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RT8223N 데이터시트

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RT8223N High Efficiency, Main Power Supply Controller for Notebook Computer Richtek
Richtek Technology Richtek
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General Description
The RT8223N is a dual step-down, switch-mode power supply controller generating logic-supply voltages in battery-powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V linear regulators.

Features
Constant On-time Control with 100ns Load Step Response
Wide Input Voltage Range : 6V to 25V
Dual Adjustable Outputs from 2V to 5.5V
Fixed 3.3V and 5V LDO Output : 100mA
2V Reference Voltage
Frequency Selectable via TONSEL Setting
4700ppm/°C RDS(ON)Current Sensing
Programmable Current Limit Combined with Enable Control
Selectable PWM, DEM, or Ultrasonic Mode
Internal Soft-Start and Soft-Discharge
High Efficiency up to 97%
5mW Quiescent Power Dissipation
Thermal Shutdown
RoHS Compliant and Halogen Free

Applications
Notebook and Sub-Notebook Computers
3-Cell and 4-Cell Li+ Battery-Powered Devices

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RT8223N 관련 기타 제조 업체 검색

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