The TPS62097 device is a synchronous step-down converter optimized for high efficiency
and noise critical applications. The devices focus on high efficiency conversion over a wide output
current range. At medium to heavy loads, the converter operates in PWM mode and automatically
enters Power Save Mode operation at light load. The switching frequency is selectable in the range
of 1.5 MHz to 2.5 MHz by an external resistor. iDCS-Control is able to be operated in forced PWM
mode for low noise operation with a fixed switching frequency.
To address the requirements of system power rails, the internal compensation circuit
allows a large selection of external output capacitor values in excess of 150 µF. To control the
inrush current during the startup, the device provides a programmable soft startup by an external
capacitor connected to the SS/TR pin. The SS/TR pin is also used in voltage tracking
configurations. The device integrates short circuit protection, power good and thermal shutdown
features. The device is available in a 2-mm × 2-mm VQFN package.
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