DESCRIPTION

The LX8385/85A/85B Series ICs are positive regulators designed to provide 3A 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 (8385A/B) and 1.5V (8385) at maximum output current, decreasing at lower load currents.

KEY FEATURES

• Three-Terminal Adjustable Or Fixed Output

• Guaranteed 1 Voltage Reference Accuracy Over Line, Load, And Temperature (LX8385B)

• Guaranteed < 1.5V Headroom At 3A (LX8385)

• Guaranteed < 1.3V Headroom At 3A (LX8385A/8385B)

• 0.015 Line Regulation

• 0.15 Load Regulation

APPLICATIONS

• High Efficiency Linear Regulators

• Post Regulators For Switching Power Supplies

• Battery Chargers

• Constant Current Regulators

• Graphics & Standard Supplies

• Processor I/O Supply

• Low Voltage Memory & Chipset Supplies