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| Part Number | LT1175IT#PBF | LT1185IT#PBF | LT1175CT#PBF | LT1175IQ#PBF | 
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Active | Active | Active | Active | 
| Output Configuration | Negative | Positive or Negative | Negative | Negative | 
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | 
| Number of Regulators | 1 | 1 | 1 | 1 | 
| Voltage - Input (Max) | -20V | -35V | -20V | -20V | 
| Voltage - Output (Min/Fixed) | -3.8V | ±2.5V | -3.8V | -3.8V | 
| Voltage - Output (Max) | -19.3V | ±25V | -19.3V | -19.3V | 
| Voltage Dropout (Max) | 0.7V @ 500mA | 1V @ 3A | 0.7V @ 500mA | 0.7V @ 500mA | 
| Current - Output | 500mA | 3A | 500mA | 500mA | 
| Current - Quiescent (Iq) | 80 µA | 3.5 mA | 80 µA | 80 µA | 
| Current - Supply (Max) | - | - | - | - | 
| PSRR | - | - | - | - | 
| Control Features | Current Limit, Enable | - | Current Limit, Enable | Current Limit, Enable | 
| Protection Features | - | Over Current | - | - | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 85°C | 0°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | Through Hole | Surface Mount | 
| Package / Case | TO-220-5 | TO-220-5 | TO-220-5 | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | 
| Supplier Device Package | TO-220-5 | TO-220-5 | TO-220-5 | 5-DDPAK |