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AAT1118 Datasheet(PDF) 1 Page - Advanced Analog Technology, Inc. |
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AAT1118 Datasheet(HTML) 1 Page - Advanced Analog Technology, Inc. |
1 / 14 page Advanced Analog Technology, Inc. – 台灣類比科技股份有限公司 – – Advanced Analog Technology, Inc. – Page 1 of 14 V 2.0011 AAT1118 Details are subject to change without notice. ADJUSTABLE TRIPLE-CHANNEL TFT LCD DC-DC CONVERTER Features Built in 1.6A, 0.2 Switching NMOS Fault and Thermal Protection Internal Soft-Start Function Internal Power Up Sequencing Dual Adjustable Charge Pump Output Positive Output to 40V Negative Output to 40V − Power Good Output TSSOP-16 Package Pin Configuration (Top View) General Description The AAT1118 is an adjustable triple-channel TFT LCD DC-DC converter that provides one current mode PWM, one positive charge pump and one negative charge pump. Built-in functions include soft-start and power up sequencing. When power is turned on, soft-start avoids inrush current. Power up sequencing feature provides compensation for LCD panel to maintain a smooth voltage during a turn-on cycle. The DC-DC converter consists of an on-chip voltage reference, error amplifier, current sense, pulse width modulation controller, under-voltage lockout protection, thermal detect, soft-start, and fault protection circuit. When the two charge pumps are in operation, the output voltage would be doubled and the generated VP3 and VP2 could switch on or off TFT gate. With the minimal external components, the AAT1118 offers a simple and economical solution for TFT LCD power. (TSSOP-16 Package) |
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