Gavl021, gavl281, AC220V to 5v200ma small volume non isolated chip scheme

AC220V turn 5V200MA Small volume non isolated chip scheme ,AH8652 The silk screen code is GAVL031、GAVL073、GAVL061、GAVL021、GAVL281、GAVH39 Silk screen 、GAVH51 Silk screen 、GAVH182  、GAVH262   Silk screen 10H10、10H48、TT119、10H38 A series of production codes ,220V drop 5V200MA_MCU Power supply chip IC,220V turn 5V Module power supply IC,220V turn 5VMCU Power supply IC,220V turn 5V, Non isolated power scheme ,220V turn 5V Small volume application scheme , Low cost 220V turn 5V programme ,220V turn 5VMCU Module power supply TT119 It is a non isolated power chip with a wide range of applications . It's a non isolated 、 High integration and low cost PWM Power switch , It is suitable for step-down and step-down circuits .AH8652 High pressure single wafer process is adopted , Integrated on the same wafer 500V High pressure MOSFET And a controller controlled by switching peak current mode . High accuracy can be ensured in the range of full voltage input 5V Default output . Inside the chip , The oscillator frequency is fixed to 31kHz With frequency buffeting function , Under the condition of ensuring the output power EMI effect . meanwhile , The chip design has light and heavy load mode , You can easily get less than 50mW Standby power consumption of .AH8652 Integrated with complete protection function :VDD Under voltage protection 、 Cycle by cycle current limit 、 Overheating protection 、 Overload protection and short circuit protection .

characteristic ：

1、 Switched peak current mode control ;
2、 Support step-down and voltage rise and fall circuits , It can provide positive or negative pressure output ;
3、 Default 5V Output , precision ±2%;
4、 Complete protection function , A short circuit (SLP)、 overload (OLP)、 Cycle by cycle current limit (OCP)、 Overheated (OTP)、 Undervoltage (UVLO)、 Soft start (SS)、 Leading edge blanking (LEB);
5、 Internal integration 700V High pressure MOSFET And high voltage starting circuit , Wide input voltage 85~265V AC;
6、 Standby power consumption is less than 50mW, Pass level 6 energy efficiency standard ;
7、 Ultra low operating current , Support small VDD Electrolytic capacitor ;
8、 Integrate 31KHz Oscillator with frequency buffeting function , Optimize EMC effect ;
9、 Ultra low system cost ;

application ：

1、 Small household appliance control board power supply

2、 Air conditioning controller power supply bureau

3、 Electrical controller power supply

4、 Other non isolated high voltage step-down power supply applications

5、MCU,WFI Module power supply  

GAVL021,GAVL281,AC220V turn 5V200MA Small volume non isolated chip scheme ,AH8652 Application description characteristics and application methods . It is suitable for step-down and step-down circuits .AH8652 High pressure single wafer process is adopted , Integrated on the same wafer 500V High pressure MOSFET And a controller controlled by switching peak current mode . High accuracy can be ensured in the range of full voltage input 5V Default output .