TPS62750 step down dc-dc converter optimized for USB powered applications
Using TPS62750 highly efficient synchronous step down dc-dc converter can be designed a very simple power supply project optimized for USB powered portable applications. TPS62750 can provide up to 1300mA average input current .
With an input voltage range of 2.9 V to 6.0V TPS62750 step down dc-dc converter supports batteries with extended voltage range .
TPS62750 operates at 2.25 MHZ fixed switching frequency . At light loads the TPS62750 enters in Power Save mode .
The TPS62750 can be used in power supplies for USB portable devices and handheld computers .
Main features of the TPS62750 step down dc-dc converter are : >90% efficiency , programmable input current for USB applications , stable output voltage , voltage input from 2.9 to 6 volts , automatic PFM/PWM mode transition , output voltage from 0.8 to 0.85xinput voltage , short circuit and thermal shut down protection .
As you can see in the schematic circuit diagram , this dc dc converter electronic circuit project require few external electronic parts and can be designed very easy .