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EL7583IREZ-T13 Datasheet(PDF) 1 Page - Intersil Corporation |
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EL7583IREZ-T13 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 16 page 1 ® FN7335.5 EL7583 3-Channel DC/DC Converter The EL7583 is a 3-channel DC/DC converter IC which is designed primarily for use in TFT-LCD applications. It features a PWM boost converter with 2.7V to 14V input capability and 5V to 17V output, which powers the column drivers and provides up to 470mA @ 12V, 370mA @ 15V from 5V supply. A pair of charge pump control circuits provide regulated outputs of VON and VOFF supplies at 8V to 40V and -5V to -40V, respectively, each at up to 60mA. The EL7583 features adjustable switching frequency, adjustable soft start, and a separate output VON enable control to allow selection of supply start-up sequence. An over-temperature feature is provided to allow the IC to be automatically protected from excessive power dissipation. The EL7583 is available in a standard 20 Ld TSSOP package and the Pb-free 20 Ld HTSSOP package. Both are specified for operation over the full -40°C to +85°C temperature range. Features • TFT-LCD display supply - Boost regulator -VON charge pump -VOFF charge pump • 2.7V to 14V VIN supply •5V < VBOOST < 17V •5V < VON < 40V • -40V < VOFF < 0V •VBOOST = 12V @ 470mA •VBOOST = 15V @ 370mA • High frequency, small inductor DC/DC boost circuit • Over 90% efficient DC/DC boost converter capability • Adjustable frequency • Adjustable soft-start • Adjustable outputs • Small parts count • Pb-free plus anneal available (RoHS compliant) Applications • TFT-LCD panels •PDAs Pinout EL7583 (20 LD TSSOP/HTSSOP) TOP VIEW Ordering Information PART NUMBER PART MARKING TAPE & REEL PACKAGE PKG. DWG. # EL7583IR 7583IR - 20 Ld TSSOP MDP0044 EL7583IR-T7 7583IR 7” 20 Ld TSSOP MDP0044 EL7583IR-T13 7583IR 13” 20 Ld TSSOP MDP0044 EL7583IREZ (See Note) 7583IREZ - 20 Ld HTSSOP (Pb-free) MDP0048 EL7583IREZ-T7 (See Note) 7583IREZ 7” 20 Ld HTSSOP (Pb-free) MDP0048 EL7583IREZ-T13 (See Note) 7583IREZ 13” 20 Ld HTSSOP (Pb-free) MDP0048 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. ROSC ENP ENBN VREF PGND PGND DRVP VDDP FBP VSSP VSSB SS FBB VDDB LX LX LX DRVN VDDN FBN REFER TO PCB LAYOUT GUIDELINE 1 2 3 4 16 15 14 13 5 6 7 12 11 9 8 10 20 19 18 17 Data Sheet May 12, 2006 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2003, 2005-2006. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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