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ISL97644IRZ-TK Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL97644IRZ-TK Datasheet(HTML) 1 Page - Intersil Corporation |
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1 / 15 page  1 ® FN9228.1 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, 2007. All Rights Reserved All other trademarks mentioned are the property of their respective owners. ISL97644 Boost + LDO + VON Slice + VCOM The ISL97644 represents an integrated DC/DC regulator for monitor and notebook applications with screen sizes up to 20”. The device integrates a boost converter for generating AVDD, a VON slice circuit, an integrated logic LDO and a high performance VCOM amplifier. The boost converter features a 2.6A FET and has user programmable soft-start and compensation. With efficiencies up to 92%, the AVDD is user selectable from 7V to 20V. The logic LDO includes a 350mA FET for driving the low voltage needed by the external digital circuitry. The VON slice circuit can control gate voltages up to 30V. High and low levels are programmable, as well as discharge rate and timing. The integrated VCOM features high speed and drive capability. With 30MHz bandwidth and 50V/µs slew rate, the VCOM amplifier is capable of driving 400mA peaks, and 100mA continuous output current. Pinout ISL97644 (24 LD 4x4 QFN) TOP VIEW Features • 3V to 5.5V Input • 2.6A Integrated Boost for Up to 20V AVDD • Integrated VON Slice •350mA VLOGIC LDO - 2.5V, 2.85V, 3.3V Output Voltage Selectable • 600kHz/1.2MHz fS •VCOM Amplifier -30MHz BW -50V/µs SR - 400mA Peak Output Current • UV and OT Protection • 24 Ld 4x4 QFN • Pb-Free (RoHS Compliant) Applications • LCD Monitors (15”+) • Notebook Display (up to 16”) GND VGH_M VFLK VDPM VDD_1 VDD_2 LX VIN_2 FREQ COMP SS VIN_1 1 2 3 4 5 6 18 17 16 15 14 13 24 23 22 21 20 19 789 10 11 12 Ordering Information PART NUMBER (Note) PART MARKING TEMP. RANGE (°C) PACKAGE (Pb-Free) PKG. DWG. # ISL97644IRZ 97644IRZ -40 to +85 24 Ld 4x4 QFN L24.4x4D ISL97644IRZ-T* 97644IRZ -40 to +85 24 Ld 4x4 QFN Tape & Reel L24.4x4D ISL97644IRZ-TK* 97644IRZ -40 to +85 24 Ld 4x4 QFN Tape & Reel L24.4x4D *Please refer to TB347 for details on reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate PLUS ANNEAL - e3 termination finish, which is 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 December 14, 2007 |
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