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UC3845B集成電路(IC)的ACDC轉(zhuǎn)換器離線開關(guān)規(guī)格書PDF中文資料

UC3845B
廠商型號

UC3845B

參數(shù)屬性

UC3845B 封裝/外殼為8-SOIC(0.154",3.90mm 寬);包裝為卷帶(TR);類別為集成電路(IC)的ACDC轉(zhuǎn)換器離線開關(guān);產(chǎn)品描述:SOP-8 AC-DC CONTROLLERS \u0026 REGULA

功能描述

High Performance Current Mode Controllers

封裝外殼

8-SOIC(0.154",3.90mm 寬)

文件大小

399.29 Kbytes

頁面數(shù)量

19

生產(chǎn)廠商 ON Semiconductor
企業(yè)簡稱

ONSEMI安森美半導(dǎo)體

中文名稱

安森美半導(dǎo)體公司官網(wǎng)

原廠標(biāo)識
數(shù)據(jù)手冊

下載地址一下載地址二到原廠下載

更新時(shí)間

2025-8-3 20:00:00

人工找貨

UC3845B價(jià)格和庫存,歡迎聯(lián)系客服免費(fèi)人工找貨

UC3845B規(guī)格書詳情

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off?Line and dc?dc converter applications offering the designer a cost?effective solution with minimal external components. These integrated circuits feature an oscillator, a temperaturecompensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.

特性 Features

? Trimmed Oscillator for Precise Frequency Control

? Oscillator Frequency Guaranteed at 250 kHz

? Current Mode Operation to 500 kHz Output Switching Frequency

? Output Deadtime Adjustable from 50 to 70

? Automatic Feed Forward Compensation

? Latching PWM for Cycle?By?Cycle Current Limiting

? Internally Trimmed Reference with Undervoltage Lockout

? High Current Totem Pole Output

? Undervoltage Lockout with Hysteresis

? Low Startup and Operating Current

? These Devices are Pb?Free and are RoHS Compliant

? NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC?Q100 Qualified and PPAP Capable

產(chǎn)品屬性

  • 產(chǎn)品編號:

    UC3845B

  • 制造商:

    UTD Semiconductor

  • 類別:

    集成電路(IC) > AC DC 轉(zhuǎn)換器,離線開關(guān)

  • 包裝:

    卷帶(TR)

  • 輸出隔離:

    非隔離

  • 內(nèi)部開關(guān):

  • 拓?fù)洌?/span>

    反激,升壓

  • 電壓 - 供電 (Vcc/Vdd):

    7.6V ~ 30V

  • 占空比:

    48%

  • 頻率 - 開關(guān):

    50kHz,52kHz

  • 故障保護(hù):

    限流,UVLO

  • 控制特性:

    頻率控制,軟啟動

  • 工作溫度:

    0°C ~ 70°C(TA)

  • 封裝/外殼:

    8-SOIC(0.154",3.90mm 寬)

  • 供應(yīng)商器件封裝:

    8-SOP

  • 安裝類型:

    表面貼裝型

  • 描述:

    SOP-8 AC-DC CONTROLLERS \u0026 REGULA

供應(yīng)商 型號 品牌 批號 封裝 庫存 備注 價(jià)格
ON/安森美
22+
SOIC-8
100000
代理渠道/只做原裝/可含稅
詢價(jià)
ST/意法
25+
DIP-8
54648
百分百原裝現(xiàn)貨 實(shí)單必成
詢價(jià)
ON
24+
SOP-8
20000
全新原廠原裝,進(jìn)口正品現(xiàn)貨,正規(guī)渠道可含稅??!
詢價(jià)
ON
2016+
SOP14
8022
只做原裝,假一罰十,公司可開17%增值稅發(fā)票!
詢價(jià)
ST/意法
25+
SOP-8
880000
明嘉萊只做原裝正品現(xiàn)貨
詢價(jià)
ST(意法)
24+
N/A
8548
原廠可訂貨,技術(shù)支持,直接渠道。可簽保供合同
詢價(jià)
ST
1942+
DIP-8
9852
只做原裝正品現(xiàn)貨或訂貨!假一賠十!
詢價(jià)
ST
25+23+
SMD8
36870
絕對原裝正品全新進(jìn)口深圳現(xiàn)貨
詢價(jià)
PROMAX
25+
DIP
4500
全新原裝、誠信經(jīng)營、公司現(xiàn)貨銷售!
詢價(jià)
ST
22+
DIP-8
33292
原裝正品現(xiàn)貨
詢價(jià)