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ISL97650 Datasheet(PDF) 1 Page - Renesas Technology Corp |
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ISL97650 Datasheet(HTML) 1 Page - Renesas Technology Corp |
1 / 20 page FN9198 Rev.4.00 April 17, 2009 ISL97650 4-Channel Integrated LCD Supply DATASHEET FN9198 Rev.4.00 Page 1 of 20 April 17, 2009 4-Channel Integrated LCD Supply The ISL97650 represents a high power, integrated LCD supply IC targeted at large panel LCD displays. The ISL97650 integrates a high power, 2.6A boost converter for AVDD generation, an integrated VON charge pump, a VOFF charge pump driver, VON slicing circuitry and a buck regulator with 2A switch for logic generation. The ISL97650 has been designed for ease of layout and low BOM cost. Supply sequencing is integrated for both AVDD -> VOFF -> VON and AVDD/VOFF -> VON sequences. The TFT power sequence uses a separate enable to the logic buck regulator for maximum flexibility. Peak efficiencies are >90% for both the boost and buck while operating from a 4V to 14V input supply. The current mode buck offers superior line and load regulation. Available in the 36 Ld TQFN package, the ISL97650 is specified for ambient operation over the -40°C to +105°C temperature range. Pinout ISL97650 (36 LD TQFN) TOP VIEW Features • 4V to 14V Input Supply •AVDD Boost Up to 20V, with Integrated 2.8A FET • Integrated VON Charge Pump, Up to 35VOUT •VOFF Charge Pump Driver, Down to -18V •VLOGIC Buck Down to 1.2V, with Integrated 2A FET • Automatic Start-up Sequencing -AVDD -> VOFF -> VON or AVDD/VOFF -> VON - Independent Logic Enable •VON Slicing • Thermally Enhanced 6x6 Thin QFN Package • Pb-free (RoHS compliant) Applications • LCD Monitors (15”+) • LCD-TVs (up to 40”) • Notebook Displays (up to 16”) • Industrial/Medical LCD Displays THERMAL PAD 27 26 25 24 23 22 21 1 2 3 4 5 6 7 LX1 LX2 CB LXL NC VSUP FBL AGND1 PGND1 PGND2 VINL NOUT PGND3 FBN 8 9 20 19 VREF FBP CM2 CTL Ordering Information PART NUMBER (Note) PART MARKING PACKAGE (Pb-Free) PKG. DWG. # ISL97650ARTZ-T* ISL976 50ARTZ 36 Ld 6x6 Thin TQFN L36.6x6 ISL97650ARTZ-TK* ISL976 50ARTZ 36 Ld 6x6 Thin TQFN L36.6x6 *Please refer to TB347 for details on reel specifications NOTE: Intersil Pb-free plus anneal 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 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 STD-020. NOT RE COMM ENDED FOR NE W DES IGNS NO RE COMM ENDED REPLA CEMEN T |
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