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          首頁>LR645N8>規(guī)格書詳情

          LR645N8集成電路(IC)的線性+開關(guān)穩(wěn)壓器規(guī)格書PDF中文資料

          PDF無圖
          廠商型號

          LR645N8

          參數(shù)屬性

          LR645N8 封裝/外殼為TO-243AA;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)的線性+開關(guān)穩(wěn)壓器;產(chǎn)品描述:IC REG LINEAR 8V 3MA TO243AA

          功能描述

          High Input Voltage SMPS Start-up / Linear Regulator

          封裝外殼

          TO-243AA

          文件大小

          322.03 Kbytes

          頁面數(shù)量

          4

          生產(chǎn)廠商

          SUTEX

          網(wǎng)址

          網(wǎng)址

          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

          2026-1-18 22:04:00

          人工找貨

          LR645N8價格和庫存,歡迎聯(lián)系客服免費人工找貨

          LR645N8規(guī)格書詳情

          General Description

          The Supertex LR645 is a high input voltage, low output current linear regulator. It has a 3-terminal fi xed output voltage version available in TO-92, TO-220 and SOT-89 packages, as well as an adjustable voltage version available in an 8- lead SOIC package. The 3-terminal version functions like any other low voltage 3-terminal regulator except it allows the use of much higher input voltages. When used in a SMPS startup circuit, it eliminates the need for large power resistors. In this application, current is drawn from the high voltage line only during start-up. Only leakage current fl ows after start-up, thereby reducing the continuous power dissipation to a few milliwatts.

          特性 Features

          ? Accepts inputs from 15V to 450V

          ? Output currents up to 3.0mA continuous, 30mA peak

          ? Supply current typically 50μA

          ? Line regulation typically 0.1mV/V

          ? Output can be trimmed from 8.0V to 12V

          ? Output current can be increased to 150mA with external FET

          Applications

          ? Off-line SMPS startup circuits (pulse loads)

          ? Low power off-line regulators

          ? Regulators for noisy inputs

          產(chǎn)品屬性

          • 產(chǎn)品編號:

            LR645N8-G

          • 制造商:

            Microchip Technology

          • 類別:

            集成電路(IC) > 線性 + 開關(guān)穩(wěn)壓器

          • 包裝:

            卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶

          • 輸出配置:

          • 輸出類型:

            固定

          • 電壓 - 輸入(最大值):

            450V

          • 電壓 - 輸出(最小值/固定):

            8V

          • 電壓 - 輸出(最大值):

            12V

          • 電流 - 輸出:

            3mA

          • PSRR:

            60dB(120Hz)

          • 工作溫度:

            -55°C ~ 155°C

          • 安裝類型:

            表面貼裝型

          • 封裝/外殼:

            TO-243AA

          • 供應(yīng)商器件封裝:

            TO-243AA(SOT-89)

          • 描述:

            IC REG LINEAR 8V 3MA TO243AA

          供應(yīng)商 型號 品牌 批號 封裝 庫存 備注 價格
          SUPERTEX MICROCHIP
          2023+
          SOT89
          2722
          一級代理優(yōu)勢現(xiàn)貨,全新正品直營店
          詢價
          SUPERTEX
          22+
          SOT89
          100000
          代理渠道/只做原裝/可含稅
          詢價
          Microchip
          24+
          TO226-3
          10000
          全新原廠原裝,進口正品現(xiàn)貨,正規(guī)渠道可含稅??!
          詢價
          MICROCHIP/微芯
          25+
          TO-243AA
          880000
          明嘉萊只做原裝正品現(xiàn)貨
          詢價
          SUPERT
          25+23+
          SOT89
          41048
          絕對原裝正品全新進口深圳現(xiàn)貨
          詢價
          SUPERTEX(超科)
          24+
          6000
          全新原廠原裝正品現(xiàn)貨,低價出售,實單可談
          詢價
          LR645N8
          25+
          447
          447
          詢價
          MICROCHIP/微芯
          24+
          TO226-3
          7671
          原裝正品.優(yōu)勢專營
          詢價
          MICROCHIP
          23+
          SOT89
          1995
          正規(guī)渠道,只有原裝!
          詢價
          SUPERTEX
          23+
          SOT89
          15000
          原裝正品,假一罰十
          詢價
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