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| Part Number | LP2951CSDX-3.3 | LP2951ACSDX-3.3 | LP2951CSD-3.3 | LP2951CSDX-3.0 | 
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | 
| Output Configuration | Positive | Positive | Positive | Positive | 
| Output Type | Adjustable (Fixed) | Adjustable (Fixed) | Adjustable (Fixed) | Adjustable (Fixed) | 
| Number of Regulators | 1 | 1 | 1 | 1 | 
| Voltage - Input (Max) | 30V | 30V | 30V | 30V | 
| Voltage - Output (Min/Fixed) | 1.235V (3.3V) | 1.235V (3.3V) | 1.235V (3.3V) | 1.235V (3V) | 
| Voltage - Output (Max) | 29V | 29V | 29V | 29V | 
| Voltage Dropout (Max) | 0.6V @ 100mA | 0.6V @ 100mA | 0.6V @ 100mA | 0.6V @ 100mA | 
| Current - Output | 100mA | 100mA | 100mA | 100mA | 
| Current - Quiescent (Iq) | 120 µA | 120 µA | 120 µA | 120 µA | 
| Current - Supply (Max) | 14 mA | 14 mA | 14 mA | 14 mA | 
| PSRR | - | - | - | - | 
| Control Features | Enable | Enable | Enable | Enable | 
| Protection Features | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 
| Supplier Device Package | 8-WSON (4x4) | 8-WSON (4x4) | 8-WSON (4x4) | 8-WSON (4x4) |