4-V to 8-V, 3-A, 2-A Triple Synchronous Step-Down Converter

The TPS65268-Q1 device incorporates

triple-synchronous buck converters with 4-V to 8-V wide input voltage. The converter

with constant frequency peak current mode is designed to simplify its application

while giving designers options to optimize the system according to targeted

applications. The switching frequency of the converters is adjustable from 200 kHz

to 2.3 MHz with an external resistor. Operation that is 180° out-of-phase between

BUCK1 and BUCK2, and BUCK3 (BUCK2 and BUCK3 run in phase) minimizes the input filter

requirements.

Each buck converter in the TPS65268-Q1

device operates in forced continuous-current mode (FCCM) at light load condition for

reduced output voltage ripple and improved load transient response.

The TPS65268-Q1 device features

overvoltage, overcurrent, short-circuit, and overtemperature protection.