MCU
     CMOS LDO Linear Regulator
     Dual LDO Linear Regulator
     Bipolar LDO Linear Regulator
     Step-Up DC/DC Converter
     Step-Down DC/DC Converter
     Linear Constant LED Driver
     Charger Pump
     LED Backlight Driver
     LED Screen Driver
     Audio AMPLIFIER
     AC/DC Converter
     AC/DC Converter Supply
     Voltage detector/Reset IC
     Li-ion Battery Charger
     MOSFET
     MOSFET for LED Screen & BJT
ME8304

LOW-Power Off-line Primary Side Regulation Controller ME8304
Descriptionú║
The ME8304 is a high performance AC/DC power supply controller for battery charger and adapter applications. The device uses Pulse Frequency Modulation(PFM) method to build discontinuous conduction mode (DCM) flyback power supplies.
The ME8304 provides accurate constant voltage, constant current (CV/CC) regulation while removing the opto-coupler and secondary control circuitry. It also eliminates the need of loop compensation circuitry while maintaining stability. The ME8304 achieves excellent regulation and high average efficiency, yet meets the requirement for no-load consumption less than 30mW.
Featuresú║
í˝Primary Side Control for Rectangular Constant Current and Constant Voltage Output
í˝Sub-microampere Start-up Current
í˝30mW No-load Input Power Feasible
í˝Tight CV Regulation Performance
í˝Eliminates Opto-coupler and Secondary CV/CC Control Circuitry
í˝Eliminates Control Loop Compensation Circuitry
í˝Flyback Topology in DCM Operation
í˝Random Frequency Modulation to Reduce System EMI
í˝Built-in Soft Start
í˝Open Feedback Protection
í˝Short Circuit Protection
í˝SOT23-5 Package
Applicationsú║
í˝Adapters/Chargers for Cell/Cordless Phones, PDAs, MP3 and Other Portable Apparatus
í˝LED Drivers
í˝Standby and Auxiliary Power Supplies
Nanjing Micro One Electronics Inc. 5th Floor,Building No.1, No.699-8 Xuanwu Road, Xuzhuang software Park,Nanjing
Tel:86-25-84731186    Fax:86-25-84731136 ╦ŇICP▒Ş12033088║┼