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| Part Number | TPS78408QDBVRQ1 | TPS78418QDBVRQ1 | TPS78428QDBVRQ1 | TPS78401QDBVRQ1 |
|---|---|---|---|---|
| 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 | Fixed | Adjustable |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 6V | 6V | 6V | 6V |
| Voltage - Output (Min/Fixed) | 0.8V | 1.8V | 2.8V | 1.2V |
| Voltage - Output (Max) | - | - | - | 5.5V |
| Voltage Dropout (Max) | 0.775V @ 300mA | 0.14V @ 300mA | 0.115V @ 300mA | 0.9V @ 300mA |
| Current - Output | 300mA | 300mA | 300mA | 300mA |
| Current - Quiescent (Iq) | 30 µA | 30 µA | 30 µA | 40 µA |
| Current - Supply (Max) | 43 µA | 43 µA | 43 µA | - |
| PSRR | 60dB ~ 30dB (1kHz ~ 1MHz) | 60dB ~ 30dB (1kHz ~ 1MHz) | 60dB ~ 30dB (1kHz ~ 1MHz) | 60dB ~ 30dB (1kHz ~ 1MHz) |
| Control Features | Enable | Enable | Enable | Current Limit, Enable, Soft Start |
| Protection Features | Over Current, Over Temperature | Over Current, Over Temperature | Over Current, Over Temperature | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| 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 |
