ISL6740A September 2005 FN9195.0 PWM ISL6740A ISL6740 (PWM) ISL6740 , 2MHz DC , ISL6740A , , 40nS BiCMOS , 95A 1MHz, , , SYNC SYNC , ELV, WEEE, and RoHS Compliant (C) 16 Ld ISL6740AIVZA -40 to 105 TSSOP M16.173A (Note) (Pb-free) DC Add -T suffix to part number for tape and reel packaging. NOTE: Intersil Pb-free products employ special Pb-free material sets molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible ISL6740A (QSOP) with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J OUTA 1 16 OUTB STD-020. GND 2 15 V REF SCSET 3 14 V DD C 4 13 R T TD SYNC 5 12 RTC CS 6 11 OTS V 7 10 FAULT ERROR UV/FF89 SS CAUTION: These devices are sensitive to electrostatic discharge follow proper IC Handling Procedures. 1 1-888-INTERSIL or 1-888-468-3774 Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005. All Rights Reserved All other trademarks mentioned are the property of their respective owners ISL6740A VDD VREF SYNC FL V REF 100 5.00 V 1% OUTA Q ENABLE + T - Q OUTB PWM TOGGLE + BG 4.5 k - GND SC S/D OC S/D VREF N SYNC OUT Internal OT Shutdown 70A S Q 130 - 150 C Bi-Directional Synchronization SYNC IN SS LOW R Q ON INHIBIT/VIN UV SC LATCH 1.00 V + EXT . SYNC INHIBI UV/FF - T SS SS DONE OC LATCH 15A I - S Q RTC Oscillator R TC + R Q 300 k I 4.5 V RTD RTD SS CLAMP CLK SCSET Short Circuit Detection SS HI + - C T Q 4.25 V Q SS DONE 50 S SS LOW + 0.27 V RETRIGGERABLE - ONE SHOT INHIBIT FAULT LATCH SET DOMINANT OC DETECT CS + S Q 0.6 V - S Q FL R Q R Q PWM PWM LATCH COMPARATOR + RESET - DOMINANT - SC S/D FAULT 0.4 OC S/D VREF VERROR SS - VREF UV 4.65 V 0.4 0.5 + V /2 - REF + + OTS BG - 2