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          首頁
                >LP8557>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
          
                    
          LP8557
          LP8557 High-Efficiency LED Backlight Driver For Tablets
          
1 Features
1? High-Efficiency DC-DC Boost Converter With 28-V
Integrated Power MOSFET
? 2.7-V to 5.5-V VDD Range for Supporting Single-
Cell Li-Ion Battery Applications
? Six 25-mA High-Precision LED Current Sinks
? Adaptive Boost Voltage and LED Current Sink
Headroom Controls for Maximum S
          文件：1.22001 Mbytes 頁數：49 Pages
          TI
          德州儀器
          

          LP8557
          High-Efficiency LED Backlight Driver For Tablets
          文件：1.66426 Mbytes 頁數：49 Pages
          TI
          德州儀器
          

          LP8557
          適用于平板電腦的高效 LED 背光驅動器
          The LP8557 and LP8557I are high-efficiency LED drivers each featuring an integrated DC-DC inductive boost converter and six high-precision current sinks. LP8557 is intended for applications that exclusively use a pulse width modulated (PWM) signal for controlling the brightness while LP8557I is inte  ? High-Efficiency DC-DC Boost Converter With 28-V Integrated Power MOSFET\n? 2.7-V to 5.5-V VDD Range for Supporting Single-Cell Li-Ion Battery Applications\n? Six 25-mA High-Precision LED Current Sinks\n? Adaptive Boost Voltage and LED Current Sink Headroom Controls for Maximum System Efficiency\n?;
          TI
          德州儀器
          

          LP85571
          LP8557 High-Efficiency LED Backlight Driver For Tablets
          
1 Features
1? High-Efficiency DC-DC Boost Converter With 28-V
Integrated Power MOSFET
? 2.7-V to 5.5-V VDD Range for Supporting Single-
Cell Li-Ion Battery Applications
? Six 25-mA High-Precision LED Current Sinks
? Adaptive Boost Voltage and LED Current Sink
Headroom Controls for Maximum S
          文件：1.22001 Mbytes 頁數：49 Pages
          TI
          德州儀器
          

          LP8557AYFQR
          絲?。?a target="_blank" title="Marking" href="/d40/marking.html">D40；Package：DSBGA；LP8557 High-Efficiency LED Backlight Driver For Tablets
          
1 Features
1? High-Efficiency DC-DC Boost Converter With 28-V
Integrated Power MOSFET
? 2.7-V to 5.5-V VDD Range for Supporting Single-
Cell Li-Ion Battery Applications
? Six 25-mA High-Precision LED Current Sinks
? Adaptive Boost Voltage and LED Current Sink
Headroom Controls for Maximum S
          文件：1.22001 Mbytes 頁數：49 Pages
          TI
          德州儀器
          

          LP8557AYFQR.A
          絲印：D40；Package：DSBGA；LP8557 High-Efficiency LED Backlight Driver For Tablets
          
1 Features
1? High-Efficiency DC-DC Boost Converter With 28-V
Integrated Power MOSFET
? 2.7-V to 5.5-V VDD Range for Supporting Single-
Cell Li-Ion Battery Applications
? Six 25-mA High-Precision LED Current Sinks
? Adaptive Boost Voltage and LED Current Sink
Headroom Controls for Maximum S
          文件：1.22001 Mbytes 頁數：49 Pages
          TI
          德州儀器
          

          LP8557AYFQR.B
          絲?。?a target="_blank" title="Marking" href="/d40/marking.html">D40；Package：DSBGA；LP8557 High-Efficiency LED Backlight Driver For Tablets
          
1 Features
1? High-Efficiency DC-DC Boost Converter With 28-V
Integrated Power MOSFET
? 2.7-V to 5.5-V VDD Range for Supporting Single-
Cell Li-Ion Battery Applications
? Six 25-mA High-Precision LED Current Sinks
? Adaptive Boost Voltage and LED Current Sink
Headroom Controls for Maximum S
          文件：1.22001 Mbytes 頁數：49 Pages
          TI
          德州儀器
          

          LP8557AYFQT
          絲?。?a target="_blank" title="Marking" href="/d40/marking.html">D40；Package：DSBGA；LP8557 High-Efficiency LED Backlight Driver For Tablets
          
1 Features
1? High-Efficiency DC-DC Boost Converter With 28-V
Integrated Power MOSFET
? 2.7-V to 5.5-V VDD Range for Supporting Single-
Cell Li-Ion Battery Applications
? Six 25-mA High-Precision LED Current Sinks
? Adaptive Boost Voltage and LED Current Sink
Headroom Controls for Maximum S
          文件：1.22001 Mbytes 頁數：49 Pages
          TI
          德州儀器
          

          LP8557AYFQT.A
          絲?。?a target="_blank" title="Marking" href="/d40/marking.html">D40；Package：DSBGA；LP8557 High-Efficiency LED Backlight Driver For Tablets
          
1 Features
1? High-Efficiency DC-DC Boost Converter With 28-V
Integrated Power MOSFET
? 2.7-V to 5.5-V VDD Range for Supporting Single-
Cell Li-Ion Battery Applications
? Six 25-mA High-Precision LED Current Sinks
? Adaptive Boost Voltage and LED Current Sink
Headroom Controls for Maximum S
          文件：1.22001 Mbytes 頁數：49 Pages
          TI
          德州儀器
          

          LP8557AYFQT.B
          絲?。?a target="_blank" title="Marking" href="/d40/marking.html">D40；Package：DSBGA；LP8557 High-Efficiency LED Backlight Driver For Tablets
          
1 Features
1? High-Efficiency DC-DC Boost Converter With 28-V
Integrated Power MOSFET
? 2.7-V to 5.5-V VDD Range for Supporting Single-
Cell Li-Ion Battery Applications
? Six 25-mA High-Precision LED Current Sinks
? Adaptive Boost Voltage and LED Current Sink
Headroom Controls for Maximum S
          文件：1.22001 Mbytes 頁數：49 Pages
          TI
          德州儀器
          

          
            
          
		
        
          
            
          
                
          技術參數
          
            
          
            
            
            	
          • Vin (Min) (V)：
            2.7
          • Vin (Max) (V)：
            5.5
          • Vout (Min) (V)：
            7
          • Vout (Max) (V)：
            28
          • Type：
            Inductive
          • Switching frequency (Max) (kHz)：
            1000
          • LED current per channel (mA)：
            25
          • Peak efficiency (%)：
            93
          • Topology：
            Boost
          • Features：
            CABC
          • Operating temperature range (C)：
            -30 to 85
          
            
          
        
          
            
          供應商型號品牌批號封裝庫存備注價格
          
                
          



          TI德州儀器
          		

          22+
          		

          		

          24000
          		

          原裝正品現貨,實單可談,量大價優(yōu)
          		
詢價
          

          



          TI/德州
          		

          2018+
          		

          DSBGA
          		

          32500
          		

          德州代理承諾銷售原裝正品公司可開正規(guī)17%增值稅票
          		
詢價
          

          



          TI
          		

          25+
          		

          DSBGA-1
          		

          225
          		

          百分百原裝正品 真實公司現貨庫存 本公司只做原裝 可
          		
詢價
          

          



          TI
          		

          23+
          		

          BGA
          		

          8560
          		

          受權代理!全新原裝現貨特價熱賣!
          		
詢價
          

          



          TI
          		

          三年內
          		

          		

          1983
          		

          只做原裝正品
          		
詢價
          

          



          TI
          		

          16+
          		

          DSBGA
          		

          10000
          		

          原裝正品
          		
詢價
          

          



          TI
          		

          24+
          		

          16-DSBGA
          		

          66800
          		

          原廠授權一級代理,專注汽車、醫(yī)療、工業(yè)、新能源！
          		
詢價
          

          



          原裝
          		

          20+
          		

          原裝
          		

          56200
          		

          原裝優(yōu)勢主營型號-可開原型號增稅票
          		
詢價
          

          



          TI/德州儀器
          		

          24+
          		

          DSBGA-16
          		

          15050
          		

          原廠支持公司優(yōu)勢現貨
          		
詢價
          

          



          Texas Instruments
          		

          21+
          		

          783-FCPBGA(29x29)
          		

          5860
          		

          進口原裝!長期供應!絕對優(yōu)勢價格(誠信經營
          		
詢價
          

            
          
        
          
        
          更多LP8557供應商
            更新時間2026-1-20 8:01:00
        
          
        
          
          
          
            
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