| Part Number | LM2931CM | LM2931CMX | 
|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor | 
| Category | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | 
|   |   | |
| Product Status | Not For New Designs | Active | 
| Output Configuration | Positive | Positive | 
| Output Type | Adjustable | Adjustable | 
| Number of Regulators | 1 | 1 | 
| Voltage - Input (Max) | 26V | 26V | 
| Voltage - Output (Min/Fixed) | 3V | 3V | 
| Voltage - Output (Max) | 24V | 24V | 
| Voltage Dropout (Max) | 0.3V @ 100mA | 0.3V @ 100mA | 
| Current - Output | 100mA | 100mA | 
| Current - Quiescent (Iq) | 1 mA | 1 mA | 
| Current - Supply (Max) | 15 mA | 15 mA | 
| PSRR | 55dB (120Hz) | 55dB (120Hz) | 
| Control Features | - | - | 
| Protection Features | Over Temperature, Reverse Polarity, Short Circuit | Over Temperature, Reverse Polarity, Short Circuit | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-SOIC | 8-SOIC |