2A, 5.5V, Low IQ ACOT Synchronous Step-Down Converter


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The RT5795A is a full featured 5.5V, 2A, Advanced Constant-On-Time (ACOT) synchronous step-down converter with two integrated MOSFETs. The advanced COT operation allows transient responses to be optimized over a wide range of loads, and output capacitors to efficiently reduce external component count. The RT5795A provides up to 2.7MHz switching frequency to minimize the size of output inductor and capacitors. The RT5795A is available in the WDFN-8SL 2x2 package.


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Status Active
Vin (min) (V) 2.5
Vin (max) (V) 5.5
Number of Outputs 1
Vout (min) (V) 0.45
Vout (max) (V) 3.3
Output Adj. Method Resistor
Iout (max) (A) 2
Current Limit (typ) (A) 3.2
Freq (typ) (kHz) 2700
Ext Sync No
Ron_HS (typ) (mOhm) 100
Ron_LS (typ) (mOhm) 80
Iq (typ) (mA) 0.03
Features OCP;PSM;Power Good;UVP
Package Type WDFN2x2-8S
  • 2.5V to 5.5V Input Voltage Range
  • Advanced COT Control loop design
  • Fast Transient Response
  • Internal 100mΩ and 80mΩ Synchronous Rectifier
  • Highly Accurate VOUT Regulation Over Load/Line Range
  • Robust Loop Stability with Low-ESR COUT
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2A, 5.5V, Low IQ ACOT Synchronous Step-Down Converter2015/10/12
Technical Documents
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ACOT™ (Advanced Constant-On Time) Synchronous Step-Down Converters2019/12/13
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怎样使用简单工具对电源转换器的稳定性进行测试评估?2017/03/30 645
Evaluation Boards
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2A, 5.5V, Low IQ ACOT Synchronous Step-Down Converter2017/09/04
Reference Design
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Design Tool
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Richtek Designer™ Web Simulation Tool : RT5795AGQW2020/02/05
Part NumberPackage TypePackage Qty.Free SampleBuy From Authorized Distributor
RT5795AGQWWDFN2x2-8S2500 Request Buy from Distributor