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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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RT9600CS Scheda tecnica(PDF) 1 Page - List of Unclassifed Manufacturers |
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RT9600CS Scheda tecnica(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 6 page  Preliminary RT9600 DS9600-00 July 2001 www.richtek-ic.com.tw 1 Synchronous-Rectified Buck MOSFET Drivers General Description The RT9600 is a high frequency, dual MOSFET driver specifically designed to drive two power N- Channel MOSFETs in a synchronous-rectified buck converter topology. This driver combined with a RT9237 Multi-Phase Buck PWM controller form a complete core-voltage regulator solution for advanced microprocessors. The RT9600 drives both the lower/upper gate in a synchronous-rectifier bridge to 12V. Independent driving of upper gate through PVCC pin is achievable. Recommended PVCC ranges are from 8 to 12V for Rds(on) concern. This drive-voltage flexibility provides the advantage of optimizing applications involving trade-offs between switching losses and conduction losses. The output drivers in the RT9600 have the capacity to efficiently switch power MOSFETs at frequencies up to 2MHz. Each driver is capable of driving a 3000pF load with a 30ns propagation delay and 50ns transition time. RT9600 implements bootstrapping on the upper gate with only an external capacitor required. This reduces implementation complexity and allows the use of higher performance, cost effective, N-Channel MOSFETs. Adaptive shoot-through protection is integrated to prevent both MOSFETs from conducting simultaneously. Ordering Information RT9600 Features Drives Two N-Channel MOSFETs Adaptive Shoot-Through Protection Internal Bootstrap Device Supports High Switching Frequency − Fast Output Rise Time − Propagation Delay 30ns Small SOP-8 Package Dual Gate-Drive Voltages for Optimal Efficiency Three-State Input for Bridge Shutdown Supply Under Voltage Protection High Side Short Circuit Protection Applications Core Voltage Supplies for Intel Pentium 4, AMD Athlon TM Microprocessors High Frequency Low Profile DC-DC Converters High Current Low Voltage DC-DC Converters Pin Configurations Part Number Pin Configurations RT9600CS (Plastic SOP-8) TOP VIEW Operating temperature range C: Commercial standard Package Type S : SOP-8 UGATE BOOT PWM GND 1 2 3 4 8 7 6 5 PHASE PVCC VCC LGATE |
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