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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

LR645N8
廠商型號(hào)

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(yè)面數(shù)量

4 頁(yè)

生產(chǎn)廠商

SUTEX

網(wǎng)址

網(wǎng)址

數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

更新時(shí)間

2025-8-13 23:01:00

人工找貨

LR645N8價(jià)格和庫(kù)存,歡迎聯(lián)系客服免費(fèi)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(hào):

    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(hào) 品牌 批號(hào) 封裝 庫(kù)存 備注 價(jià)格
SUPERTEX
24+
NA/
671
優(yōu)勢(shì)代理渠道,原裝正品,可全系列訂貨開增值稅票
詢價(jià)
MICROCHIP(美國(guó)微芯)
24+
SOT89
7350
現(xiàn)貨供應(yīng),當(dāng)天可交貨!免費(fèi)送樣,原廠技術(shù)支持!!!
詢價(jià)
Microchip
24+
TO226-3
10000
全新原廠原裝,進(jìn)口正品現(xiàn)貨,正規(guī)渠道可含稅??!
詢價(jià)
SUPERTEX
22+
SOT89
100000
代理渠道/只做原裝/可含稅
詢價(jià)
SUPERTEX
18+
SOT-89
671
一級(jí)代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力
詢價(jià)
Supertex
20+
SOT-89-3
65790
原裝優(yōu)勢(shì)主營(yíng)型號(hào)-可開原型號(hào)增稅票
詢價(jià)
MICROCHIP/微芯
25+
TO-243AA
880000
明嘉萊只做原裝正品現(xiàn)貨
詢價(jià)
Microchip
23+
2017-MI
21500
受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣!
詢價(jià)
MICROCHIP/微芯
23+
TO226-3
35200
只做原裝主打品牌QQ詢價(jià)有詢必回
詢價(jià)
SUTEX
24+
SOT89
2987
只售原裝自家現(xiàn)貨!誠(chéng)信經(jīng)營(yíng)!歡迎來電!
詢價(jià)