Datasheet Summary
Features n Internal 2A MOSFET Switch n 1.2MHz Switching Frequency n Integrated Soft-Start n Low 1.6V VIN Operation n Low RDS(ON) Switch: 100mΩ at 5V Output n Delivers 5V at 800mA from a 3.3V Input n Delivers 3.3V at 800mA from a 2.5V Input n Uses Small, Low Profile External ponents n Low Profile (1mm) SOT-23 (ThinSOT™) Package
APPLICATIONS n White LED Driver Supply n Local 3.3V or 5V Supply n Battery Back-Up
TYPICAL APPLICATION
3.3V to 5V Boost Converter
VIN 2.2µH 3.3V
10µF
SW VIN VOUT
OFF ON
SHDN
VOUT 5V 800mA 22µF
3426 TA01
LTC3426 1.2MHz Step-Up DC/DC
Converter in SOT-23
DESCRIPTION
The LTC®3426 step-up switching regulator generates an output...