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| Part Number | REG101NA-5/3K | REG102NA-5/3K | REG101NA-A/3K | REG101NA-3/3K | 
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Active | Active | Active | 
| Output Configuration | Positive | Positive | Positive | Positive | 
| Output Type | Fixed | Fixed | Adjustable | Fixed | 
| Number of Regulators | 1 | 1 | 1 | 1 | 
| Voltage - Input (Max) | 10V | 10V | 10V | 10V | 
| Voltage - Output (Min/Fixed) | 5V | 5V | 2.5V | 3V | 
| Voltage - Output (Max) | - | - | 5.5V | - | 
| Voltage Dropout (Max) | 0.13V @ 100mA | 0.27V @ 250mA | 0.13V @ 100mA | 0.13V @ 100mA | 
| Current - Output | 100mA | 250mA | 100mA | 100mA | 
| Current - Quiescent (Iq) | 500 µA | 500 µA | 500 µA | 500 µA | 
| Current - Supply (Max) | 650 µA | 800 µA | 650 µA | 650 µA | 
| PSRR | 65dB (120Hz) | 65dB (120Hz) | 65dB (120Hz) | 65dB (120Hz) | 
| Control Features | Enable | Enable | Enable | Enable | 
| Protection Features | Over Current, Over Temperature | Over Current, Over Temperature | Over Current, Over Temperature | Over Current, Over Temperature | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 | 
| Supplier Device Package | SOT-23-5 | SOT-23-5 | SOT-23-5 | SOT-23-5 |