Charge Pump Regulator for Color TFT Panels ADM8839 FEATURES 3 Voltages (+5 V, +15 V, –15 V) from a Single 3 V Supply Power Efficiency Optimized for Use with TFT in Mobile Phones Low Quiescent Current Low Shutdown Current (5 ␮A) Shutdown Function Option to Use External LDO APPLICATIONS Hand-held Instruments TFT LCD Panels Cellular Phones FUNCTIONAL BLOCK DIAGRAM C5, 2.
2␮F VCC ADM8839 C1+ VOLTAGE DOUBLER C1– C1, 2.
2␮F VOUT LDO_IN OSCILLATOR LDO VOLTAGE REGULATOR C6, 2.
2␮F +5VOUT +5VIN C2+ C2– C3+ C3– C3, 0.
22␮F +15V C8, 0.
22␮F C4, 0.
22␮F LDO_ON/OFF CONTROL LOGIC +5V C7, 2.
2␮F DOUBLE VOLTAGE TRIPLER TRIPLE TIMING GENERATOR C2, 0.
22␮F +15VOUT C4+ SHDN SHUTDOWN CONTROL DISCHARGE VOLTAGE...

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