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EL7641ILTZ-T7 Datasheet(PDF) 1 Page - Intersil Corporation |
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EL7641ILTZ-T7 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 19 page 1 ® FN7415.2 EL7640, EL7641, EL7642 TFT-LCD DC/DC with Integrated Amplifiers The EL7640, EL7641, and EL7642 integrate a high performance boost regulator with 2 LDO controllers for VON and VOFF, a VON-slice circuit with adjustable delay and either one (EL7640), three (EL7641), or five amplifiers (EL7642) for VCOM and VGAMMA applications. The boost converter in the EL7640, EL7641, and EL7642 is a current mode PWM type integrating an 18V N-channel MOSFET. Operating at 1.2MHz, this boost can operate in either P-mode for superior transient response, or in PI-mode for tighter output regulation. Using external low-cost transistors, the LDO controllers provide tight regulation for VON, VOFF, as well as providing start-up sequence control and fault protection. The amplifiers are ideal for VCOM and VGAMMA applications, with 150mA peak output current drive, 12MHz bandwidth, and 12V/ µs slew rate. All inputs and outputs are rail-to-rail. Available in the 32 Ld thin QFN (5mm x 5mm) Pb-free packages, the EL7640, EL7641, and EL7642 are specified for operation over the -40°C to +85°C temperature range. Features • Current mode boost regulator - Fast transient response - 1% accurate output voltage - 18V/3A integrated FET - >90% efficiency • 2.6V to 5.5V VIN supply • 2 LDO controllers for VON and VOFF - 2% output regulation -VON-slice circuit • High speed amplifiers - 150mA short-circuit output current -12V/ µs slew rate - 12MHz -3dB bandwidth - Rail-to-rail inputs and outputs • Built-in power sequencing • Internal soft-start • Multiple overload protection • Thermal shutdown • 32 Ld 5x5 thin QFN package • Pb-Free plus anneal available (RoHS compliant) Applications • TFT-LCD panels • LCD monitors • Notebooks •LCD-TVs Ordering Information PART NUMBER (Note) PART MARKING TAPE & REEL PACKAGE (Pb-Free) PKG. DWG. # EL7640ILTZ 7640ILTZ - 32 Ld 5x5 Thin QFN MDP0051 EL7640ILTZ-T7 7640ILTZ 7” 32 Ld 5x5 Thin QFN MDP0051 EL7640ILTZ-T13 7640ILTZ 13” 32 Ld 5x5 Thin QFN MDP0051 EL7641ILTZ 7641ILTZ - 32 Ld 5x5 Thin QFN MDP0051 EL7641ILTZ-T7 7641ILTZ 7” 32 Ld 5x5 Thin QFN MDP0051 EL7641ILTZ-T13 7641ILTZ 13” 32 Ld 5x5 Thin QFN MDP0051 EL7642ILTZ 7642ILTZ - 32 Ld 5x5 Thin QFN MDP0051 EL7642ILTZ-T7 7642ILTZ 7” 32 Ld 5x5 Thin QFN MDP0051 EL7642ILTZ-T13 7642ILTZ 13” 32 Ld 5x5 Thin QFN MDP0051 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. Data Sheet February 22, 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. 2006. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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