® RT8120J/K Single-Phase Synchronous Buck PWM Controller General Description The RT8120J/K is a single-phase synchronous Buck PWM DC-DC controller designed to drive two N-MOSFET.
It provides a highly accurate, adjustable output voltage precisely regulated to low voltage requirements with an internal 0.
8V ±1% ( option for 0.
6V ±1.
5%) reference.
The RT8120J/K uses a single feedback loop voltage mode PWM control for fast transient response.
An oscillator with fixed frequency 300kHz reduces the external inductor and capacitor component size for saving space on PCB.
The RT8120J/K provides fast transient response to satisfy high current output applications while minimizing external components.
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