LX8384X-XX

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 C O M P A N Y LX8384x-xx 5A Low Dropout Positive Regulators P RODUCTION
 The LX8384/84A/84B Series ICs are positive regulators designed to provide 5A output current. These regulators yield higher efficiency than currently available devices with all internal circuitry designed to operate down to a 1V input-to-output differential. In each of these products, the dropout voltage is fully specified as a function of load current. Dropout is guaranteed at a maximum of 1.3V (8384A) and 1.5V (8384) at maximum output current, decreasing at lower load currents. In addition, on-chip trimming adjusts the reference voltage tolerance to 1% maximum at room temperature and 2% maximum over the 0 to 125°C range for the LX8384A, making this ideal for the Pentium P54CVRE specification. The LX8384B offers 0.8% tolerance at room temperature and 1.0% maximum over line, load and temperature. Fixed versions are also available and specified in the Available Options table below. The LX8384/84A/84B Series devices are pin-compatible with earlier 3-terminal regulators, such as the 117 series products, but they do require input and output capacitors. A minimum 10µF capacitor is required on the input and a 15µF or greater on the output of these new devices for stability. Although, these capacitors are generally included in most regulator designs. The LX8384/84A/84B Series quiescent current flows into the load, thereby increasing efficiency. T...