TPS54291PWP Datasheet PDF - TI

DESCRIPTION

●TPS54290/1/2 is a dual output fully synchronous buck converter capable of supporting applications with a minimal number of external components. It operates from a 4.5 V to 18 V input supply voltage, and

●supports output voltages as low as 0.8 V and as high as 90% of the input voltage.

●FEATURES

●• 4.5 V to 18 V Input Range

●• Output Voltage Range 0.8 V to DMAX × VIN

●• Fully Integrated Dual Buck, 1.5 A/2.5 A

●• Three Fixed Switching Frequency Versions:

●– TPS54290 – 300 kHz

●– TPS54291 – 600 kHz

●– TPS54292 – 1.2 MHz

●• Integrated UVLO

●• 0.8 VREF With 1% Accuracy (0°C to 85°C)

●• Internal Soft-Start

●– TPS54290 – 5.2 ms

●– TPS54291 – 2.6 ms

●– TPS54292 – 1.3 ms

●• Dual PWM Outputs 180° Out-of-Phase

●• Dedicated Enable for Each Channel

●• Current Mode Control for Simplified Compensation

●• External Compensation

●• Pulse-by-Pulse Overcurrent Protection, 2.2 A/3.8 A Overcurrent Limit

●• Integrated Bootstrap Switch

●• Thermal Shutdown Protection at 145°C

●• 16-Pin PowerPAD™ HTSSOP Package

●APPLICATIONS

●• Set Top Box

●• Digital TV

●• Power for DSP

●• Consumer Electronics