TPS51125A Datasheet - Texas Instruments

TPS51125A Step-Down Controller

The TPS51125A is a cost effective, dual-synchronous buck controller targeted for notebook system power supply solutions. It provides 5-V and 3.3-V LDOs and requires few external components. The 270-kHz VCLK output can be used to drive an external charge pump, generating gate drive voltage for the lo.

TPS51125A Features

* 1

* 2 Wide Input Voltage Range: 5.5 V to 28 V

* Output Voltage Range: 2 V to 5.5 V

* Built-in 100-mA 5-V/3.3-V LDO with Switches

* Built-in 1% 2-V Reference Output

* With/Without Out-of-Audio™ Mode Selectable Light Load and PWM only Operation

* Internal

TPS51125A-etcTI.pdf