| Part Number | LP2953IM | LP2953IN | 
|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | 
| Category | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | 
|   |   | |
| Product Status | Active | Obsolete | 
| Output Configuration | Positive | Positive | 
| Output Type | Adjustable (Fixed) | Adjustable (Fixed) | 
| Number of Regulators | 1 | 1 | 
| Voltage - Input (Max) | 30V | 30V | 
| Voltage - Output (Min/Fixed) | 1.23V (5V) | 1.23V (5V) | 
| Voltage - Output (Max) | 29V | 29V | 
| Voltage Dropout (Max) | 0.8V @ 250mA | 0.8V @ 250mA | 
| Current - Output | 250mA | 250mA | 
| Current - Quiescent (Iq) | 170 µA | 170 µA | 
| Current - Supply (Max) | 33 mA | 33 mA | 
| PSRR | - | - | 
| Control Features | Enable | Enable | 
| Protection Features | Over Current, Over Temperature, Reverse Polarity | Over Current, Over Temperature, Reverse Polarity | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | 
| Mounting Type | Surface Mount | Through Hole | 
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 16-SOIC | 16-PDIP |