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TI  LM2941LD/NOPB Voltage Regulator, LDO, Adjustable, -15V to 26V  Input, 500mV Dropout, 5V to 20V/1A Output, WSON-8.

The LM2941LD/NOPB is a low-dropout adjustable Positive Voltage Regulator that features the ability to source 1A of output current with a typical dropout voltage of 0.5V and a maximum of 1V over the entire temperature range.

Furthermore, a quiescent current reduction circuit has been included which reduces the ground pin current when the differential between the input voltage and the output voltage exceeds approximately 3V. The quiescent current with 1A of output current and an input-output differential of 5V is therefore only 30mA. Higher quiescent currents only exist when the regulator is in the dropout mode (VIN – VOUT <=3V).

Designed also for vehicular applications and all regulated circuitry is protected from reverse battery installations or two-battery jumps. During line transients, such as load dump when the input voltage can momentarily exceed the specified maximum operating voltage, the regulator will automatically shut down to protect both the internal circuits and the load.

 . Trimmed reference voltage

 . Reverse battery protection

 . Internal short-circuit current limit