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| Part Number | LM2991T/LF03 | LM2941T/LF03 | LM2991T/LB03 |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | National Semiconductor |
| Product Status | Active | Active | Active |
| Output Configuration | Negative | Positive | - |
| Output Type | Adjustable | Adjustable | - |
| Number of Regulators | 1 | 1 | - |
| Voltage - Input (Max) | -26V | 26V | - |
| Voltage - Output (Min/Fixed) | -3V | 5V | - |
| Voltage - Output (Max) | -24V | 20V | - |
| Voltage Dropout (Max) | 1V @ 1A | 1V @ 1A | - |
| Current - Output | 1A | 1A | - |
| Current - Quiescent (Iq) | 0.7 mA | 10 mA | - |
| Current - Supply (Max) | 5 mA | 15 mA | - |
| PSRR | 60dB (1kHz) | - | - |
| Control Features | Enable | Enable | - |
| Protection Features | Over Temperature, Short Circuit | Over Temperature, Reverse Polarity, Short Circuit | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | - |
| Mounting Type | Through Hole | Through Hole | - |
| Package / Case | TO-220-5 Formed Leads | TO-220-5 Formed Leads | - |
| Supplier Device Package | TO-220-5 | TO-220-5 | - |
