| Part Number | LP5900SDX-1.8 | LP5900SDX-2.8 | 
|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | 
| Category | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | 
|   |   | |
| Product Status | Active | Obsolete | 
| Output Configuration | Positive | Positive | 
| Output Type | Fixed | Fixed | 
| Number of Regulators | 1 | 1 | 
| Voltage - Input (Max) | 5.5V | 5.5V | 
| Voltage - Output (Min/Fixed) | 1.8V | 2.8V | 
| Voltage - Output (Max) | - | - | 
| Voltage Dropout (Max) | 0.15V @ 150mA | 0.15V @ 150mA | 
| Current - Output | 150mA | 150mA | 
| Current - Quiescent (Iq) | 50 µA | 50 µA | 
| Current - Supply (Max) | 230 µA | 230 µA | 
| PSRR | 85dB ~ 40dB (100Hz ~ 100kHz) | 85dB ~ 40dB (100Hz ~ 100kHz) | 
| Control Features | Enable | Enable | 
| Protection Features | Over Temperature, Short Circuit | Over Temperature, Short Circuit | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 6-WDFN Exposed Pad | 6-WDFN Exposed Pad | 
| Supplier Device Package | 6-WSON (2.2x2.5) | 6-WSON (2.2x2.5) |