| Part Number | LT1121AIS8#PBF | LT1120AIS8#PBF | 
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | 
| Category | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | 
|   |   | |
| Product Status | Active | Active | 
| Output Configuration | Positive | Positive | 
| Output Type | Adjustable | Adjustable | 
| Number of Regulators | 1 | 1 | 
| Voltage - Input (Max) | 30V | 36V | 
| Voltage - Output (Min/Fixed) | 3.75V | 2.5V | 
| Voltage - Output (Max) | 30V | 35.15V | 
| Voltage Dropout (Max) | 0.7V @ 150mA | 0.85V @ 125mA | 
| Current - Output | 150mA | 125mA | 
| Current - Quiescent (Iq) | 50 µA | 40 µA | 
| Current - Supply (Max) | 14 mA | 20 mA | 
| PSRR | 58dB (120Hz) | - | 
| Control Features | Enable | Enable | 
| Protection Features | Over Temperature, Reverse Polarity | Over Current, Over Temperature | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 100°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-SO | 8-SO |