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| Part Number | LM340K-12/NOPB | LM340S-12/NOPB | LM340T-12/NOPB | LM340K-15/NOPB |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Active | Active | Obsolete |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Type | Fixed | Fixed | Fixed | Fixed |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 35V | 35V | 35V | 35V |
| Voltage - Output (Min/Fixed) | 12V | 12V | 12V | 15V |
| Voltage - Output (Max) | - | - | - | - |
| Voltage Dropout (Max) | 2V @ 1A | 2V @ 1A | 2V @ 1A | 2V @ 1A |
| Current - Output | 1A | 1.5A | 1.5A | 1A |
| Current - Quiescent (Iq) | 6 mA | 8 mA | 8 mA | 6 mA |
| Current - Supply (Max) | - | - | - | - |
| PSRR | 70dB (120Hz) | 80dB (120Hz) | 80dB (120Hz) | 70dB (120Hz) |
| Control Features | - | - | - | - |
| Protection Features | Over Current, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Current, Short Circuit |
| Operating Temperature | 0°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 125°C |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Through Hole |
| Package / Case | TO-204AA, TO-3 | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | TO-220-3 | TO-204AA, TO-3 |
| Supplier Device Package | TO-3-2 | DDPAK/TO-263-3 | TO-220-3 | TO-3-2 |
