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RT9602CS Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9602CS Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 8 page  Preliminary RT9602 DS9602-00 January 2002 www.richtek-ic.com.tw 1 Dual Channel Synchronous-Rectified Buck MOSFET Driver General Description The RT9602 is a, twin power channel MOSFET driver specifically designed to drive four power N-Channel MOSFETs in a synchronous-rectified buck converter topology. These drivers combined with a RT9237/RT9241 series of Multi-Phase Buck PWM controller provide a complete core voltage regulator solution for advanced microprocessors. The RT9602 can provide flexible gate driving for both high side and low side drivers. This gives more flexibility of MOSFET selection. The output drivers in the RT9602 have the capability to drive a 3000pF load with a 40ns propagation delay and 80ns transition time. This device implements bootstrapping on the upper gates with only a single external capacitor required for each power channel. 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. The RT9602 can detect high side MOSFET drain-to- source electrical short at power on and pull the 12V power by low side MOS and cause power supply to go into over current shutdown to prevent damage of CPU. Ordering Information RT9602 Features Drives Four N-Channel MOSFETs Adaptive Shoot-Through Protection Internal Bootstrap Devices Small 14-Lead SOIC Package 5V to 12V Gate-Drive Voltages for Optimal Efficiency Tri-State Input for Bridge Shutdown Supply Under-Voltage Protection Power ON Over-Voltage Protection Applications Core Voltage Supplies for Intel Pentium 4 and AMD Athlon TM Microprocessors High Frequency Low Profile DC-DC Converters High Current Low Voltage DC-DC Converters Pin Configurations Part Number Pin Configurations RT9602CS (Plastic SOP-14) TOP VIEW Operating temperature range C: Commercial standard Package type S : SOP-14 1 2 3 4 5 6 7 PWM1 PWM2 GND LGATE1 PVCC PGND LGATE2 VCC PHASE1 UGATE1 BOOT1 BOOT2 UGATE2 PHASE2 14 13 12 11 10 9 8 |
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Similar Description - RT9602CS |
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