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| Part Number | LT1121ACS8#PBF | LT1121CS8#PBF | LT1121AIS8#PBF | LT1120ACS8#PBF |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Active |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 30V | 30V | 30V | 36V |
| Voltage - Output (Min/Fixed) | 3.75V | 3.75V | 3.75V | 2.5V |
| Voltage - Output (Max) | 30V | 30V | 30V | 35.15V |
| Voltage Dropout (Max) | 0.7V @ 150mA | 0.7V @ 150mA | 0.7V @ 150mA | 0.85V @ 125mA |
| Current - Output | 150mA | 150mA | 150mA | 125mA |
| Current - Quiescent (Iq) | 50 µA | 50 µA | 50 µA | 40 µA |
| Current - Supply (Max) | 14 mA | 14 mA | 14 mA | 20 mA |
| PSRR | 58dB (120Hz) | 58dB (120Hz) | 58dB (120Hz) | - |
| Control Features | Enable | Enable | Enable | Enable |
| Protection Features | Over Temperature, Reverse Polarity | Over Temperature, Reverse Polarity | Over Temperature, Reverse Polarity | Over Current, Over Temperature |
| Operating Temperature | 0°C ~ 125°C | 0°C ~ 125°C | -40°C ~ 125°C | 0°C ~ 100°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| 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) |
| Supplier Device Package | 8-SO | 8-SO | 8-SO | 8-SO |
