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The RT7291A/B is a synchronous Buck converter with Advanced Constant On-Time (ACOT®) mode control. The main control loop of the RT7291A/B uses an ACOT® mode control which provides a very fast transient response with no external compensators. The RT7291A/B operates from 5V to 23V input voltage, provides a 5V LDO and a 300kHz CLK to drive an external charge pump. OCP, UVP and OVP are included in the RT7291A/B. This IC also provides a 1.5ms internal soft-start function and an open-drain power good indicator.

Applications

  • Laptop Computers
  • Tablet PCs
  • Networking Systems
  • Servers
  • Personal Video Recorders
  • Flat Panel Television and Monitors
  • Distributed Power Systems
Reference Design
TitleLast UpdateDownload
Richtek Load Transient Tool2022/07/25
Part NumberPackage TypePackage Qty.Free SampleDistributorStockBuy From Authorized Distributor
RT7291BGQUFUQFN3x3-16(FC)1,500 Request Digikey 242 Buy
Mouser 1,500 Buy
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