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The RT8131B is a high efficiency single phase synchronous Buck DC-DC controller with 5V supply voltage. <p align="justify">The RT8131B has embedded MOSFET gate driver with high driving capability, supporting driving voltage up to 5V. This device uses lossless low-side MOSFET R<sub>DS(ON)</sub> current sense technique for over-current protection with adjustable threshold set by the LGATE pin (LGOCS). Other features include power good indication, enable/disable control and internal soft-start. The RT8131B also provides fault protection functions to protect the power stage output. With above functions, the IC provides customers a cost-effective solution for high efficiency power conversion. The RT8131B is available in the WDFN-10L 3x3 package.</p>
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  • High Light Load Efficiency
  • Single 5V Driver Voltage
  • Integrated High Driving Capability N-MOSFET Gate Drivers
  • 300kHz Fixed Frequency Internal Oscillator
  • 88% Maximum PWM Duty Cycle
  • Power Good Indicator
  • Enable/Disable Control
  • Internal Soft-Start
  • Lossless Low-Side MOSFET RDS(ON) Current Sensing for Over-Current Fault Monitoring
  • LGATE Over-Current Setting (LGOCS)
  • OCP, UVP, OVP, OTP, UVLO
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Motherboard, Memory/Chip-Set Power<br />Graphic Card, GPU/Memory Core Power<br />Low Voltage, High Current DC-DC Regulator
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Keyword 1

Keyword 2

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