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UC3843B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

UC3843B
廠商型號

UC3843B

參數(shù)屬性

UC3843B 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

295.05 Kbytes

頁面數(shù)量

20

生產(chǎn)廠商 ON Semiconductor
企業(yè)簡稱

ONSEMI安森美半導體

中文名稱

安森美半導體公司官網(wǎng)

原廠標識
數(shù)據(jù)手冊

下載地址一下載地址二到原廠下載

更新時間

2025-7-28 16:28:00

人工找貨

UC3843B價格和庫存,歡迎聯(lián)系客服免費人工找貨

UC3843B規(guī)格書詳情

High Performance Current Mode Controllers

The UC3842B, UC3843B 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 a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.

Features

? Trimmed Oscillator for Precise Frequency Control

? Oscillator Frequency Guaranteed at 250 kHz

? Current Mode Operation to 500 kHz

? 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

? This is a Pb?Free and Halide?Free Device

產(chǎn)品屬性

  • 產(chǎn)品編號:

    UC3843B

  • 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):

  • 拓撲:

    反激,升壓

  • 電壓 - 供電 (Vcc/Vdd):

    7.6V ~ 30V

  • 占空比:

    97%

  • 頻率 - 開關(guān):

    50kHz,52kHz

  • 故障保護:

    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

供應商 型號 品牌 批號 封裝 庫存 備注 價格
ON/ST
24+
SOP8DIP8
30000
公司新到進口原裝現(xiàn)貨假一賠十
詢價
ON
2023+
SOP-8
50000
原裝現(xiàn)貨
詢價
ST
12+
SOP-8
2500
原裝現(xiàn)貨/特價
詢價
ON
2018+
SOP
26976
代理原裝現(xiàn)貨/特價熱賣!
詢價
UMW 友臺
23+
SOP-8
40000
原裝正品,實單請聯(lián)系
詢價
ONSEMI
00/01+
SOP
561
全新原裝100真實現(xiàn)貨供應
詢價
ON/安森美
2020+
DIP-8
3300
全新原裝現(xiàn)貨,一片也是批量價。
詢價
ST
23+
SOP-8
20000
詢價
ST
22+
DIP-8
35416
原裝正品現(xiàn)貨
詢價
ON
23+
SO-8
19526
詢價