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RT6543A

Richtek
Part Number RT6543A
Manufacturer Richtek
Description High Efficiency Single Synchronous Buck PWM Controller
Published Mar 19, 2020
Detailed Description ® RT6543A/B High Efficiency Single Synchronous Buck PWM Controller for INTEL VCCIN AUX ICL and TGL General Description...
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RT6543A
RT6543A

Overview
® RT6543A/B High Efficiency Single Synchronous Buck PWM Controller for INTEL VCCIN AUX ICL and TGL General Description The RT6543A/B PWM controller provides high efficiency, excellent transient response, and high DC output accuracy for stepping down high voltage batteries to generate low voltage CPU core, I/O, and chipset RAM.
The RT6543A/B supports on chip voltage programming function between 0V and 1.
8V by controlling VID1/VID0 inputs.
Compared with conventional current-mode PWMs, the RT6543A/B achieves high efficiency without any current sensing resistors.
Furthermore, the RT6543A/B has ability to drive synchronous rectifier MOSFETs and enters diode emulation mode at light load conditio...


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