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XA3200
Low Noise, Regulated Charge Pump DC/DC Converter
Features
Fixed 5V ± 4% Output VIN Range: 2.5V to 5V Output Current: Up to 250mA Constant Frequency Operation at All Loads Low Noise Constant Frequency (400kHz) Operation Automatic Soft-Start Reduces Inrush Current
Shutdown Current <1µA
Short-Circuit Protection No Inductors Available in Low Profile 6-Lead SOT23 Package
Application
White LED Backlighting Li-Ion Battery Backup Supplies Local 3V to 5V Conversion Smart Card Readers PCMCIA Local 5V Supplies
Description
The XA3200 is a low noise, constant frequency (400kHz) switched capacitor voltage doubler. It produce a regulated output voltage from a 2.5V to 4.5V input with up to 250mA of output current.