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          首頁
                >L4972>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
          
                    
          L4972
          2A SWITCHINGREGULATOR
          
Description
The L4972A is a stepdown monolithic power switching regulator delivering 2A at a voltage variable from 5.1 to 40V.
   
Features
■ 2A OUTPUT CURRENT
■ 5.1V TO 40V OUTPUT VOLTAGE RANGE
■ 0 TO 90 DUTY CYCLE RANGE
■ INTERNAL FEED-FORWARD LINE REG.
■ INTERNAL CURRENT LIMITING
■ PRE
          文件：339 Kbytes 頁數(shù)：23 Pages
          STMICROELECTRONICS
          意法半導體
          

          L4972
          2 A SWITCHING REGULATOR
           ? PWM LATCH FOR SINGLE PULSE PER PERIOD\n? UNDER VOLTAGE LOCK OUT WITH HYSTERETIC TURN-ON\n? SWITCHING FREQUENCY UP TO 200KHz\n? VERY HIGH EFFICIENCY\n? CONTINUOUS MODE OPERATION\n? THERMAL SHUTDOWN\n? RESET AND POWER FAIL FUNCTIONS? PRECISE 5.1V ± 2% ON CHIP REFERENCE\n? 2A OUTPUT CURRENT\n? 0 ;
          ST
          意法半導體
          

          L4972A
          2A SWITCHINGREGULATOR
          
Description
The L4972A is a stepdown monolithic power switching regulator delivering 2A at a voltage variable from 5.1 to 40V.
   
Features
■ 2A OUTPUT CURRENT
■ 5.1V TO 40V OUTPUT VOLTAGE RANGE
■ 0 TO 90 DUTY CYCLE RANGE
■ INTERNAL FEED-FORWARD LINE REG.
■ INTERNAL CURRENT LIMITING
■ PRE
          文件：339 Kbytes 頁數(shù)：23 Pages
          STMICROELECTRONICS
          意法半導體
          

          L4972AD
          2A SWITCHINGREGULATOR
          
Description
The L4972A is a stepdown monolithic power switching regulator delivering 2A at a voltage variable from 5.1 to 40V.
   
Features
■ 2A OUTPUT CURRENT
■ 5.1V TO 40V OUTPUT VOLTAGE RANGE
■ 0 TO 90 DUTY CYCLE RANGE
■ INTERNAL FEED-FORWARD LINE REG.
■ INTERNAL CURRENT LIMITING
■ PRE
          文件：339 Kbytes 頁數(shù)：23 Pages
          STMICROELECTRONICS
          意法半導體
          

          L4972A
          2A SWITCHING REGULATOR
          文件：1.37447 Mbytes 頁數(shù)：22 Pages
          STMICROELECTRONICS
          意法半導體
          

          L4972A_05
          2A SWITCHING REGULATOR
          文件：1.37447 Mbytes 頁數(shù)：22 Pages
          STMICROELECTRONICS
          意法半導體
          

          L4972AD
          2A SWITCHING REGULATOR
          文件：1.37447 Mbytes 頁數(shù)：22 Pages
          STMICROELECTRONICS
          意法半導體
          

          L4972AD013TR
          2A SWITCHING REGULATOR
          文件：1.37447 Mbytes 頁數(shù)：22 Pages
          STMICROELECTRONICS
          意法半導體
          

          LME49721MA/NOPB
          絲?。?a target="_blank" title="Marking" href="/l49721ma/marking.html">L49721MA；Package：SOIC；LME49721 High-Performance, High-Fidelity Rail-to-Rail Input/Output Audio Operational Amplifier
          
1FEATURES
2? Rail-to-Rail Input and Output
? Easily Drives 10kΩ Loads to Within 10mV of
Each Power Supply Voltage
? Optimized for Superior Audio Signal Fidelity
? Output Short Circuit Protection

APPLICATIONS
? Ultra High-Quality Portable Audio
Amplification
? High-Fidelity Preamplifiers
          文件：824.89 Kbytes 頁數(shù)：33 Pages
          TI
          德州儀器
          

          LME49721MA/NOPB.A
          絲印：L49721MA；Package：SOIC；LME49721 High-Performance, High-Fidelity Rail-to-Rail Input/Output Audio Operational Amplifier
          
1FEATURES
2? Rail-to-Rail Input and Output
? Easily Drives 10kΩ Loads to Within 10mV of
Each Power Supply Voltage
? Optimized for Superior Audio Signal Fidelity
? Output Short Circuit Protection

APPLICATIONS
? Ultra High-Quality Portable Audio
Amplification
? High-Fidelity Preamplifiers
          文件：824.89 Kbytes 頁數(shù)：33 Pages
          TI
          德州儀器
          

          
            
          
		
        
          
            
          
                
          技術參數(shù)
          
            
          
            
            
            	
          • Marketing Status：
            Active
          • Package：
            PDIP 20
          • Grade：
            Industrial
          • Input Voltage_min(V)：
            15
          • Input Voltage_max(V)：
            50
          • Regulated Output Voltage_min(V)：
            5.1
          • Regulated Output Voltage_max(V)：
            40
          • Output Current-Max_nom(A)：
            2
          • Synchronous rectification：
            No
          • Quiescent current_typ(mA)：
            13
          • Inhibit Pin：
            false
          • Soft-start：
            No
          • Oscillator Switching frequency_min(Internal)(kHz)：
            100
          • Oscillator Switching frequency_max(Internal)(kHz)：
            200
          
            
          
        
          
            
          供應商型號品牌批號封裝庫存備注價格
          
                
          



          ST
          		

          22+
          		

          DIP20
          		

          5000
          		

          原裝現(xiàn)貨庫存.價格優(yōu)勢!!
          		
詢價
          

          



          ST
          		

          25+
          		

          DIP
          		

          90000
          		

          一級代理商進口原裝現(xiàn)貨、假一罰十價格合理
          		
詢價
          

          



          ST
          		

          23+
          		

          SO-16-7.2
          		

          38000
          		

          正品原裝貨價格低
          		
詢價
          

          



          ST/意法
          		

          25+
          		

          DIP20
          		

          795
          		

          全新原裝正品支持含稅
          		
詢價
          

          



          STM
          		

          09+
          		

          SOP-20
          		

          2247
          		

          只售全新原裝貨真實實數(shù)現(xiàn)貨放心
          		
詢價
          

          



          ST
          		

          23+
          		

          SOIC20
          		

          5000
          		

          原裝正品,假一罰十
          		
詢價
          

          



          ST
          		

          10+
          		

          DIP-18
          		

          7800
          		

          全新原裝正品,現(xiàn)貨銷售
          		
詢價
          

          



          ANALOG
          		

          1000
          		

          STM
          		

          1000
          		

          		
詢價
          

          



          ST
          		

          25+
          		

          SOIC20
          		

          18000
          		

          原廠直接發(fā)貨進口原裝
          		
詢價
          

          



          ST
          		

          2016+
          		

          DIP20
          		

          3343
          		

          只做原裝,假一罰十,公司可開17%增值稅發(fā)票!
          		
詢價
          

            
          
        
          
        
          更多L4972供應商
            更新時間2026-1-20 16:10:00
        
          
        
          
          
          
            
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