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          首頁
                >UC3845>規(guī)格書列表
                
          
            
          
                
          
                    
          型號下載 訂購功能描述制造商 上傳企業(yè)LOGO
          
                    
          UC3845
          SMPS Controller
          
Description
The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a tempe
          文件：127.58 Kbytes 頁數(shù)：12 Pages
          FAIRCHILD
          仙童半導(dǎo)體
          

          UC3845
          UCx84x Current-Mode PWM Controllers
          
1 Features
? Optimized for off-line and DC-to-DC converters
? Low start-up current (
          文件：4.0844 Mbytes 頁數(shù)：63 Pages
          TI
          德州儀器
          

          UC3845
          HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
          
DESCRIPTION

The UTC UC3844/3845 are high performance fixed frequency current mode controllers that specifically designed for Off-Line and DC to DC converter applications with minimal external parts count. The differences between UC3844 and UC3845 are the maximum duty cycle ranges and under-volt
          文件：298.95 Kbytes 頁數(shù)：7 Pages
          UTC
          友順
          

          UC3845
          CURRENTMODE PWM CONTROLLER
          
DESCRIPTION
TheUC3842/3/4/5family of controlICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes witha minimal external parts count.
   
■ OPTIMIZED FOR OFF-LINE AND DC TO DC
    CONVERTERS
■ LOW START-UP CURRENT (
          文件：96.19 Kbytes 頁數(shù)：11 Pages
          STMICROELECTRONICS
          意法半導(dǎo)體
          

          UC3845
          Low Start-Up and Operating Current
          
Description
The 3842/43/44/45 are fixed frequency current mode PWM controller. They are specially designed for OFF?Line and DC to
DC converter applications with a minimal external components. Internally implemented circuits include a trimmed oscillator for precise
duty cycle control, a temperat
          文件：881.38 Kbytes 頁數(shù)：7 Pages
          UMW
          友臺半導(dǎo)體
          

          UC3845
          Low Start-Up and Operating Current
          
Description
The 3842/43/44/45 are fixed frequency current mode PWM controller. They are specially designed for OFF?Line and DC to
DC converter applications with a minimal external components. Internally implemented circuits include a trimmed oscillator for precise
duty cycle control, a temperat
          文件：874.34 Kbytes 頁數(shù)：7 Pages
          UMW
          友臺半導(dǎo)體
          

          UC3845
          SMPS Controller
          文件：133.07 Kbytes 頁數(shù)：12 Pages
          FAIRCHILD
          仙童半導(dǎo)體
          

          UC3845
          Current Mode PWM Controller
          文件：433.97 Kbytes 頁數(shù)：8 Pages
          TI
          德州儀器
          

          UC3845
          Current Mode PWM Controller
          文件：937.89 Kbytes 頁數(shù)：3 Pages
          TI
          德州儀器
          

          UC3845
          CURRENT MODE PWM CONTROLLER
          文件：720.15 Kbytes 頁數(shù)：24 Pages
          TI
          德州儀器
          

          
            
          
		
        
          
            
          
                
          技術(shù)參數(shù)
          
            
          
            
            
            	
          • Duty cycle (Max) (%)：
            50
          • Supply voltage (Max) (V)：
            28
          • UVLO thresholds on/off (V)：
            8.4/7.6
          • Features：
            Adjustable Switching Frequency
          • Operating temperature range (C)：
            0 to 70
          • Rating：
            Catalog
          • Frequency (Max) (kHz)：
            500
          • Gate drive (Typ) (A)：
            1
          
            
          
        
          
            
          供應(yīng)商型號品牌批號封裝庫存備注價格
          
                
          



          ON
          		

          24+
          		

          DIP8
          		

          12000
          		

          原廠原裝渠道剛到新貨假一罰十
          		
詢價
          

          



          ON(安森美)
          		

          24+
          		

          標準封裝
          		

          8548
          		

          全新原裝正品/價格優(yōu)惠/質(zhì)量保障
          		
詢價
          

          



          ST/意法
          		

          25+
          		

          DIP-8
          		

          32360
          		

          ST/意法全新特價UC3845即刻詢購立享優(yōu)惠#長期有貨
          		
詢價
          

          



          TI-ON
          		

          24+
          		

          SOP8-DIP8
          		

          19059
          		

          全新原裝正品!現(xiàn)貨庫存!可開13點增值稅發(fā)票
          		
詢價
          

          



          XINBOLE
          		

          24+
          		

          SOPDIP
          		

          2000
          		

          全新原裝深圳倉庫現(xiàn)貨有單必成
          		
詢價
          

          



          ST/意法
          		

          24+
          		

          DIP-8
          		

          9600
          		

          原裝現(xiàn)貨,優(yōu)勢供應(yīng),支持實單!
          		
詢價
          

          



          ON(安森美)
          		

          23+
          		

          		

          14429
          		

          公司只做原裝正品,假一賠十
          		
詢價
          

          



          ON
          		

          2024+
          		

          N/A
          		

          70000
          		

          柒號只做原裝 現(xiàn)貨價秒殺全網(wǎng)
          		
詢價
          

          



          ON
          		

          25+
          		

          DIP SMD
          		

          6500
          		

          十七年專營原裝現(xiàn)貨一手貨源,樣品免費送
          		
詢價
          

          



          ST(意法)
          		

          25+
          		

          N/A
          		

          21000
          		

          原裝正品現(xiàn)貨,原廠訂貨,可支持含稅原型號開票。
          		
詢價
          

            
          
        
          
        
          更多UC3845供應(yīng)商
            更新時間2026-1-18 14:35:00
        
          
        
          
          
          
            
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