TPS51225B Datasheet - Texas Instruments

TPS51225B Step-Down Controller

The TPS51225/B/C is a cost-effective, dualsynchronous buck controller targeted for notebook system-power supply solutions. It provides 5-V and 3.3-V LDOs and requires few external components. The 260-kHz VCLK output can be used to drive an external charge pump, generating gate drive voltage for the .

TPS51225B Features

* 1 APPLICATIONS

* 2 Input Voltage Range: 5.5 V to 24 V

* Notebook Computers

* Output Voltages: 5 V and 3.3 V (Adjustable Range ±10%)

* Built-in, 100-mA, 5-V and 3.3-V LDOs

* Clock Output for Charge-Pump

* ±1% Reference Accuracy

* Adaptive On-

TPS51225B Datasheet (1.51 MB)