TPS51275B-1 Datasheet (Texas Instruments) - Dual Synchronous Step-Down Controller

TPS51275B-1, Dual Synchronous Step-Down Controller

The TPS51275B-1 device is a cost-effective, dualsynchronous buck controller targeted for notebook system-power supply solutions.

The device has 5-V and 3.3-V low-dropout regulators (LDOs) and requires few external components.

The 260-kHz VCLK output can be used to drive an external charge pump, gene

TPS51275B-1 Features

* 1 Input Voltage Range: 5 V to 24 V

* 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-Time D-CAP™ Mode Control Architecture with 300-kH