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| Part Number | SPX3940M3-L-3-3/TR | SPX3940AM3-L-3-3/TR | SPX3940M3-L-3-3/MTR | 
|---|---|---|---|
| Manufacturer | MaxLinear, Inc. | MaxLinear, Inc. | MaxLinear, Inc. | 
| Product Status | Discontinued at Digi-Key | Active | Discontinued at Digi-Key | 
| Output Configuration | Positive | Positive | Positive | 
| Output Type | Fixed | Fixed | Fixed | 
| Number of Regulators | 1 | 1 | 1 | 
| Voltage - Input (Max) | 16V | 16V | 16V | 
| Voltage - Output (Min/Fixed) | 3.3V | 3.3V | 3.3V | 
| Voltage - Output (Max) | - | - | - | 
| Voltage Dropout (Max) | 0.55V @ 1A | 0.55V @ 1A | 0.55V @ 1A | 
| Current - Output | 1A | 1A | 1A | 
| Current - Quiescent (Iq) | - | - | - | 
| Current - Supply (Max) | - | - | 18 mA | 
| PSRR | - | - | - | 
| Control Features | - | - | - | 
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit, Transient Voltage | Over Current, Over Temperature, Reverse Polarity, Short Circuit, Transient Voltage | Over Current, Over Temperature, Reverse Polarity, Short Circuit, Transient Voltage | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | TO-261-4, TO-261AA | TO-261-4, TO-261AA | TO-261-4, TO-261AA | 
| Supplier Device Package | SOT-223-3 | SOT-223-3 | SOT-223-3 |