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| Part Number | LD39020ADTPU11R | LD39020ADTPU21R | LD39020DTPU11R | LD39020ADTPU18R |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active | Active | Active |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Type | Fixed | Fixed | Fixed | Fixed |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 1.1V | 2.1V | 1.1V | 1.8V |
| Voltage - Output (Max) | - | - | - | - |
| Voltage Dropout (Max) | 0.35V @ 200mA | 0.35V @ 200mA | 0.35V @ 200mA | 0.35V @ 200mA |
| Current - Output | 200mA | 200mA | 200mA | 200mA |
| Current - Quiescent (Iq) | 40 µA | 40 µA | 40 µA | 40 µA |
| Current - Supply (Max) | - | - | - | - |
| PSRR | 80dB ~ 55dB (1kHz ~ 100kHz) | 80dB ~ 55dB (1kHz ~ 100kHz) | 80dB ~ 55dB (1kHz ~ 100kHz) | 80dB ~ 55dB (1kHz ~ 100kHz) |
| Control Features | Enable | Enable | Enable | Enable |
| Protection Features | Over Current, Over Temperature, Soft Start | Over Current, Over Temperature, Soft Start | Over Current, Over Temperature, Soft Start | Over Current, Over Temperature, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 4-XDFN Exposed Pad | 4-XDFN Exposed Pad | 4-XDFN Exposed Pad | 4-XDFN Exposed Pad |
| Supplier Device Package | 4-DFN (1x1) | 4-DFN (1x1) | 4-DFN (1x1) | 4-DFN (1x1) |
