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UC2845AN集成電路(IC)的PMIC-穩(wěn)壓器-DCDC開關(guān)式控制器規(guī)格書PDF中文資料

UC2845AN
廠商型號

UC2845AN

參數(shù)屬性

UC2845AN 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;類別為集成電路(IC)的PMIC-穩(wěn)壓器-DCDC開關(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

頁面數(shù)量

16

生產(chǎn)廠商 STMicroelectronics
企業(yè)簡稱

STMICROELECTRONICS意法半導(dǎo)體

中文名稱

意法半導(dǎo)體集團(tuán)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

2025-3-20 15:04:00

人工找貨

UC2845AN價(jià)格和庫存,歡迎聯(lián)系客服免費(fèi)人工找貨

UC2845AN規(guī)格書詳情

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:

    UC2845AN

  • 制造商:

    Texas Instruments

  • 類別:

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

  • 包裝:

    卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶

  • 輸出類型:

    晶體管驅(qū)動器

  • 功能:

    升壓,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 - 開關(guān):

    最高 500kHz

  • 占空比(最大):

    48%

  • 同步整流器:

  • 時(shí)鐘同步:

  • 控制特性:

    頻率控制

  • 工作溫度:

    -40°C ~ 85°C(TA)

  • 安裝類型:

    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 品牌 批號 封裝 庫存 備注 價(jià)格
TI/德州儀器
2023+
DIP
53200
正品,原裝現(xiàn)貨
詢價(jià)
UC
23+
DIP8
8560
受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣!
詢價(jià)
TI/德州儀器
23+
PDIP8
25860
原裝正品
詢價(jià)
Texas Instruments
2022+
原廠原包裝
6800
全新原裝 支持表配單 中國著名電子元器件獨(dú)立分銷
詢價(jià)
TI
24+
DIP-8
35200
一級代理/放心采購
詢價(jià)
TI(德州儀器)
2447
PDIP-8
105000
50個(gè)/管一級代理專營品牌!原裝正品,優(yōu)勢現(xiàn)貨,長期
詢價(jià)
意法半導(dǎo)體
22+
NA
500000
萬三科技,秉承原裝,購芯無憂
詢價(jià)
TI
16+
PDIP
10000
原裝正品
詢價(jià)
TI
23+
DIP
30000
代理全新原裝現(xiàn)貨,價(jià)格優(yōu)勢
詢價(jià)
TexasInstruments
18+
ICCUR-MODEPWMCONT8-DIP
6580
公司原裝現(xiàn)貨/歡迎來電咨詢!
詢價(jià)