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MAX9550
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所属类别：Vcom与Gamma缓冲器-Vcom-and-Gamma-Buffers
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产品名称：大电流VCOM驱动缓冲器，用于TFT LCD
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厂商：MAXIM
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生产批号：12+
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封装：SOT23
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库存状态：有库存
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库存量：3400
- 最低订购量：1
- 详细资料：
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MAX9550
High current VCOM drive buffer for TFT LCD
description
MAX9550/MAX9551/MAX9552 provides a VCOM source for TFT LCDs. MAX9550/MAX9551/MAX9552 source and absorb high currents to quickly restore VCOM voltage, making it ideal for TFT LCDs. The output is stable to within 0.1% and over 2μs. In addition, MAX9550/MAX9551/MAX9552 directly drive the capacitive load of the VCOM layer of the TFT LCD display without the need for a series resistor.
MAX9550/MAX9551/MAX9552 function single, dual, four-channel VCOM amplifier, respectively. MAX9550/MAX9551/MAX9552 can drive up to 800 mA per channel current peak and operate up to 20V. The device features soft-start to reduce inrush current, output short-circuit protection, and thermal shutdown.
MAX9550 is a space-saving 5-pin low-profile SOT23 package with an 8-pin μMAX® package with bare pads. MAX9551 is an 8-pin μMAX package with exposed pads. MAX9552 is in a 14-pin TSSOP package. All devices are specified to operate in a temperature range of -40°C to +85°C.
Key features:
- Operates up to 20V
- 800 mA peak output current
- The V OUT of 0.1% is less than 2μs
- Excellent load regulation
- Thermal shutdown protection
- Short circuit protection for both sides of Rails
- Soft start reduces inrush current
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Applications/Uses:
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Display: LCD
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Flat screen and plasma TV
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The instrument controls the voltage source
- TFT LCD panel
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chart
Typical working circuit
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