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A unique input circuit allows the HV9120 to self-start directly from a high voltage input, and subsequently take the power to operate from one of the outputs of the converter it is controlling, allowing very efficient operation while maintaining input-to-output galvanic isolation limited in voltage only by the insulation system of the associated magnetic assembly. A ±2% internal bandgap reference, internal operational amplifier, very high speed comparator, and output buffer allow production of rugged, high performance, high efficiency power supplies of 50W or more, which can still be over 80% efficient at outputs of 1.0W or less. The wide dynamic range of the controller system allows designs with extremely wide line and load variations with much less difficulty and much higher efficiency than usual. The exceptionally wide input voltage range also allows better usage of energy stored in input dropout capacitors than with other PWM ICs. Remote on/off controls allow either latching or nonlatching remote shutdown. During shutdown, the power required is under 6.0mW.For detailed circuit and application information, please refer to application notes AN-H13, AN-H21 to AN-H24.
10 to 450V input voltage range
>1.0MHz clock
>20:1 dynamic range @ 500KHz
49% Maximum duty cycle version
Low internal noise
HV9120 封裝圖
HV9120 封裝圖
HV9120 封裝圖
HV9120 封裝圖
| 型號 | 制造商 | 描述 | 購買 |
|---|---|---|---|
| HV9120NG-G-M901 | EDAC | 345 SERIES (.100" (2.54MM) CONTA | 立即購買 |
| HV9120P-G | - | - | 立即購買 |
| HV9120NG-G | - | - | 立即購買 |
RY9120 17V 2A 500KHz ECOT同步降壓調(diào)節(jié)器 特性： 寬4.5V至17V工作輸入范圍 ?2A連續(xù)輸出電流 ?500KHz開關(guān)頻率 ?ECOT模式控制與快速瞬變 響應(yīng) ?內(nèi)置超過電流限制 內(nèi)置過電壓保護 ?輕負荷高效的PFM模式 ?內(nèi)部軟啟動 ?110mΩ/70mΩ低RDS(O...
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SI9120內(nèi)部框圖 SI9120采用電流型
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2018年5月22日，致力于亞太地區(qū)市場的領(lǐng)先半導體元器件分銷商---大聯(lián)大控股宣布，其旗下品佳力推基于Nuvoton（新唐科技）的ISD? 91200的電子智能鎖解決方案。
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