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
