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Description

The CAT6243 is a low dropout CMOS voltage regulator providing up to 1000 mA of output current with fast response to load current and line voltage changes. CAT6243 offers a user adjustable output voltage from 0.8 V to 5.0 V and its low quiescent current make CAT6243 ideal for energy conscious designs. CAT6243 is available in a DPAK?5 4 and 5 lead packages and in a space saving 3 mm x 3 mm WDFN?6 package with a power pad for heat sinking to the PCB.

Features

? Guaranteed 1000 mA Continuous Output Current

? VOUT: 0.8 V to 5.0 V

? Dropout Voltage of 350 mV Typical at 1000 mA

? ±2.0 Output Voltage Accuracy Over Temperature

? No?load Ground Current of 70 μA Typical

? Full?load Ground Current of 140 μA Typical

? “Zero” Current Shutdown Mode

? Under Voltage Lockout

? Stable with Ceramic Output Capacitors

? Current Limit and Thermal Protection

? 4 and 5 Lead DPAK?5 and 3 mm x 3 mm WDFN?6 Power Packages

? These Devices are Pb?Free, Halogen Free/BFR Free and are RoHS Compliant

Typical Applications

? DSP Core and I/O Voltages

? FPGAs, ASICs

? PDAs, Mobile Phones, GPS

? Camcorders and Cameras

? Hard Disk Drives