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| Part Number | LP38843SX-1.5 | LP38841SX-1.5 | LP38842SX-1.5 | LP38843S-1.5 | LP38843SX-1.2 |
|---|---|---|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments |
| Product Status | Active | Obsolete | Obsolete | Active | Active |
| Output Configuration | Positive | Positive | Positive | Positive | - |
| Output Type | Fixed | Fixed | Fixed | Fixed | - |
| Number of Regulators | 1 | 1 | 1 | 1 | - |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V | 5.5V | - |
| Voltage - Output (Min/Fixed) | 1.5V | 1.5V | 1.5V | 1.5V | - |
| Voltage - Output (Max) | - | - | - | - | - |
| Voltage Dropout (Max) | 0.5V @ 3A | 0.21V @ 800mA | 0.315V @ 1.5A | 0.5V @ 3A | - |
| Current - Output | 3A | 800mA | 1.5A | 3A | - |
| Current - Quiescent (Iq) | 30 µA | 30 µA | 30 µA | 40 mA | - |
| Current - Supply (Max) | 40 mA | 40 mA | 40 mA | 40 mA | - |
| PSRR | 80dB ~ 65dB (120Hz ~ 1kHz) | 80dB ~ 65dB (120Hz ~ 1kHz) | 80dB ~ 65dB (120Hz ~ 1kHz) | 80dB ~ 65dB (120Hz ~ 1kHz) | - |
| Control Features | Enable | Enable | Enable | Enable | - |
| Protection Features | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Under Voltage Lockout (UVLO) | Over Current, Over Temperature, Short Circuit | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C (TJ) | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | - |
| Package / Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | - |
| Supplier Device Package | DDPAK/TO-263-5 | DDPAK/TO-263-5 | DDPAK/TO-263-5 | DDPAK/TO-263-5 | - |
