Datasheets

The NX4108-12 is a current mode PWM buck switcher with internal compensation and fixed 1.2V output voltage, can provide up to 1A output current with FET on board. It operates from 2.8V to 5.5V which is ideal for the application with single cell Li-Ion battery as well as other 3.3V input bus supply applications. Switching frequency is fixed 1MHz, small surface mount inductors and capacitors are allowed to use, make it good for portable applications.
NX4108-12 is available in 5-pin SOT23 package.

FEATURES:
o 2.8 to 5.5V Input Voltage
o Fixed 1.2V Output Voltage
o 5-pin SOT23 Package
o 1MHz Fixed Frequency PWM Operation
o Internally-compensated Current Mode Controller
o Peak Current Limit with HICCUP Feature and Over Temperature Protection
o Prebias Start-up Operation
o Pb-free and RoHS Compliant

APPLICATIONS
o Li-Ion Battery Operated Portable System
o Cellular Phones
o Portable Applications
o USB Devices 

Datasheet: 1N935BUR-1 through 1N938BUR-1, CDLL935 through CDLL938B