| Part Number | LM3940IS-3.3 | LM3940ISX-3.3 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | 
|   |   | |
| Product Status | Not For New Designs | Not For New Designs | 
| Output Configuration | Positive | Positive | 
| Output Type | Fixed | Fixed | 
| Number of Regulators | 1 | 1 | 
| Voltage - Input (Max) | 7.5V | 7.5V | 
| Voltage - Output (Min/Fixed) | 3.3V | 3.3V | 
| Voltage - Output (Max) | - | - | 
| Voltage Dropout (Max) | 0.2V @ 100mA | 0.2V @ 100mA | 
| Current - Output | 1A | 1A | 
| Current - Quiescent (Iq) | - | - | 
| Current - Supply (Max) | - | - | 
| PSRR | - | - | 
| Control Features | - | - | 
| Protection Features | Over Temperature, Short Circuit | Over Temperature, Short Circuit | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | 
| Supplier Device Package | DDPAK/TO-263-3 | DDPAK/TO-263-3 |