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UC3943數(shù)據(jù)手冊集成電路(IC)的電壓基準規(guī)格書PDF

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廠商型號

UC3943

參數(shù)屬性

UC3943 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)的電壓基準;產品描述:IC VREF SHUNT ADJ 0.39% 8SOIC

功能描述

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

封裝外殼

8-SOIC(0.154",3.90mm 寬)

制造商

UTC Unisonic Technologies

中文名稱

友順 友順科技股份有限公司

數(shù)據(jù)手冊

下載地址下載地址二

更新時間

2025-8-21 22:58:00

人工找貨

UC3943價格和庫存,歡迎聯(lián)系客服免費人工找貨

UC3943規(guī)格書詳情

描述 Description

The UTC UC3943 is specifically designed for off-line anddc-to-dc converter applications offering the designer acost-effective solution with minimal external components.The UTC UC3943 has UVLO thresholds 8.4V (on) and7.6V(off), ideally suited for off-line converters.

特性 Features

With burstmode for lower standby power With greenmode for higher light load efficiency Oscillator frequency guaranteed at 250kHz 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

技術參數(shù)

  • 制造商編號

    :UC3943

  • 生產廠家

    :UTC

  • Vcc(MAX)(V)

    :30

  • Vcc(ON)(TYP)(V)

    :8.4

  • Vcc(OFF)(TYP)(V)

    :7.6

  • Freq.(TYP)(KHz)

    :-

  • Freq.(MXA)(KHz)

    :250

  • Duty Cycle%

    :96

  • Start-up current(mA)

    :0.25

  • Operatingcurrent(mA)

    :12

  • BVDSS (MIN)(V)

    :-

  • RDS(on)(MAX)(Ω)

    :-

  • Package

    :SOP-8

供應商 型號 品牌 批號 封裝 庫存 備注 價格
TI
2016+
SOP8
2933
只做原裝,假一罰十,公司可開17%增值稅發(fā)票!
詢價
UC/TI
22+
SOP-8
100000
代理渠道/只做原裝/可含稅
詢價
TI
24+
SOP8
20000
全新原廠原裝,進口正品現(xiàn)貨,正規(guī)渠道可含稅?。?/div>
詢價
UC
23+
SOP
7000
絕對全新原裝!100%保質量特價!請放心訂購!
詢價
TI/德州儀器
23+
SOIC8
9990
正規(guī)渠道,只有原裝!
詢價
UC
25+
SOP8
4500
全新原裝、誠信經營、公司現(xiàn)貨銷售!
詢價
Unitro
25+
25000
原廠原包 深圳現(xiàn)貨 主打品牌 假一賠百 可開票!
詢價
UC
95+
SOP
5
全新原裝 絕對有貨
詢價
TI
22+
NA
500000
萬三科技,秉承原裝,購芯無憂
詢價
TI
20+
8-DIP
65790
原裝優(yōu)勢主營型號-可開原型號增稅票
詢價