電子亮度控制 的英文怎麼說
中文拼音 [diànziliàngdùkòngzhì]
電子亮度控制
英文
electronic brightness control- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 亮 : Ⅰ形容詞1 (光線強; 明亮) bright; light 2 (聲音強; 響亮) loud and clear; resounding 3 (開朗; ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 電子 : [物理學] [電學] electron
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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The chip is mainly applied to the portable electronic products with the following features : 2. 7v to 5. 5v input voltage range ; the 1mhz fixed frequency ; - 40 to + 85 operating temperature ; two digital inputs control on / off and select amongst three levels of brightness ; thermal shutdown and under voltage shutdown protection, low 0. 1 a shutdown current ; soft - start limits inrush current
該晶元主要應用於便攜式電子產品,其輸入電壓范圍為2 . 7 5 . 5v ,工作頻率為固定的1mhz ,可大幅度降低輸入紋波和emi輻射,工作溫度范圍為- 40 + 85 ,可使用外部使能控制信號調節led亮度及控制晶元關斷與否,具有過溫保護和輸入欠壓關斷保護功能,完全關斷模式下關斷電流可低至0 . 1 a ,具有軟啟動功能以限制啟動時的浪涌電流。The whole system analysis and sub - block design were proceeded to the function requirements. typical sub - blocks were analysed emphatically such as switch capacitor sampling / holding block, brightness control block, oscillator, thermal shut down circuit, ptat and bandgap reference etc. principle and operation of driver circuit are analyzed in the thesis
在電路設計中,結合開關電容采樣保持電路、 pwm / linear亮度控制模式以及恆流源驅動等理論給出設計依據,並根據功能需求進行了電路的總體結構設計和子電路設計。
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