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          首頁>LR645>規(guī)格書詳情

          LR645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

          LR645

          參數(shù)屬性

          LR645 封裝/外殼為8-SOIC(0.154",3.90mm 寬);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 POS ADJ 3MA 8SOIC

          功能描述

          High Input Voltage SMPS Start-up / Linear Regulator

          封裝外殼

          8-SOIC(0.154",3.90mm 寬)

          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

          2026-1-19 14:10:00

          人工找貨

          LR645價格和庫存,歡迎聯(lián)系客服免費人工找貨

          LR645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:

            LR645LG-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:

            可調(diào)式

          • 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:

            8-SOIC(0.154",3.90mm 寬)

          • 供應(yīng)商器件封裝:

            8-SOIC

          • 描述:

            IC REG LINEAR POS ADJ 3MA 8SOIC

          供應(yīng)商 型號 品牌 批號 封裝 庫存 備注 價格
          MICROCHIP/美國微芯
          24+
          TO-92(TO-92-3)
          30000
          原裝正品公司現(xiàn)貨,假一賠十!
          詢價
          MICROCHIP
          23+
          SOT89
          26000
          公司原現(xiàn)貨假一罰十特價支持
          詢價
          SUPERTEX
          18+
          SOT-89
          671
          一級代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力
          詢價
          MICROCHIP/美國微芯
          25
          TO-92(TO-92-3)
          6000
          原裝正品
          詢價
          MICROCHIP/美國微芯
          21+
          TO-92(TO-92-3)
          10000
          只做原裝,質(zhì)量保證
          詢價
          Microchip
          23+
          2017-MI
          21500
          受權(quán)代理!全新原裝現(xiàn)貨特價熱賣!
          詢價
          24+
          5000
          公司存貨
          詢價
          LR645N8
          25+
          447
          447
          詢價
          SUPERTEX
          23+
          SOT-89
          7566
          原廠原裝
          詢價
          Microchip
          22+
          8SOIC
          9000
          原廠渠道,現(xiàn)貨配單
          詢價
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