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ISL45041 Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL45041 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 7 page 1 ® FN6189.2 ISL45041 TFT-LCD I2C Programmable VCOM Calibrator The VCOM voltage of an LCD panel needs to be adjusted to remove flicker. This part provides a digital interface to control the sink-current output that attaches to an external voltage divider. The increase in output sink current lowers the voltage on the external divider, which is applied to an external VCOM buffer amplifier. The desired VCOM setting is loaded from an external source via a standard 2-wire I2C serial interface. At power up the part automatically comes up at the last programmed EEPROM setting. An external resistor attaches to the SET pin, and sets the full-scale sink current that determines the lowest voltage of the external voltage divider. The ISL45041 is available in an 8 Ld 3mmx3mm TDFN package with a maximum thickness of 0.8mm for ultra thin LCD panel design. An evaluation kit complete with software to control the DCP from a computer is available. Reference Application note AN1207 and Ordering Information. Features • 128-Step Adjustable Sink Current Output • 2.25V to 3.3V Logic Supply Voltage Operating Range (2.25V Minimum Programming Voltage) • Analog Supply Voltage Range 4.5V to 18V for VDD from 2.6V to 3.6V; 4.5V to 13V for VDD from 2.25V to 2.6V •I2C Interface (Slave and Transmitter) - Address: 1001111 • On-Board 7-Bit EEPROM • Output Adjustment SET Pin • Output Guaranteed Monotonic Over-Temperature • Thin 8 Ld 3mmx3mm DFN (0.8mm max) • Pb-free available (RoHS compliant) Applications • LCD Panels Pinout ISL45041 (8 LD TDFN) TOP VIEW Ordering Information PART NUMBER (Note) PART MARKING TEMP. RANGE (°C) PACKAGE (Pb-Free) PKG. DWG. # ISL45041IRZ 041Z 0 to +85 8 Ld 3x3 TDFN L8.3X3A ISL45041IRZ-T* 041Z 0 to +85 8 Ld 3x3 TDFN Tape and Reel L8.3X3A ISL45041EVAL1Z Evaluation Board *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. OUT AVDD WP GND 1 2 3 4 8 7 6 5 SET SCL SDA VDD Data Sheet August 29, 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. 2005, 2006, 2007. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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