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Motherboard
Motherboard
Memory/Chip-set Power
Graphic Card
GPU/Memory Core Power
Low Voltage
High Current DC-DC Regulator
Wide Input Voltage Range : 2.5V to 25V
Wide Input Voltage Range : 2.5V to 25V
High Light Load Efficiency
Integrated High Driving Capability N-MOSFET Gate Drivers and Embedded
Switching Boot Diode
Single IC Supply Voltage : 4.5V to 13.2V
Power-Good Indicator
Enable/Disable Control
Internal Soft-Start
Programmable Current Limit Threshold
Under-Voltage Protection
Over-Voltage Protection
Thermal Shutdown
High Efficiency Single Synchronous Buck PWM Controller
The RT8129C is a high efficiency single phase synchronous buck controller with ,5V/12V supply voltage. The RT8129C integrates a Constant-On-Time (COT) PWM ,controller and a MOSFET drivers with internal bootstrap diodes, which is ,specifically designed to improve converter efficiency at light load condition. ,At light load condition, it automatically operates in the diode emulation mode ,to reduce switching frequency and improve conversion efficiency.,,Other features include power good indication, enable/disable control and ,internal soft-start function. The RT8129C also provide protection functions ,including Over-Voltage Protection (OVP), Under-Voltage Protection (UVP), ,current limit and thermal shutdown.,,This device uses lossless low-side MOSFET RDS(ON) current sense technique for ,current limit with adjustable threshold set by connecting a resistor between ,the LGATE/OCSET and GND.,,With above functions, the RT8129C provides customers a cost-effective ,solution for high efficiency power conversion. The RT8129C is available in the ,WDFN-10L 3x3 package.,,
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