LM2990SX-12
IC REG LIN -12V 1.8A DDPAKManufacturer: Texas Instruments
Categories: Linear, Low Drop Out (LDO) Regulators
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Texas Instruments LM2990SX-12 is a negative fixed voltage linear regulator designed for high-current applications. This component delivers a stable -12V output with a maximum output current of 1.8A. It features a low dropout voltage of 1V at 1A, ensuring efficient operation even with minimal input voltage headroom. The device offers robust protection mechanisms including over-temperature and short-circuit protection. With a maximum input voltage of -26V and a quiescent current of 1mA, it is suitable for automotive and industrial applications requiring reliable negative voltage regulation. The LM2990SX-12 is supplied in a TO-263 (DDPAK-3) surface-mount package, typically on tape and reel. Its Power Supply Rejection Ratio (PSRR) of 52dB at 1kHz contributes to cleaner power delivery.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | TO-263-4, D2PAK (3 Leads + Tab), TO-263AA |
| Output Type | Fixed |
| Mounting Type | Surface Mount |
| Current - Output | 1.8A |
| Operating Temperature | -40°C ~ 125°C |
| Output Configuration | Negative |
| Current - Quiescent (Iq) | 1 mA |
| Voltage - Input (Max) | -26V |
| Number of Regulators | 1 |
| Supplier Device Package | TO-263 (DDPAK-3) |
| Voltage - Output (Max) | - |
| Voltage - Output (Min/Fixed) | -12V |
| Control Features | - |
| PSRR | 52dB (1kHz) |
| Voltage Dropout (Max) | 1V @ 1A |
| Protection Features | Over Temperature, Short Circuit |
| Current - Supply (Max) | 5 mA |
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