| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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3,927 pcs
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3927 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The LM2990SX-12 from Texas Instruments is a three-terminal, low-dropout, negative voltage regulator. It is available with a fixed output voltage of -12V and can supply currents in excess of 1A. The device features a low quiescent current of typically 1mA under a 1A load.
Key electrical specifications include an input voltage range of -26V to -6V, a typical dropout voltage of 0.6V at 1A load, and an output accuracy of 5% over the entire operating range. Protection features include internal short-circuit current limiting and thermal shutdown with hysteresis.
This regulator is designed for applications requiring a stable negative voltage supply, such as post-switcher regulation and local on-card regulation. It is suitable for battery-operated equipment due to its low quiescent current. The device is available in a surface-mount DDPAK/TO-263-3 package.
The operating temperature range for the LM2990SX-12 is -40°C to 125°C. It requires a minimum load capacitance of 10µF for stability. The PSRR is 52dB at 1kHz.
| Qty | Low | High |
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| 1+ | $0.28 | $0.28 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is -26V to -6V.
This device provides a fixed -12V output.
The maximum output current is 1A.
The dropout voltage is 600mV typical at 1A load, with a maximum of 1V.
The operating temperature range is -40°C to 125°C.
The device is available in a surface-mount DDPAK/TO-263-3 package.
Over-temperature and short-circuit protection are included.