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| Part Number | LP5990TM-1.2/NOPB | LP5990TMX-1.2/NOPB | LP5990TM-1.3/NOPB | LP5990TM-1.8/NOPB | 
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments | 
| Product Status | Active | Active | Active | Active | 
| Output Configuration | Positive | Positive | - | Positive | 
| Output Type | Fixed | Fixed | - | Fixed | 
| Number of Regulators | 1 | 1 | - | 1 | 
| Voltage - Input (Max) | 5.5V | 5.5V | - | 5.5V | 
| Voltage - Output (Min/Fixed) | 1.2V | 1.2V | - | 1.8V | 
| Voltage - Output (Max) | - | - | - | - | 
| Voltage Dropout (Max) | 0.25V @ 200mA | 0.25V @ 200mA | - | 0.25V @ 200mA | 
| Current - Output | 200mA | 200mA | - | 200mA | 
| Current - Quiescent (Iq) | 75 µA | 75 µA | - | 75 µA | 
| Current - Supply (Max) | - | - | - | - | 
| PSRR | 55dB (10kHz) | 55dB (10kHz) | - | 55dB (10kHz) | 
| Control Features | Enable | Enable | - | Enable | 
| Protection Features | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | - | Over Current, Over Temperature, Short Circuit | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | - | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | - | Surface Mount | 
| Package / Case | 4-WFBGA, DSBGA | 4-WFBGA, DSBGA | - | 4-WFBGA, DSBGA | 
| Supplier Device Package | 4-DSBGA | 4-DSBGA | - | 4-DSBGA |