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| Part Number | LT3089HDF | LT3089IDF | LT3089EDF | 
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Obsolete | Obsolete | Obsolete | 
| Output Configuration | Positive | Positive | Positive | 
| Output Type | Adjustable | Adjustable | Adjustable | 
| Number of Regulators | 1 | 1 | 1 | 
| Voltage - Input (Max) | 36V | 36V | 36V | 
| Voltage - Output (Min/Fixed) | 0V | 0V | 0V | 
| Voltage - Output (Max) | 34.5V | 34.5V | 34.5V | 
| Voltage Dropout (Max) | 1.65V @ 800mA | 1.65V @ 800mA | 1.65V @ 800mA | 
| Current - Output | 800mA | 800mA | 800mA | 
| Current - Quiescent (Iq) | 50.5 µA | 50.5 µA | 50.5 µA | 
| Current - Supply (Max) | 3 mA | 3 mA | 3 mA | 
| PSRR | 90dB ~ 20dB (120Hz ~ 1MHz) | 90dB ~ 20dB (120Hz ~ 1MHz) | 90dB ~ 20dB (120Hz ~ 1MHz) | 
| Control Features | Current Limit | Current Limit | Current Limit | 
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit | Over Current, Over Temperature, Reverse Polarity, Short Circuit | Over Current, Over Temperature, Reverse Polarity, Short Circuit | 
| Operating Temperature | -40°C ~ 150°C | -40°C ~ 125°C | -40°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 12-WFDFN Exposed Pad | 12-WFDFN Exposed Pad | 12-WFDFN Exposed Pad | 
| Supplier Device Package | 12-DFN (4x4) | 12-DFN (4x4) | 12-DFN (4x4) |