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| PartNumber | LM3940IMPX-3.3 | LM3940IMPX-3.3/NOPB | LM3940IMPX-3.3 , AP2120N |
| Description | LDO Voltage Regulators NRND, alternate is LM3940IMPX-3.3/NO | LDO Voltage Regulators 1A Low Dropout Regulator for 5V to 3.3V | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | - |
| RoHS | N | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOT-223-4 | SOT-223-4 | - |
| Output Voltage | 3.3 V | 3.3 V | - |
| Output Current | 1 A | 1 A | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Polarity | Positive | Positive | - |
| Quiescent Current | 15 mA | 15 mA | - |
| Input Voltage MAX | 7.5 V | 7.5 V | - |
| Input Voltage MIN | 4.5 V | 4.5 V | - |
| Output Type | Fixed | Fixed | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Dropout Voltage | 310 mV | 310 mV | - |
| Series | LM3940 | LM3940 | - |
| Packaging | Reel | Reel | - |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Dropout Voltage Max | 0.8 V at 1 A, 0.15 V at 100 mA | 0.8 V at 1 A, 0.15 V at 100 mA | - |
| Ib Input Bias Current | 10 mA | 10 mA | - |
| Line Regulation | 40 mV | 40 mV | - |
| Load Regulation | 50 mV | 50 mV | - |
| Operating Supply Current | 110 uA | 110 uA | - |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | - |
| Factory Pack Quantity | 2000 | 2000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.003951 oz | 0.003951 oz | - |
| Product | - | LDO Regulators | - |
| Type | - | Output Voltage | - |