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| Part Number | UCC281DPTR-ADJ | UCC381DPTR-ADJ | UCC284DPTR-ADJ |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Active | Active |
| Output Configuration | Positive | Positive | Negative |
| Output Type | Adjustable | Adjustable | Adjustable |
| Number of Regulators | 1 | 1 | 1 |
| Voltage - Input (Max) | 9V | 9V | -15V |
| Voltage - Output (Min/Fixed) | 1.22V | 1.22V | -1.25V |
| Voltage - Output (Max) | 8.85V | 8.85V | -15V |
| Voltage Dropout (Max) | 0.2V @ 200mA | 0.6V @ 1A | 0.5V @ 500mA |
| Current - Output | 1A | 1A | 500mA |
| Current - Quiescent (Iq) | 650 µA | 650 µA | 250 µA |
| Current - Supply (Max) | - | - | - |
| PSRR | - | - | - |
| Control Features | - | - | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit, Under Voltage Lockout (UVLO) | Over Temperature, Reverse Polarity, Short Circuit, Under Voltage Lockout (UVLO) | Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 85°C | 0°C ~ 70°C | -40°C ~ 85°C |
| Mounting Type | 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) |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC |
