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AAT3190

Part Number	AAT3190
Manufacturer	ANALOGICTECH
Description	Positive/Negative Charge Pump for Voltage Bias
Published	Jul 29, 2005
Detailed Description	AAT3190 Positive/Negative Charge Pump for Voltage Bias General Description The AAT3190 charge pump controller provides t...
Datasheet	AAT3190 PDF File

Overview

AAT3190 Positive/Negative Charge Pump for Voltage Bias General Description The AAT3190 charge pump controller provides the regulated positive and negative voltage biases required by active matrix thin-film transistor (TFT) liquid-crystal displays (LCDs), charge-coupled device (CCD) sensors, and organic light emitting diodes (OLEDs).
Two low-power charge pumps convert input supply voltages ranging from 2.
7V to 5.
5V into two independent output voltages.
The dual low-power charge pumps independently regulate a positive (VPOS) and negative (VNEG) output voltage.
These outputs use external diode and capacitor multiplier stages (as many stages as required) to regulate output voltages up to ±25V.
B...

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