40°C ~ 125°C (TJ) | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-WDFN Exposed Pad | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-PDIP | 8-SOIC | 8-SOIC | 8-WSON (4x4) | 8-SOIC | 8-SOIC |
