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LR645LG集成電路(IC)的線性+開關(guān)穩(wěn)壓器規(guī)格書PDF中文資料

LR645LG
廠商型號

LR645LG

參數(shù)屬性

LR645LG 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

2025-8-13 16:26:00

人工找貨

LR645LG價格和庫存,歡迎聯(lián)系客服免費人工找貨

LR645LG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)

  • 供應商器件封裝:

    8-SOIC

  • 描述:

    IC REG LINEAR POS ADJ 3MA 8SOIC

供應商 型號 品牌 批號 封裝 庫存 備注 價格
SUPERTEX
24+
SOP-8
42916
只做原裝進口現(xiàn)貨
詢價
SIPERTEX
21+
SOP8
1709
詢價
SIPERTEX
25+23+
SOP8
36468
絕對原裝正品全新進口深圳現(xiàn)貨
詢價
MICROCHIP/微芯
24+
SOIC
7671
原裝正品.優(yōu)勢專營
詢價
SIPERTEX
24+
SOP8
54000
鄭重承諾只做原裝進口現(xiàn)貨
詢價
MICROCHIP微芯
23+
SOP8
828
正規(guī)渠道,只有原裝!
詢價
SUPERTEX
24+
NA/
2099
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票
詢價
MICROCHIP(美國微芯)
24+
SOP8
7350
現(xiàn)貨供應,當天可交貨!免費送樣,原廠技術(shù)支持!!!
詢價
Microchip
22+
8SOIC
9000
原廠渠道,現(xiàn)貨配單
詢價
Microchip Technology
23+/24+
8-SOIC
8600
只供原裝進口公司現(xiàn)貨+可訂貨
詢價