MAX1779 Low-Power Triple-Output TFT LCD DC-DC Converter

Maxim

Description

19-1795; Rev 0; 11/00 Low-Power Triple-Output TFT LCD DC-DC Converter General .
The MAX1779 triple-output DC-DC converter provides highly efficient regulated voltages required by small active matrix, thin-film transistor (TFT) liq.

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Datasheet Specifications

Part number: MAX1779
Manufacturer: Maxim
File Size: 323.97 KB
Datasheet: MAX1779_MaximIntegratedProducts.pdf
Description: Low-Power Triple-Output TFT LCD DC-DC Converter

Features

* o Three Integrated DC-DC Converters o 250kHz Current-Mode PWM Boost Regulator Up to +13V Main High-Power Output ±1% Accuracy High Efficiency (91%) o Dual Charge-Pump Outputs Up to +40V Positive Charge-Pump Output Down to -40V Negative Charge-Pump Output o Internal Supply Sequencing o Internal Power

Applications

* TFT Active-Matrix LCD Displays Passive-Matrix LCD Displays PDAs Digital-Still Cameras Camcorders TOP VIEW RDY 1 FB 2 INTG 3 IN 4 GND 5 REF 6 FBP 7 FBN 8 16 TGND 15 LX 14 PGND MAX1779 13 SUPP 12 DRVP 11 SUPN 10 DRVN 9 SHDN TSSOP Typical Operating Circuit appears at end of data sheet. ____________

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MAX1779 Low-Power Triple-Output TFT LCD DC-DC Converter Maxim

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