LM78S40N/NOPB by Texas Instruments | APACDC to DC Converter | Avnet ASIA
Close
Close
Close
TOOL TIP
print打印 image 書籤 分享
發送一個鏈接到這個頁面
請輸入有效的電子郵件地址
鏈接
Sender
發至
jsmith@baa.com
sjohnson@baa.com
添加另外一個地址
添加另外一個地址
添加另外一個地址
主題
信息

LM78S40N/NOPB

Texas Instruments

Conv DC-DC Single Step Down 2.5V to 40V 16-Pin PDIP Rail

製造商產品編號: LM78S40N/NOPB

替代料號: LM78S40N/NOPB


legend 通過RoHS認證

描述

文檔

替代/替換

資料

The LM78S40 is a monolithic regulator subsystem consisting of all the active building blocks necessary for switching regulator systems. The device consists of a temperature compensated voltage reference, a duty-cycle controllable oscillator with an active current limit circuit, an error amplifier, high current, high voltage output switch, a power diode and an uncommitted operational amplifier. The device can drive external NPN or PNP transistors when currents in excess of 1.5A or voltages in excess of 40V are required. The device can be used for step-down, step-up or inverting switching regulators as well as for series pass regulators. It features wide supply voltage range, low standby power dissipation, high efficiency and low drift. It is useful for any stand-alone, low part count switching system and works extremely well in battery operated systems.

 

技術參數

  • Step-up, step-down or inverting switching regulators
  • Output adjustable from 1.25V to 40V
  • Peak currents to 1.5A without external transistors
  • Operation from 2.5V to 40V input
  • Low standby current drain
  • 80 dB line and load regulation
  • High gain, high current, independent op amp
  • Pulse width modulation with no double pulsing
  • 技術屬性

    描述
    尋找類似物料
    Supplier Package
    PDIP
    Switching Regulator
    Yes
    Max Processing Temp
    260|265
    Output Voltage
    1.25 to 40 V
    Minimum Input Voltage
    2.5 V
    Maximum Input Voltage
    40 V
    Operating Temperature
    -40 to 125 °C
    Pin Count
    16
    Maximum Output Current
    1.5 A
    Output Type
    Adjustable
    Type
    Step Down
    Load Regulation
    0.5 mV/mA
    Line Regulation
    0.2 mV/V
    Switching Frequency
    0.1 to 100 kHz
    Lead Finish
    Matte Tin
    Product Dimensions
    19.05 x 6.35 x 3.3 mm
    Mounting
    Through Hole
    Number of Outputs
    1
    MSL Level
    1

    ECCN/UNSPSC

    描述
    ECCN:
    EAR99
    計劃交貨期 B:
    8542390000"
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

    文件

    類別
    文件標題
    下載
    Subs/Alternatives
    相關料號
    製品
    價錢
    供貨情況
    數量
    {{#catalogEntryView}}
    {{{shortDescription}}}
    {{#compareCheck}} {{/compareCheck}} {{^compareCheck}} {{/compareCheck}} {{#compareCountCheck}} 添加以便比較 (比較產品) {{/compareCountCheck}} {{^compareCountCheck}} 比較 {{/compareCountCheck}}
    {{#displayTier}}
    {{#tierPrice}} {{#tierWithinRange}} {{#firstTier}}
    {{tierQuantity}}+
    {{{formattedItemPrice}}}
    {{/firstTier}} {{^firstTier}}
    {{tierQuantity}}+
    {{{formattedItemPrice}}}
    {{/firstTier}} {{/tierWithinRange}} {{/tierPrice}}
    {{/displayTier}}
    {{#displayTier}}
    {{#tierPrice}} {{#showAllTier}} {{#firstTier}}
    {{tierQuantity}}+
    {{{formattedItemPrice}}}
    {{/firstTier}} {{^firstTier}}
    {{tierQuantity}}+
    {{{formattedItemPrice}}}
    {{/firstTier}} {{/showAllTier}} {{/tierPrice}}
    {{/displayTier}}
    {{#collapsedPriceTier}}
    更大價格分段
    {{/collapsedPriceTier}} {{#quoteItem}}
    {{#newProductFlagNotNPI}}

    需要報價

    請申請報價。  

    {{/newProductFlagNotNPI}}
    {{/quoteItem}} {{#iQuoteItem}} {{#newProductFlagNotNPI}}

    需要報價

    請申請報價。  

    {{/newProductFlagNotNPI}} {{/iQuoteItem}} {{#webQuoteItem}}

    需要報價

    請申請報價。  

    {{/webQuoteItem}} {{#productQuoteItem}} {{#notCpi_notNpi}} {{^hidePrice}}
    {{/hidePrice}} {{#hidePrice}}
    請申請報價。  

    {{/hidePrice}} {{/notCpi_notNpi}} {{/productQuoteItem}}
    {{#onlyShowMoreStock}}
    {{/onlyShowMoreStock}} {{^onlyShowMoreStock}}
    {{/onlyShowMoreStock}} {{^redTag}} {{#downloadableSoftware}}

    有可下載現貨

    {{/downloadableSoftware}} {{^.downloadableSoftware}} {{#stockReady}}

    現貨: {{displayQty}}

    {{/stockReady}} {{/.downloadableSoftware}} {{/redTag}} {{#factoryStockAvailable}}

    Ship From MFR: {{factoryStockDisplay}}

    {{/factoryStockAvailable}} {{#validLeadTime}} {{^obsolete}} {{#displayLeadTime}}

    前置時間 {{displayLeadTime}}

    {{/displayLeadTime}} {{/obsolete}} {{/validLeadTime}} {{#canBuildInv}}

    Can Build {{canBuildInv}} {{#displayCanBuildLeadTime}} in {{displayCanBuildLeadTime}} {{/displayCanBuildLeadTime}}

    {{/canBuildInv}} {{#showMoreStockLink}}

    檢查額外庫存和前置時間

    {{/showMoreStockLink}}
    {{#isAddCartAllowed}} {{/isAddCartAllowed}}
    {{^hideMinMult}} 最少: {{xcatField1}} 倍數: {{multQuantity}} {{/hideMinMult}}
    {{/catalogEntryView}}
    {{#showMore}} {{/showMore}}

    Chinese New Year Promotion