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| Part Number | LT1121IS8#PBF | LT1129IS8#PBF | LT1120IS8#PBF | LT1121AIS8#PBF | LT1121CS8#PBF | LT1121IN8#PBF |
|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Active | Active | Active |
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Regulators | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 30V | 30V | 36V | 30V | 30V | 30V |
| Voltage - Output (Min/Fixed) | 3.75V | 3.8V | 2.5V | 3.75V | 3.75V | 3.75V |
| Voltage - Output (Max) | 30V | 30V | 35.35V | 30V | 30V | 30V |
| Voltage Dropout (Max) | 0.7V @ 150mA | 0.7V @ 700mA | 0.65V @ 125mA | 0.7V @ 150mA | 0.7V @ 150mA | 0.7V @ 150mA |
| Current - Output | 150mA | 700mA | 125mA | 150mA | 150mA | 150mA |
| Current - Quiescent (Iq) | 50 µA | 70 µA | 80 µA | 50 µA | 50 µA | 50 µA |
| Current - Supply (Max) | 14 mA | 90 mA | 100 µA | 14 mA | 14 mA | 14 mA |
| PSRR | 58dB (120Hz) | 64dB (120Hz) | - | 58dB (120Hz) | 58dB (120Hz) | 58dB (120Hz) |
| Control Features | Enable | Enable | Enable | Enable | Enable | Enable |
| Protection Features | Over Temperature, Reverse Polarity | Over Temperature, Reverse Polarity | Over Current, Over Temperature | Over Temperature, Reverse Polarity | Over Temperature, Reverse Polarity | Over Temperature, Reverse Polarity |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 100°C | -40°C ~ 125°C | 0°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-SO | 8-SO | 8-SO | 8-SO | 8-SO | 8-PDIP |
