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          返回 2014-10-08
          
	    
          臺灣茂達新推產(chǎn)品APW7262
          

	  
          
	      
           
          
			
          
									
          • APW7262 : 3MHz Synchronous Switch-Mode Battery Charger with USB Compliance/USB-OTG Boost Regulator
          • Feature
            · Charge Faster Than Linear Charger
            · 3MHz with 0% to 99.5% Duty Cycle Synchronous Switch-Mode Charger with 1.5A Integrated 
              N-MOSFETs
            · 4V-6V Input Operating Range
            · 20V Absolute Maximum Input Voltage
            · Safety
               -Reverse leakage protection to prevent battery drainage
               -Thermal regulation and protection
               -Input/output over-voltage protection
               -Cycle-by-cycle current limit
            · Accuracy
               -+1% charge voltage regulation (0 to 85oC)
               -+5% charge current regulation
               -+5% input current regulation (100mA and 500mA)
            · Built-In Input Current Sensing and Limiting
            · Automatic Charging
            · Programmable Through High-Speed I2C Interface(3.4Mb/s)
               -Input Current Limit
               -Fast-Charge and Termination Current
               -Charge Regulation Voltage
               -Weak Battery Voltage Threshold
               -VIN DPM Threshold
               -Termination Enable/Disable
               -OTG Enable/Disable
               -Reset All Parameter Control
               -Safety Timer with Reset Control
            · 5V, 500mA Boost Mode for USB OTG for 2.5V to 4.5V Battery Input
            · Available in 1.7mmx2.1mm WLCSP-20 and TQFN4x4-20A Packages
            Application
            · Cell Phones, Smart Phones and PDAs
            · Tablet PC
            · Portable Media Players, Handheld Device