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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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RT9174CS 데이터시트(PDF) 1 Page - Richtek Technology Corporation |
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RT9174CS 데이터시트(HTML) 1 Page - Richtek Technology Corporation |
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1 / 8 page  Preliminary RT9174 DS9174-00 April 2001 www.richtek-ic.com.tw 1 Triple Linear Regulator Controllers General Description The RT9174 is a triple linear regulator controller designed for motherboard application. The regulators are intended to regulate the computer system AGP (2X/4X) power, the 2.5V clock power, and the 1.8V power for North/South Bridge core voltage and/or cache memory circuits. All controllers can drive NPN or NMOSFET pass transistor. A special scheme empoly driver voltage could be higher than VDD when driving NMOSFET through the 12V power. The RT9174 future a small SOP-8 package for saving board area. It also builds in current limiting and thermal shutdown protection function. Ordering Information RT9174C S Function Block Diagram Features Integrated Three Linear Controllers in a SOP-8 Package Driving NPN or NMOSFET Sourcing ( > 100mA) and Sinking ( > 5mA) Driver Tri-State Output Driver Low Internal 0.8V Reference Adjustable Output Voltage Setting High Output Stability VDDQ 1.5/3.3V Automatic Changing for AGP Wide 3V ~ 8V Input Voltage Range Current Limiting and Thermal Protection Applications Mother Boards Power Supply Graphic Cards Pin Configurations Part Number Pin Configurations RT9174CS (Plastic SOP-8) TOP VIEW Operating temperature range C: Commercial standard Package type S : SOP-8 VDD DRI 1 FB1 GND DRI 3 FB3 DRI 2 FB2 1 2 3 4 8 7 6 5 VDD DRI1 GND 0.8V 1.3V Reference DRI2 FB2 DRI3 FB3 FB1 _ _ OC OC OC Thermal Limit |
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