LY推出高性能LY4058是一款具有涓流，恒流，恒压充电模式的锂电池充电控制芯片，可以分别给单节（4.2V/4.34V）锂电池或双节（8.4V/8.7V）锂电池进行快速高效地充电。Integrated 80mΩ Power MOSFET ? 2V to 24V Input Voltage 
? 1.2MHz Fixed Switching Frequency ? Internal 4A Switch Current Limit ? Adjustable Output Voltage ? Internal Compensation ? Up to 28V Output Voltage 
? Automatic Pulse Frequency Modulation  Mode at Light Loads ? up to 97% Efficiency 
? Available in a 6-Pin SOT23-6 Package 
 
APPLICATIONS 
? Battery-Powered Equipment ? Set-Top Boxed ? LCD Bais Supply 
? DSL and Cable Modems and Routers ? Networking cards powered from PCI  or PCI express slots     
TYPICAL APPLICATION 
 
LY推出高性能LY4058是一款具有涓流，恒流，恒压充电模式的锂电池充电控制芯片，可以分别给单节（4.2V/4.34V）锂电池或双节（8.4V/8.7V）锂电池进行快速高效地充电。Integrated 80mΩ Power MOSFET ? 2V to 24V Input Voltage 
? 1.2MHz Fixed Switching Frequency ? Internal 4A Switch Current Limit ? Adjustable Output Voltage ? Internal Compensation ? Up to 28V Output Voltage 
? Automatic Pulse Frequency Modulation  Mode at Light Loads ? up to 97% Efficiency 
? Available in a 6-Pin SOT23-6 Package 
 
APPLICATIONS 
? Battery-Powered Equipment ? Set-Top Boxed ? LCD Bais Supply 
? DSL and Cable Modems and Routers ? Networking cards powered from PCI  or PCI express slots     
TYPICAL APPLICATION 
 LY推出高性能LY4058是一款具有涓流，恒流，恒压充电模式的锂电池充电控制芯片，可以分别给单节（4.2V/4.34V）锂电池或双节（8.4V/8.7V）锂电池进行快速高效地充电。Integrated 80mΩ Power MOSFET ? 2V to 24V Input Voltage 
? 1.2MHz Fixed Switching Frequency ? Internal 4A Switch Current Limit ? Adjustable Output Voltage ? Internal Compensation ? Up to 28V Output Voltage 
? Automatic Pulse Frequency Modulation  Mode at Light Loads ? up to 97% Efficiency 
? Available in a 6-Pin SOT23-6 Package 
 
APPLICATIONS 
? Battery-Powered Equipment ? Set-Top Boxed ? LCD Bais Supply 
? DSL and Cable Modems and Routers ? Networking cards powered from PCI  or PCI express slots     
TYPICAL APPLICATION 
 
线性单节锂电充电池芯片IC 线性单节锂电充电池芯片IC 线性单节锂电充电池芯片IC 线性单节锂电充电池芯片IC