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LT1242IS8集成電路(IC)的ACDC轉(zhuǎn)換器離線開(kāi)關(guān)規(guī)格書(shū)PDF中文資料

LT1242IS8
廠商型號(hào)

LT1242IS8

參數(shù)屬性

LT1242IS8 封裝/外殼為8-SOIC(0.154",3.90mm 寬);包裝為卷帶(TR);類(lèi)別為集成電路(IC)的ACDC轉(zhuǎn)換器離線開(kāi)關(guān);產(chǎn)品描述:IC OFFLINE SWITCH BUCK 8SOIC

功能描述

High Speed Current Mode Pulse Width Modulators

文件大小

277.48 Kbytes

頁(yè)面數(shù)量

16 頁(yè)

生產(chǎn)廠商 Linear Integrated Systems
企業(yè)簡(jiǎn)稱(chēng)

LINEAR

中文名稱(chēng)

Linear Integrated Systems官網(wǎng)

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更新時(shí)間

2024-12-29 20:00:00

LT1242IS8規(guī)格書(shū)詳情

DESCRIPTION

The LT?1241 series devices are 8-pin, fixed frequency, current mode, pulse width modulators. They are improved plug compatible versions of the industry standard UC1842 series. These devices have both improved speed and lower quiescent current. The LT1241 series is optimized for off-line and DC/DC converter applications. They contain a temperature-compensated reference, high gain error amplifier, current sensing comparator and a high current totem pole output stage ideally suited to driving power MOSFETs. Start-up current has been reduced to less than 250μA.

FEATURES

■ Low Start-Up Current: < 250μA

■ 50ns Current Sense Delay

■ Current Mode Operation: To 500kHz

■ Pin Compatible with UC1842 Series

■ Undervoltage Lockout with Hysteresis

■ No Cross-Conduction Current

■ Trimmed Bandgap Reference

■ 1A Totem Pole Output

■ Trimmed Oscillator Frequency and Sink Current

■ Active Pull-Down on Reference and Output During Undervoltage Lockout

■ High Level Output Clamp: 18V

■ Current Sense Leading Edge Blanking

APPLICATIONS

■ Off-Line Converters

■ DC/DC Converters

產(chǎn)品屬性

  • 產(chǎn)品編號(hào):

    LT1242IS8#TRPBF

  • 制造商:

    Analog Devices Inc.

  • 類(lèi)別:

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

  • 包裝:

    卷帶(TR)

  • 輸出隔離:

    隔離

  • 內(nèi)部開(kāi)關(guān):

    無(wú)

  • 拓?fù)洌?/span>

    降壓

  • 電壓 - 供電 (Vcc/Vdd):

    10V ~ 25V

  • 占空比:

    96%

  • 頻率 - 開(kāi)關(guān):

    最高 500kHz

  • 控制特性:

    頻率控制

  • 工作溫度:

    -40°C ~ 100°C(TJ)

  • 封裝/外殼:

    8-SOIC(0.154",3.90mm 寬)

  • 供應(yīng)商器件封裝:

    8-SO

  • 安裝類(lèi)型:

    表面貼裝型

  • 描述:

    IC OFFLINE SWITCH BUCK 8SOIC

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