DESCRIPTION
The AIC1848 charge pump is a micropower charge pump DC/DC converter that produces a egulated output voltage from 2.7V to 4.5V input voltage. Low external-part count (one flying capacitor and two small bypass capacitors) makes the AIC1848 ideal for small, battery-powered applications.

FEATURES
• Regulated ±4% Output Voltage
• Output Current: 100mA at VIN =3.1V
• Input Range: 2.7V to 4.5V
• No Inductors Required
• Very Low Shutdown Current: <1µA
• 1.8MHz Switching Frequency
• Short-Circuit and Over Temperature Protection
• Low Profile Package: SOT-23-6

APPLICATIONS
• White LEDs Backlighting
• SIM Interface Supplies for Cellular Telephones
• Li-Ion Battery Backup Supplies
• Local 3V to 5V Conversion
• Smart Card Readers
• PCMCIA Local 5V Supplies