input voltage range造句
例句與造句
- With wide input voltage range from 2 . 6v to 5 . 5v , an output voltage up to 12v can be generated
該dc - dc變換器可以用于lcd顯示器、個人計算機存儲卡以及手機、 mp3等便攜式產品。 - A dual step - up dc / dc converter using 1 . 5 micro - meter bicmos / dmos process with wide input voltage range of 2 . 7v to 5 . 5v was presented on this thesis
本文分析了一種雙輸出dc / dc升壓變換器,設計了其中的部分子電路模塊。 - The outside of this chip adopts boost structure to drive up to seven white leds with the input voltage ranging from 3v to 5v . series connection of the leds provides identical led current resulting in uniform brightness
電路的電源輸入在3v 5v變化,采用boost電路結構升壓,在極限情況下最多可驅動七個白光led ,由于led串聯,因此各led電流完全匹配,亮度一至。 - An auto - adjustable charge pump embodied in a white led driver has been taped - out successfully using a 0 . 5 m cmos process . it can provide more than 80ma output current in the wide input voltage range from 2 . 7v to 5 . 5v
此電荷泵芯片采用0 . 5 mcmos工藝;輸入電壓范圍為2 . 7 5 . 5v ;可以提供大于80ma的輸出電流,同時驅動四顆白光led ;并且此芯片具有根據輸入電壓自動選擇工作模式的功能。 - It drives up to six white leds in series with a constant current to provide display backlighting for two ( main and sub - ) displays in cell phones and other hand - held devices with the input voltage ranging from 2 . 6v to 5 . 5v , and the maximum output current is 22ma
該電路輸入電壓為2 . 6v 5 . 5v ,最大輸出電流為22ma ,采用串聯方式驅動主、次兩組白光led ,驅動數目多達6個,可得到均勻的亮度。 - It's difficult to find input voltage range in a sentence. 用input voltage range造句挺難的
- This converter can generate high precise output regulation with wide input voltage range of 2 . 0v to 5 . 5v . the input voltage may vary above and below the output voltage and the output will remain in regulation with low output voltage ripple
它采用0 . 5微米標準cmos工藝制成,輸入電壓范圍為2 . 0v ~ 5 . 5v ,且輸入電壓高于或低于輸出電壓時,輸出電壓都可保持穩(wěn)定的低紋波輸出,并能自動工作于升壓或降壓模式。 - The features of this circuit are designed as : the input voltage ranged from 2 . 5v to 7v , and the working frequency is fixed at 1 . 0mhz , pwm maximum duty cycle is 87 % . this ic chip can be used to drive white led displays in cellphone , digital camera , mp3 player , pda and other portable digital devices
該電路的輸入電壓范圍是2 . 5v ~ 7v ,工作頻率1 . 0mhz ,輸出信號工作的最大占空比為87 % .此芯片可以用于驅動手機, pda ,數碼相機, mp3等數碼產品的led 。 - The whole system simulation by hspice indicates that the circuit will operate well when the input voltage ranges from 2 . 7 to 5 . 5v and the efficiency can up to 80 % . the system will response quickly in one or two cycles and remain stable output voltage when a step disturbance is applied on input voltage
使用hspice仿真表明,在輸入電壓2 . 7v 5 . 5v的范圍內,能夠正常工作,效率達81 % ,當輸入電壓突變時,電路能夠在一到兩個時鐘周期內響應,穩(wěn)定的給出輸出電壓。 - Its operation frequency is 1 . 38mhz , with an integration of a power mosfet whose breakdown voltage is up to 50v . the allowable input voltage ranges from 2 . 7v to 5 . 5v and its output voltage can be programmed between - 2v and - 15v , additionally , the output current is in a 200ma range in typical application . to avoid the poor efficiency of the pwm control scheme at light load , a skip - cycle - mode operation is introduced that allows system ’ s efficient operation at the light load
該電路工作頻率為1 . 38mhz ,內部集成耐壓50v的功率mosfet ,輸入電壓范圍2 . 7v 5 . 5v ,輸出電壓可在- 2v - 15v間連續(xù)可調,典型工作條件下輸出電流在200ma之內;同時,在輕負載下提供跳周期模式,具有很高的待機效率。 - 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
該芯片主要應用于便攜式電子產品,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(jié)led亮度及控制芯片關斷與否,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 zero - voltage - switching ( zvs ) pwm hybrid full - bridge three - level ( h - fb tl ) converter can operate in both three - level mode and two - level mode , the output rectified voltage is close to the output voltage over the entire input voltage range , thus the output filter can be reduced significantly , leading to high power density and fast dynamic response . so the zvs pwm h - fb tl converter is very attractive for the applications such as fuel cells , photovoltaic cells , and telecom power supplies , where the voltage varies in a wide range
零電壓開關復合式全橋三電平( zero - voltage - switchingpwmhybridfull - bridgethree - level , zvspwmh - fbtl )變換器可以工作在三電平模式和兩電平模式,在很寬的輸入電壓范圍內,輸出整流電壓都接近輸出電壓,從而可以減小輸出濾波器,因此可以提高變換器的功率密度和改善動態(tài)性能。 - A white led driver circuit is presented in this paper . the circuit drives up to four white leds with regulated constant current for uniform intensity . by utilizing proprietary adaptive 1x / 1 . 5x modes and ultra - low - dropout current regulators , it maintains the highest possible efficiency over the full 1 - cell li + battery input voltage range
整體電路以恒定電流驅動4只白光led ,利用1倍/ 1 . 5倍分數型電荷泵和低壓差電流調節(jié)器,在整個鋰電池供電電壓范圍內保持最高的效率,并使四個白光led獲得均勻的亮度。 - The experiment result shows that the current control system based on analog component has many strong points , such as simple structure , short stability time , high current stability , good temperature performance , and wide input voltage range etc . long - term instability of single - arm current is less than 1 10 - 3 , and subtraction instability of two - arm current is less than 2 . 2 10 - 5 , which satisfies the request of high precision current control power supply for north - finder based on rlg
實驗結果表明,由模擬器件構成的穩(wěn)流系統(tǒng)具有結構簡單、瞬間即可穩(wěn)住電流、電流穩(wěn)定度高、溫度性能好、輸入電壓范圍寬等特點,單臂電流長期穩(wěn)定度優(yōu)于1 10 - 3 ,兩臂電流差值穩(wěn)定度達到2 . 2 10 - 5 ,基本滿足了激光陀螺尋北儀中穩(wěn)流電源的要求。 - This regulator can generate output voltage as high as 12v with wide input voltage range of 2 . 6v to 5 . 5v . it has the advantages of high - precision , simple circuit , low power consumption , wide temperature range of - 25 to 85 and 90 % high convert efficiency . at the same time , the ic has two switching frequencies ( 640khz or 1 . 2mhz selectable ) , under - voltage protection and programmable soft - start
該芯片采用0 . 6微米bcd工藝制程,在2 . 6v 5 . 5v的輸入電壓范圍內可實現高達12v的升壓功能,工作溫度范圍為- 25 85 ,轉換效率達到90 % ,具有實現電路簡單、輸出電壓精度高、功耗低等優(yōu)點。