TPS51275 Datasheet (Texas Instruments)

TPS51275, Step-Down Controller

The TPS51275, TPS51275B and TPS51275C are cost-effective, dual-synchronous buck controllers 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

TPS51275 Features

* 1 APPLICATIONS

* 2 Input Voltage Range: 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-Ti