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MyMaxim 订阅
主要特征
- 2.7V to 6V Input Voltage
- -8.0V to -23.6V Adjustable Output Voltage
- 40mA Output Current with +5V Input
- 15mA Output Current with +3V Input
- Easy Interface to µP
- Pushbutton Control of Output Voltage
应用/用途
- 通信系统
- 笔记本电脑
- 笔记本电脑
- 掌上电脑
- PDA及其它手持设备
- 便携式数据收集终端
描述
The MAX749 LCD bias supply produces a variable negative output voltage when powered by a +3V to +5V supply. The MAX749 evaluation kit (EV kit) has a -8.0V to -23.6V adjustable output voltage. This is the typical range for driving the backplane of a liquid crystal display (LCD).
Two pushbutton switches, located on the EV kit's printed circuit board, control the output voltage. One switch connects to the CTRL pin and the other to the ADJ pin. Logic signals from an external controller may be connected to the board for optional output voltage control.
Two pushbutton switches, located on the EV kit's printed circuit board, control the output voltage. One switch connects to the CTRL pin and the other to the ADJ pin. Logic signals from an external controller may be connected to the board for optional output voltage control.
简化框图
Technical Docs
| 数据资料 | MAX749评估板 | Feb 01, 1995 |
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