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UC3845AN集成電路(IC)的PMIC-穩(wěn)壓器-DCDC開(kāi)關(guān)式控制器規(guī)格書(shū)PDF中文資料

UC3845AN
廠商型號(hào)

UC3845AN

參數(shù)屬性

UC3845AN 封裝/外殼為8-DIP(0.300",7.62mm);包裝為卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶;類(lèi)別為集成電路(IC)的PMIC-穩(wěn)壓器-DCDC開(kāi)關(guān)式控制器;產(chǎn)品描述:IC REG CTRLR MULT TOPOLOGY 8DIP

功能描述

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

封裝外殼

8-DIP(0.300",7.62mm)

文件大小

167.48 Kbytes

頁(yè)面數(shù)量

16 頁(yè)

生產(chǎn)廠商 STMicroelectronics
企業(yè)簡(jiǎn)稱(chēng)

STMICROELECTRONICS意法半導(dǎo)體

中文名稱(chēng)

意法半導(dǎo)體集團(tuán)官網(wǎng)

原廠標(biāo)識(shí)
數(shù)據(jù)手冊(cè)

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更新時(shí)間

2025-1-22 8:40:00

UC3845AN規(guī)格書(shū)詳情

DESCRIPTION

The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lockout featuring start-up current less than 0.5mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-Channel MOSFETs, is low in the off-state.

Differences between members of this family are the under-voltage lockout thresholds and maximum duty cycle ranges. The UC3842A and UC3844A have UVLO thresholds of 16V (on) and 10V (off), ideally suited off-line applications The corresponding thresholds for the UC3843A and UC3845A are 8.5 V and 7.9V. The UC3842A and UC3843A can operate to duty cycles approaching 100. A range of the zero to

FEATURES

■ TRIMMED OSCILLATOR DISCHARGE CURRENT

■ CURRENT MODE OPERATION TO 500kHz 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 START-UP CURRENT (

產(chǎn)品屬性

  • 產(chǎn)品編號(hào):

    UC3845AN

  • 制造商:

    Texas Instruments

  • 類(lèi)別:

    集成電路(IC) > PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)式控制器

  • 包裝:

    卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶

  • 輸出類(lèi)型:

    晶體管驅(qū)動(dòng)器

  • 功能:

    升壓,降壓,升壓/降壓

  • 輸出配置:

    正,可提供隔離

  • 拓?fù)洌?/span>

    升壓,降壓,反激,正激

  • 輸出階段:

    1

  • 電壓 - 供電 (Vcc/Vdd):

    7.6V ~ 30V

  • 頻率 - 開(kāi)關(guān):

    最高 500kHz

  • 占空比(最大):

    48%

  • 同步整流器:

    無(wú)

  • 時(shí)鐘同步:

    無(wú)

  • 控制特性:

    頻率控制

  • 工作溫度:

    0°C ~ 70°C(TA)

  • 安裝類(lèi)型:

    通孔

  • 封裝/外殼:

    8-DIP(0.300",7.62mm)

  • 供應(yīng)商器件封裝:

    8-PDIP

  • 描述:

    IC REG CTRLR MULT TOPOLOGY 8DIP

供應(yīng)商 型號(hào) 品牌 批號(hào) 封裝 庫(kù)存 備注 價(jià)格
TI
24+
DIP8
8300
絕對(duì)原裝現(xiàn)貨,價(jià)格低,歡迎詢購(gòu)!
詢價(jià)
TI(德州儀器)
2021+
DIP-8
719
詢價(jià)
Texas Instruments
2021+
SOIC
57500
科研單位合格供應(yīng)商!現(xiàn)貨庫(kù)存
詢價(jià)
TI/德州儀器
23+
DIP-8
12700
買(mǎi)原裝認(rèn)準(zhǔn)中賽美
詢價(jià)
TI/德州儀器
2023+
DIP-8
6000
原裝正品現(xiàn)貨、支持第三方檢驗(yàn)、終端BOM表可配單提供
詢價(jià)
TI
23+
原廠原裝
5000
全新原裝,支持實(shí)單,非誠(chéng)勿擾
詢價(jià)
TI/德州儀器
DIP8
23+
10304
專(zhuān)營(yíng)廠家量大可定貨
詢價(jià)
ST
02+
DIP8
40
剛到現(xiàn)貨加微13425146986
詢價(jià)
TI
24+
DIP-8
16800
絕對(duì)原裝進(jìn)口現(xiàn)貨,假一賠十,價(jià)格優(yōu)勢(shì)!?
詢價(jià)
Texas Instruments
24+
PDIP-8
12000
原裝正品現(xiàn)貨詢價(jià)有驚喜
詢價(jià)