MAX8752 TFT LCD Step-Up DC-DC Converter
■ The MAX8752 is a high-performance, step-up DC-DC converter that provides a regulated supply voltage for active-matrix thin-film transistor (TFT) liquid-crystal displays (LCDs). The MAX8752 incorporates current-mode, fixed-frequency, pulse-width modulation (PWM) circuitry with a built-in n-channel power MOSFET to achieve high efficiency and fast transient response. The input supply voltage of the MAX8752 is from 1.8V to 5.5V.The MAX8752 operates with a switching frequency of 1.2MHz, allowing the use of ultra-small inductors and low-ESR ceramic capacitors. The current-mode architecture provides fast transient response to the pulsed loads typical of LCD source-driver applications. A compensation pin (COMP) gives users flexibility in adjusting loop dynamics. The 14V internal MOSFET can generate output voltages up to 13V. The internal digital soft-start and current limit effectively control inrush and fault currents.The MAX8752 is available in a 3mm x 3mm, 8-pin TDFN package with a maximum height of 8mm.
● Features
■ 1.8V to 5.5V Input Supply Range
■ Built-In 14V, 2.2A, 0.2Ω n-Channel MOSFET
■ High Efficiency (> 85%)
■ Fast Transient Response to Pulsed Load
■ High-Accuracy Output Voltage (1.5%)
■ Internal Digital Soft-Start
■ Input Supply Undervoltage Lockout
■ 1.2MHz Switching Frequency
■ 0.1μA Shutdown Current
■ Small 8-Pin TDFN Package
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[ Notebook Computer Displays ][ LCD Monitor Panels ][ active matrix thin film transistor ][ TFT ][ liquid crystal displays ][ LCDs ] |
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Datasheet |
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Please see the document for details |
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TDFN;TDFN-EP;T833-2 |
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English Chinese Chinese and English Japanese |
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10/14 |
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Rev 1 |
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19-3793 |
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865 KB |
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