XA2320
Low Noise, Regulated Charge Pump DC/DC Converter
Features
Fixed 5V ± 4% Output VIN Range: 2.
7V to 5V Output Current: Up to 250mA Constant Frequency Operation at All Loads Low Noise Constant Frequency (1.
2MHz) 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 XA2320 is a low noise, constant frequency (1.
2MHz) switched capacitor
voltage doubler.
It produce a regulated output
voltage from a 2.
7V to 4.
5V input with up to 250mA of...